background image

Page | 23 
 

4.3 

How to Test for Good Ground  

 
In order to test ground resistance, a Ground Resistance Tester must be used. A typical Ground 
Resistance Meter Kit contains a meter, two or three wire leads, and two ground rods. Instructions 
are supplied for either a two-point or a three-point ground test.  
 
 
 
 
 
 
 
 

 

 

 

 
 
 
 
 
 
 
 
 
 

 

Figure 4.1 

 Two-Point Ground Connection Test 

 

METAL WATER PIPE OR
OTHER GOOD GROUND

GROUND ROD

GROUND
DISCONNECTED
FROM SERVICE

GROUND RESISTANCE METER

Summary of Contents for i3C Lite

Page 1: ......

Page 2: ...ion of IMO All software described in this document or media is also copyrighted material subject to the terms and conditions of the IMO Software License Agreement Information in this document is subject to change without notice and does not represent a commitment on the part of IMO Ethernet is a trademark of Xerox Corporation microSD and CompactFlash are registered trademarks of SanDisk Corporatio...

Page 3: ...OUNDARIES OF THE CONTINENTAL UNITED STATES In no event whether as a result of breach of contract warranty tort including negligence or otherwise shall IMO or its suppliers be liable of any special consequential incidental or penal damages including but not limited to loss of profit or revenues loss of use of the products or any associated equipment damage to associated equipment cost of capital co...

Page 4: ...lip Locations 17 3 4 Mounting Orientation 17 3 5 Panel Cutout 18 3 6 Factors Affecting Panel Layout Design and Clearances 19 3 7 Clearance Adequate Space 19 3 8 Grounding 19 3 9 Temperature Ventilation 20 3 10 Noise 20 3 11 Shock and Vibration 20 3 12 Panel Layout Design and Clearance Checklist 21 CHAPTER 4 ELECTRICAL INSTALLATION 22 4 1 Grounding Definition 22 4 2 Ground Specifications 22 4 3 How...

Page 5: ...AND ADJUSTMENTS 45 9 1 System Menu Overview 45 9 2 System Menu Navigation and Editing 47 9 3 System Settings Details 48 9 4 Touch Screen Calibration 64 CHAPTER 10 REMOVABLE MEDIA 66 10 1 Overview 66 10 2 microSD Cards 66 10 3 microSD File System 67 10 4 Using the Removable Media Manager 67 10 5 Using Removable Media to Log Data 68 10 6 Using Removable Media to Load and Save Applications 68 10 7 Us...

Page 6: ...Numeric keypad 102 13 4 Screen Navigation 105 13 5 Ladder Based Screen Navigation 106 13 6 Touch Slip Sensitivity 107 13 7 Alarms 108 13 8 Removable Media 111 13 9 Screen Saver 113 13 10 Screen Brightness 113 CHAPTER 14 REGISTERS 114 14 1 Register Definitions 114 14 2 Useful S and SR registers 114 14 3 Register Map for i C Lite I O 118 14 4 Resource Limits 119 CHAPTER 15 i CONFIG CONFIGURATION 120...

Page 7: ...3 Modbus Master Overview 159 19 4 Opening I Config Help File 160 19 5 Modbus Addressing Table for i C Lite Units 161 CHAPTER 20 TROUBLESHOOTING TECHNICAL SUPPORT 162 20 1 Connecting to the i C Lite 162 20 2 Connecting Troubleshooting Checklist serial port MJ1 Programming 163 20 3 Connecting Troubleshooting Checklist USB Port Mini B Programming 163 20 4 Connecting Troubleshooting Checklist ETN port...

Page 8: ...Page 8 ...

Page 9: ...nst risk of fire and shock hazards WARNING In the event of repeated failure do not replace the fuse again as a repeated failure indicates a defective condition that will not clear by replacing the fuse WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class I Division 2 WARNING The USB parts are for operational maintenance only Do not leave permanently connected unless...

Page 10: ...ctice and local codes e Wear proper personal protective equipment including safety glasses and insulated gloves when making connections to power circuits f Ensure hands shoes and floors are dry before making any connection to a power line g Make sure the unit is turned OFF before making connection to terminals Make sure all circuits are de energized before making connections h Before each use insp...

Page 11: ...1 CHAPTER 2 INTRODUCTION 2 1 Visual Overview of i C Lite Touch Screen Press upper right corner to bring out the function keys and SYSTEM key to access the Main Menu Figure 2 1 Visual Overview of the i C Lite ...

Page 12: ...ion b User Manual This manual provides general information that is common to i C Lite models and can be downloaded from our website Visit the IMO website to obtain user documentation and updates IMO Precision Controls Ltd http www imopc com 2 3 Four Main Types of Information are covered in this Manual a Safety and Installation guidelines instructions Mechanical and Electrical b Descriptions of har...

Page 13: ...devices that can be used with the i C Lite Figure 2 2 Visual Overview of i C Lite Connectivity CAN Serial I O i C Lite Other i Devices Drives PLCs Bar Code Readers SCADAs OPC Servers Serial I O Sensors Indicators Alarms Encoders Pumps Relays Solenoids Other i Devices Smart I O IOS I O Smart I O CAN USB i Config Ethernet i Config OPC Server Modbus TCP Devices ...

Page 14: ...string handling capabilities Intuitive interface Removable media for storage of programs data logging or screen captures iCAN networking port for communication with remote I O other controllers or PCs i Config programming software that allows all aspects of the i C Lite to be programmed and configured from one integrated application Fail Safe System which allows an application to continue running ...

Page 15: ...Page 15 2 8 Accessories Please visit the IMO Control Accessories website for communication programming and I O accessories IMO Precision Controls Ltd https www imopc com products 97660000 ...

Page 16: ... enough room at the top of the unit for insertaion Remove the microSD card to prevent damage to the panel edge 2 Carefully cut the host panel per the measurements found in the datasheet 3 Dimensions can also be found below in Section 3 5 If the opening is too large water may leak into the enclosure potentially damaging the unit If the opening is too small the I may not fit through the hole without...

Page 17: ...ations Figure 3 1 i C Lite with Mounting Clip Location 3 4 Mounting Orientation Figure 3 2 Orientation of i C Lite NOTE For panel mounting The orientation shown provides for optimum readability screen and ease of use of the keypad ...

Page 18: ...Page 18 3 5 Panel Cutout For installations requiring NEMA 4X liquid and dust protection the panel cutout should be cut with a tolerance of 0 005 0 1mm Figure 3 4 i C Lite Dimensions ...

Page 19: ...device if more than one device is installed in panel box or on door 4 between bases of each device 101 60mm Minimum Distance between device and closed door when door is closed Be sure to allow enough depth for the I 2 50 80mm 3 8 Grounding Panel Box The panel box needs to be properly connected to earth ground to provide a good common ground reference Panel Door Tie a low impedance ground strap bet...

Page 20: ...anel box or on the panel door 3 10 Noise Consider the impact on the panel layout design and clearance requirements if noise suppression devices are needed Be sure to maintain an adequate distance between the i C Lite and noisy devices such as relays motor starters etc 3 11 Shock and Vibration The i C Lite has been designed to operate in typical industrial environments that may inflict some shock a...

Page 21: ...m clearance requirements met Can the panel door be easily opened and closed Is there adequate space between device bases as well as the sides of the panel and wiring ducts ____Is the panel box deep enough to accommodate the i C Lite ____Is there adequate ventilation Is the ambient temperature range maintained Are cooling or heating devices required ____Are noise suppression devices or isolation tr...

Page 22: ...protect an application from harmful interference causing either physical damage such as by lightning or voltage transients or from circuit disruption often caused by radio frequency interference RFI 4 2 Ground Specifications Ideally a ground resistance measurement from equipment to earth ground is 0Ω In reality it typically is higher The U S National Electrical Code NEC states the resistance to gr...

Page 23: ...ical Ground Resistance Meter Kit contains a meter two or three wire leads and two ground rods Instructions are supplied for either a two point or a three point ground test Figure 4 1 Two Point Ground Connection Test METAL WATER PIPE OR OTHER GOOD GROUND GROUND ROD GROUND DISCONNECTED FROM SERVICE GROUND RESISTANCE METER ...

Page 24: ...round Frame Ground Figure 4 2 Power Connector Primary Power Port Figure 4 3 Primary Power Port as Viewed Looking at the i C Lite DC INPUT FRAME Solid Standard wire 12 24 awg 2 05 0 511mm or 3 31 205mm2 Strip length 0 28 7 mm Torque rating 4 5 7 in lbs 0 50 0 78 N m DC is internally connected to I O A Class 2 power supply must be used 24VDC supply 20 ...

Page 25: ...on using a variety of standard data exchange protocols 5 2 Port Descriptions The MJ1 serial port contains a RS 232 interface with RTS CTS handshaking The MJ2 serial port contains half duplex RS 485 interface with no handshaking The MJ2 RS 485 interface provides switchable termination and bias resistors internally 5 3 Wiring MJ1 MJ2 Serial Ports Table 5 1 MJ1 MJ2 Serial Ports Pin MJ1 Pins MJ2 Pins ...

Page 26: ... should not be used but a physical external termination resistor should be used instead Biasing RS485 biasing passively asserts a line idle state when no device is actively transmitting which is useful for multi drop RS485 networking The MJ2 serial port allows internal bias resistor to be activated by software control pulling pin 1 up to 3 3V and pulling pin 2 down to ground NOTE If biasing is use...

Page 27: ...al Communication Using Serial Communication function blocks both MJ1 and MJ2 support Generic Modbus Master and Modbus Slave Protocols In addition external modems can be connected and accessed using Init Dial and Answer Modem function blocks 5 7 Configuration via Mini B USB NOTE The unit must be connected via the mini USB port to the PC or laptop It is possible to load the program and monitor data ...

Page 28: ...rmation refer to the CAN Networks manual on the website 6 1 Overview The i C Lite provides a CAN networking port which is implemented with an 8 position RJ 45 modular jack The connector is labeled CAN and is red CAN Connector on the i C Lite Figure 6 1 CAN Connector ...

Page 29: ...twork If the PC COM port is connected to the i C Lite programming port then the i C Lite can act as a pass through gateway allowing i Config to access all i C Lite and IMO controllers that are attached to the CAN network 6 4 Ladder Controlled CAN Communication Using Put and Get Network Words function blocks the CAN port can exchange digital and analog global data with other i C Lite or IMO control...

Page 30: ... Termination and Bias If there is a controller to controller communication on a network and an i C Lite will be at either end then it is recommended that onboard electronic termination NOT be used Physical external resistors should be used instead In this case utilizing RJ45 to open style connector will make termination easier NOTE SR152 enables CAN port termination NOTE When powered down the bias...

Page 31: ...thernet IP Server ODVA CIP over Ethernet FTP Server File Transfer Protocol ASCII over TCP IP Server ASCII Data over Ethernet 7 2 Ethernet System Requirements Full Ethernet functionality requires PC running i Config Programming Software Version 9 8 or later for configuration i C Lite controller with onboard Ethernet port 7 3 Ethernet Module Specifications Table 7 2 Ethernet Module Specifications Sp...

Page 32: ...To configure the Ethernet Module use i Config Programming Software to perform the following steps 1 On the main i Config screen select the Controller menu and its Hardware Configuration sub menu to open the Hardware Configuration dialog Figure 8 1 2 If configuring a different i Model than the one shown in the Hardware Configuration dialog click on the topmost Config button select the desired i Mod...

Page 33: ...ays separated by decimal points Net Mask Enter the Net Mask sometimes called Subnet Mask being used by all nodes on the local network Typical local networks use Class C IP Addresses in which case the low octet rightmost number is used to uniquely identify each node on the local network In this case the default Net Mask value of 255 255 255 0 should be used Gateway Enter the IP Address of a Gateway...

Page 34: ...ve Tx Transmit State 0 Inactive 1 Active Link Link State 0 Down 1 Up TCP Connections Total Number of Active TCP Connections ICAN Modbus EIP FTP 0 40 Version Register Enter an i Register reference such as R101 to indicate which 16 bit I register will have the Ethernet Firmware Version written to it The value stored in the Version Register is Ethernet Firmware Version 100 For example for Ethernet Fi...

Page 35: ...stem Menu Set Networks is not retained through a power cycle After power cycle the unit reverts to the last downloaded I Config LAN Config that was loaded into non volatile RAM at power down I Config LAN Config Get Settings from Register When Get settings from is set to Register the IP parameters are retrieved from the I registers assigned in LAN Config Configured registers must be populated with ...

Page 36: ...nsfer size and rate of the target device s This is configured under the Network Config menu which contains port specific information such as the basic serial port parameters i e baud rate stop bits parity retries etc In addition to the serial port parameters this menu also contains the transaction scan update control configuration and any network level protocol specific configuration Once the netw...

Page 37: ...s transaction scanning can be on a continual basis automatic or controlled from ladder logic manual once a complex connection is programmatically created i e dialup modem The specific transaction scanning mode is selected from the Network Config menu Please refer to the i Config Help file for more information on Downloadable Protocols Configuration After opening the i Config Help file select Conte...

Page 38: ...rotocol device drivers that can be selected Once a protocol is selected the Network Devices and Data Scan List must be configured through corresponding dialogs accessible through the respective buttons Network Device and Scan List NOTE If the MJ1 port is to be used in the Protocol Config it will no longer be available for i Config programming unless the controller is put into IDLE mode Figure 8 1 ...

Page 39: ...n Network Configuration provides the required parameters to configure the network Each protocol is different and may not require all the Network Config field Please refer to the table below for the options in the Network Config field ...

Page 40: ...ed on a failed response Timeout Specifies the amount of time for a device to wait for a valid response Update Scan Automatic Update Interval Specifies the update interval at which all the mapped entries are executed Reacquire Time Specifies the amount of time to wait before attempting communications with an offline device Manual Trigger Specifies the binary register that a single transaction scan ...

Page 41: ...provides a list of the configured devices on the Network Devices must be created and exist in this list before corresponding Scan List entries can be created for this device Typically the number of entries is limited to 64 devices Device Configuration This configuration is reached from the Device List when adding or modifying an existing device ...

Page 42: ... contains the source and destination registers the number of consecutive registers transferred the direction of the transfer and what triggers the transfer Typically the number of entries is limited to 512 NOTE The order of the Scan List is the order in which the transactions occur Sort functions are provided to change the order of the list Each entry also has an identifying index If the device st...

Page 43: ...ue has changed The write transaction only updates those local registers that have changed in value If several non consecutive local registers contained in a single mapping entry change value between transaction scans it takes several consecutive transaction scans to write each changed register When the I is placed in RUN mode the initial action for this mapping type is a read target register trans...

Page 44: ...gisters to be initialized locally before Writing to the target device register s Triggered Read A read transaction is triggered by a high level on a separately designated i binary trigger register Once the read transaction is complete or the device is offline the i trigger register is cleared by the i This update type can be used for occasion data accesses such as retrieving trend data NOTE This o...

Page 45: ... Menu press the upper right corner of the touchscreen to bring out the function keys then press the SYSTEM key or set SR3 to 1 which will display the Main Menu Then use the and keys to select a Main Menu item and press Enter Return Arrow to display the item s Sub Menu Figure 9 1 Opening System Menu Press the upper right corner to bring out the function keys and SYSTEM key in order to access the Ma...

Page 46: ...XXXXX AI4 XXXXX AQ1 XXXXX AQ2 XXXXX Calibrate Channel 1 Mode 0 20mA Input Value xxxmA Low Cal OK High Cal OK Directions Apply 0mA press Accept MJ1 None Loaded MJ2 None Loaded COM None Loaded Fkeys Momentary Sys Fn enable Yes Use to adjust Dflt Pgm Port MJ1 232 MJ2 RS485 Bias No Use to adjust Time 10 21 36 Date 28 Jun 2009 Day Thursday Use to adjust each field Saver enable Yes Timeout min 15 Popup ...

Page 47: ...ted System Setting If Enter is pressed the System Setting s value will be highlighted indicating that it is ready to be modified When modifying a System Setting s value use either the arrow keys the numeric keys or the appropriate touch screen icons to a new value The arrow keys are used to edit System Settings that have just a few possible values Each time the arrow key is pressed a new possible ...

Page 48: ...work CAN Baud 125 kB CAN Ok Yes CAN1 connected to a CAN network and functioning properly No Not ready to communicate on CAN network NOTE The IP address Net Mask and Gateway can be changed from the System Menu This is designed for commissioning or temporary field changes The actual parameters are defined in i Config under the Ethernet Configuration Set Network Baud The Network Baud Sub Menu for bot...

Page 49: ... Use 0 0 to 100 0 CAN network bandwidth used by all nodes Firmware Rev 14 18 xx yy of current firmware version CPLD Rev 0 3 x y of current CPLD Complex Programmable Logic Device Boot Rev 1 07 Self Test Ok All power on self tests passed Fault One or more power on self tests failed Ladder Size 2 Number of bytes in application ladder program Config Size 8 Number of bytes in application I O configurat...

Page 50: ...d or load failed The first five System Diagnostics are critical If any of them indicate a Fault condition then the i C Lite will not enter or remain in Run mode and the problem must be investigated and corrected System RAM Ok System RAM power up self test passed Fault System RAM power up self test failed System BIOS Ok System BIOS power up self test passed Fault System BIOS power up self test fail...

Page 51: ...twork bus off errors that have occurred Network State Ok At least one other node was found on the CAN network Warning No other nodes were found on the CAN network Network ID Ok This node s CAN Network ID is in the range 1 to 253 Warning This node s CAN Network ID was out of range at power up Dup Net ID Ok This node s Network ID is unique on the CAN network Warning This node s Network ID is duplica...

Page 52: ...em in I Config s Program menu and then setup a protocol for Port 1 or Port 2 or both In the View Protocols Sub Menu the currently downloaded protocol if any and its version number are displayed for both Port 1 and Port 2 Port 1 Protocol Name None Loaded or name of the protocol assigned to MJ1 Protocol Version Blank or version of the protocol assigned to MJ1 Port 2 Protocol Name None Loaded or name...

Page 53: ...ttings both of which are editable Fkeys Momentary K1 4 bits go On Off as F1 F10 are pressed released Toggle K1 10 bits toggle each time F1 F4 are pressed SYS_Fn enable Yes Reset and all clear system functions enabled No Reset and all clear system functions disabled ...

Page 54: ...ys three System Settings Time and Date are editable and Day is automatically calculated from the Date setting NOTE Time and Date are split into three editable fields each Use or to select a field and then use or to edit the field Time 10 21 36 Current time hours minutes seconds in 24 hour format Date 22 Jun 2006 Current date day month year Day Thursday Current day of week calculated from the Date ...

Page 55: ...00 AI1 12345 AI2 456 AI3 789 AI4 32100 AQ1 33333 AQ2 11111 Calibrate Analog The I and Q sections indicate the ON and OFF status of the individual digital inputs and outputs respectively The AI values show the raw analog inputs scaled from 0 to 32 000 The AQ items show the raw analog outputs scaled from 0 to 32 000 The Calibrate Analog item is a sub menu that when selected allows entering the field...

Page 56: ...Page 56 Set Beeper The Set Beeper Sub Menu displays one System Setting which is editable Beeper enable Yes default Enables beeper No Disables beeper does NOT affect ladder access ...

Page 57: ...er status changes to NOT Ok or NOT Run mode On Display popup status on any controller status change Update Time mS 2 50 Maximum amount of time to allow for graphics update per scan NOTE The built in screen saver function will not relight the screen unless the touchscreen is actually touched There is no automatic re light of the screen in case of alarms or other conditions that may need to be enunc...

Page 58: ...Enter will move up one directory Media Directory No Card Media Directory Dir Empty Media Directory Initializing No microSD card has been installed in the Memory Slot microSD card is installed but it is still initializing microSD card is installed and initialized but contains no files Scrollbar Shows size of highlighted file or shows DIR if directory is highlighted Shows the date file or directory ...

Page 59: ...e EMI event The fail safe system can be accessed through the system menu of the controller A new menu Fail Safe System has been added at the end of the main system menu for this Selecting Backup Restore Data displays the following screen in Backup Copies Battery Backed RAM contents on to the onboard flash memory of the I Restore Copies the backed up data from onboard flash to the battery backed RA...

Page 60: ...Restore Yes i will automatically be placed into RUN mode after AutoLoad or Automatic Restore Enable AutoLoad Enable AutoLoad displays the following options Enable AutoLoad No Does not load AUTOLOAD PGM automatically when application program is absent or corrupted Yes Loads AUTOLOAD PGM file automatically from RM when application program is absent or corrupted ...

Page 61: ...an I into the RM refer Removable Media for details on using RM It can then be used to clone a different I exact same model This feature can be used for Replacing an i by another unit of the same model Duplicating or clone units without a PC Make Clone Selecting Clone Unit menu will open the following menu screen NOTE Free Total displays number of free and total bytes in Removable Media ...

Page 62: ...lowing screen After confirmation the i will create two new files in the root directory of the Removable Media Drive as shown below AUTOLOAD PGM Application file CLONE DAT File having all unit settings and register values from Battery Backed RAM ...

Page 63: ...Page 63 Load Clone Selecting Clone Unit menu will open the following menu screen Select Load NOTE For security enabled files Load Clone asks for password validation before loading the application ...

Page 64: ...advanced functions will appear Select TOUCH CALIBRATION to calibrate the touch screen NOTE Advanced options accessed by holding the system key down may be locked out from user access If holding the SYSTEM key does NOT respond verify that the system menu s Set Fkeys sub menu s parameter SYS_Fn is enabled For best results in screen calibration use a stylus with a plastic tip When the crosshair appea...

Page 65: ...Page 65 Figure 9 3 Screen Calibration ...

Page 66: ...oSD Cards The i C Lite Memory slot is equipped with a push in push out connector and a microSD card can be safely inserted into the memory card slot when the i C Lite is powered On or Off To install a microSD card Align its 8 pin gold edge connector down facing the front of the i C Lite then carefully push it all the way into the memory card slot Ensure that it clicks into place To remove the micr...

Page 67: ...r The Removable Media Manager can be accessed via the System Menu or by using i Config to place a Removable Media Manager object on an application graphics screen The Removable Media Manager is an interactive i C Lite screen that performs the following functions Display number of total and free bytes Browse file and directory lists Delete files and directories Format a microSD card Load and save a...

Page 68: ...rom microSD to the i C Lite use the Removable Media Manager to find and highlight the desired PGM file and then press the Enter key To save an application from the i C Lite to microSD open the Removable Media Manager in the System Menu and press the Save Pgm function key The application will be saved in a file called DEFAULT PGM in the microSD root directory NOTE Saving an application to microSD c...

Page 69: ...ens item on the i Config Screens menu Next select the Screen Capture item of the Graphics Editor Config menu and then enter a Control Register and Filename 10 8 Configuration of a Removable Media The configuration of the Removable Media Object that invokes the Removable Media Viewer defines what buttons are enabled and available to the user The Enter button performs certain operations based on the...

Page 70: ... a comma separated value file from the microSD interface into the controller register space b Write RM csv This function allows writing of a comma separated value file to the microSD interface from the controller register space c Rename RM csv This function allows renaming a file on the RM card The data in the file is not changed d Delete RM csv This function allows deleting a file on the RM card ...

Page 71: ...aphic Screen Editor a Trends The historic support feature in the trend object utilizes Removable Media b Removable Media This is a graphic object used to access files and functions pertaining to Removable Media c Recipes This is a graphic object that is used in conjunction with the recipe editor which is mentioned above 10 12 Removable Media Features Additional Configuration a Alarms Alarm data ca...

Page 72: ...at are replaced by the I as follows Table 10 1 Filename Special Symbols Symbol Description Example Y Substitutes the current 2 digit year 2004 04 M Substitutes the current month with a 2 digit code March 03 D Substitutes the current day 22nd 22 h Substitutes the current hour in 24 hour format 4 PM 16 m Substitutes the current minute 45 45 s Substitutes the current second 34 34 p Substitutes 4 digi...

Page 73: ...nterface SR176 Free Space This 32 bit DINT register shows the free space on the RM card in bytes SR178 Card Capacity This 32 bit DINT register shows the total card capacity in kilobytes Possible status values are shown in the table Table 10 2 RM Status Values 0 RM interface OK 1 Card present but unknown format 2 No card in slot 3 Card present but not supported 4 Card swapped before operation was c...

Page 74: ... the file system if the card is removed during a file write sequence The graphic objects should set i register SR174 1 when requesting the card be removed and provide an indicator based on i register SR174 2 which indicates that it is safe to remove the removable media SR174 must be set back to zero after the card is reinserted Figure 10 4 Example application segment for safe removal of removable ...

Page 75: ...heets attached to it 11 1 Overview The i C Lite is a compact unit that contains high density and very versatile I O Using the I O properly requires wiring to the proper terminals and configuring I Config properly This section will offer some tips and suggestions to configure the I O properly For the register mapping of the I O refer to Chapter 12 on Registers NOTE To remove remote I O connectors g...

Page 76: ...l Outputs I C Lite Solid state digital outputs are generally used to activate lamps low voltage solenoids relays and other low voltage and low current devices NOTE The digital outputs used on the i C Lite are sourcing outputs This means the output applies a positive voltage to the output pin when turned ON When turned off the output applies approximately zero volts with respect to the I O ground T...

Page 77: ...r is stopped the operation of each output is configurable The outputs can hold the state they were in before the controller stopped or they can go to a predetermined state By default digital outputs turn off For more information on Stop State see Chapter 15 on Configuration for I Config Settings The digital outputs feature an output fault bit I32 will turn on if any of the outputs experience a sho...

Page 78: ...Page 78 Figure 11 2 Relay and Digital Output ...

Page 79: ...cause reverse currents when they turn off that can shorten the life of relay contacts Some protective measures must be determined by an engineer Below are some recommendations that will work for many applications If there are additional questions on protection from inductive load consult IMO Technical Support DC Loads General purpose diode IN4004 in reverse bias across the load AC Load MOV Harris ...

Page 80: ...Page 80 11 5 Sinking and Sourcing Outputs Figure 11 3 Model 10D14 Sinking and Sourcing Outputs ...

Page 81: ... be configured to the same mode Figure 11 4 Positive and Negative Inputs In positive logic mode a positive voltage applied to the input will turn the input On The internal design of this mode is basically a resistor from the input to I O ground This mode is sometimes called sourcing In negative logic mode connecting the input to the I O ground or zero volts will turn the input On The internal desi...

Page 82: ...Page 82 Figure 11 5 Digital Input ...

Page 83: ...es in the actual input 11 8 I O Status and Calibration 11 8 1 I O Status The I and Q sections indicate the ON and OFF status of the individual digital inputs and outputs respectively The AI values show the raw analog inputs scaled from 0 to 32 000 The AQ items show the raw analog outputs scaled from 0 to 32 000 The i C Lite System Menu contains an I O Status and Calibration selection When first en...

Page 84: ... calibration process will not adversely affect the operation of the attached equipment Calibration should be performed by trained personnel with equipment that is designed for precise analog calibration Ideally this equipment is also calibrated to a traceable standard The Calibrate Analog item is a sub menu that when selected allows entering the field calibration for analog inputs and outputs Figu...

Page 85: ...s Save when all channels are calibrated To calibrate 4 20mA Analog Outputs NOTE During Calibration process the application may be placed in Idle 1 Select the channel and mode as described above 2 Connect the analog output to be calibrated to a calibrator or precision meter 3 The controller will set the output to a lower analog output value 4 Read the value from the calibrator and enter it into the...

Page 86: ...Page 86 11 9 RTD Wiring on J3 Connector ...

Page 87: ...Page 87 Figure 11 7 RTD Wiring on J3 11 10 4i C Lite 20mA Wiring for Input and Output Figure 11 8 4 20mA Wiring on J3 ...

Page 88: ...o sudden changes in the actual input 11 12 Analog Outputs NOTE See Chapter 12 for high speed I O information and refer to the datasheet for i C Lite model The analog outputs on i C Lite devices provide high resolution current outputs NOTE Each channel can be separately configured for voltage or current mode When the controller is stopped the operation of each output is configurable The outputs can...

Page 89: ...otion or position to a series of electronic pulses Frequency Input The number of times an electromagnetic signal repeats an identical cycle in a unit of time usually one second Latch strobe A special function that uses a digital logic circuit to store one or more bits A latch has a data input a clock input and an output When the clock input is active data on the input is latched or stored and tran...

Page 90: ...dth must exist longer than 100μs NOTE The edge polarity selection in the mode parameter for the totalize and pulse width functions Digital HSC Input Configuration assume Positive Logic regardless of the associated I O board s jumper setting for the Digital DC inputs polarity If Negative logic is configured when using these functions the opposite edge polarity must be selected in the mode parameter...

Page 91: ...for HSC1 and HSC2 respectively To enable these inputs as reset signals specify the type as Totalize Reset note that the corresponding Totalize HSC must be previously configured before this option is available The direct digital reset controls are edge sensitive with the edge polarity configurable NOTE Maximum direct digital reset latency is 100μs The totalize function also supports an option which...

Page 92: ...Counts In this sub mode the accumulator value will contain the number of 1μs counts for which the pulse is low Period Rising Edges 1μs Counts In this sub mode the period of the input signal is reported in one 1 μs units The period measurement will start on the rising edge of the input Period Falling Edges 1μs Counts In this sub mode the period of the input signal is reported in one 1 μs units The ...

Page 93: ...or more details Quadrature inputs are typically used for reporting the value of an encoder Two modes are available for quadrature that select whether the accumulator counts up or down when the phase of input 1 leads input 2 Check your encoder s documentation to determine the output form it uses or try both modes to determine if the encoder counts up when expected Using the above waveforms and an H...

Page 94: ... This will result in a counter that produces counts in the range of 0 to 1023 Ladder control Setting registers Q17 or Q19 resets quadrature HSC 1 or quadrature HSC 3 respectively with no additional configuration Setting registers Q18 or Q20 sets quadrature HSC 1 or quadrature HSC 3 respectively to Counts per Rev 1 Direct digital input control HSC3 Marker When HSC input 1 and 2 are used for quadrat...

Page 95: ...o determine the marker pulse timing NOTE The Marker input is sampled within 50μs of the associated quadrature edge It is left to the user to determine if this meets the time constraints of the measured drive NOTE If the Marker input pulse consecutively spans more than one of the specified edges quadrature decoding operation is unpredictable Sync mode selection Waveforms Clockwise Rotation ________...

Page 96: ...sing edge Rising 0 Async Reset on falling edge Falling 0 Async Reset on both edge Both 0 High Reset on 1 rising Clockwise Rising High 0 Counter Falling High CPR 1 Low Reset on 1 rising Clockwise Rising Low 0 Counter Falling Low CPR 1 High Reset on 1 falling Clockwise Rising High CPR 1 Counter Falling High 0 Low Reset on 1 falling Clockwise Rising Low CPR 1 Counter Falling Low 0 High Reset on 2 ris...

Page 97: ... function Accumulator AI9 10 HSC3 function Accumulator Quad 2 Acc AI11 12 HSC4 function Accumulator AQ3 4 HSC1 Preset AQ5 6 HSC2 Preset Q17 Clear HSC1 Clear Quad 1 Q18 Clear HSC2 Set Quad 1 Q19 Clear HSC3 Clear Quad 2 Q20 Clear HSC4 Set Quad 2 12 5 Pulse Width Modulation PWM Functions On units that support the PWM two dedicated outputs are available that can be configured for one of four modes of ...

Page 98: ... on Frequency The Frequency is a 32 bit value indicating the output frequency in Hertz One over the frequency is the period Figures 12 2 12 3 PWM two parameters Duty Cycle Frequency At controller power up or during a download the PWM output is maintained at zero until both the Period count and the Duty cycle count are loaded with non zero values When the controller is placed in stop mode the state...

Page 99: ...Page 99 12 5 3 PWM Output Waveform Figure 12 4 PWM Output Waveform Table 12 4 PWM Output Waveform Table Rise Time 150ns Max Fall Time 150ns Max PWM Period Frequency 1 𝑃𝑒𝑟𝑖𝑜𝑑 ...

Page 100: ...er Map 12 6 1 PWM Examples Example 1 Duty Cycle Frequency To get a 50 Duty Cycle 10kHz waveform on PWM1 Set AQ7 8 16 000 Set AQ9 10 10 000 Example 2 Duty Cycle Frequency To get a 25 Duty Cycle 5kHz waveform on PWM2 Set AQ11 12 8 000 Set AQ13 14 5 000 Example 3 Duty Cycle Frequency To turn PWM 1 output ON all the time Set AQ7 8 32 000 Set AQ9 10 Any Value Example 4 Duty Cycle Frequency To turn PWM ...

Page 101: ...data such as virtual panel lights push buttons numeric value displays bar graphs meters graphs and animated bitmaps On the i C Lite these graphical objects through ladder manipulation of attribute bits can change color flash or change visibility to attract operator attention On objects that accept user input the input is provided by touching the object or alternately changing an i register i e Fun...

Page 102: ...nce invoked the operator may touch the appropriate keys to enter a specific value When entering a value the numeric keypad is in one of two modes new value or edit value New Value Mode Generally when the numeric keypad is first invoked it is placed in new value mode Initially the numeric keypad displays the current value with all the digits being highlighted Once the first digit is entered the cur...

Page 103: ...when Enter is pressed and the current object value is NOT changed Since the alpha numeric keypad services several different graphical objects certain keys on the alpha numeric keypad may be disabled grayed when the keypad is invoked for certain objects The following describes the alpha numeric keypad variation based on object Numeric Object When editing a numeric value the or the key are disabled ...

Page 104: ...sed space beyond the last character entered with NULL characters Pressing ESC will cancel the edit and return the string to the previous value Figure 13 3 ASCII Keypad Text Table Object When editing a Text Table Object all of the keys except the Up and Down arrow keys are grayed and disabled The next text selection is made by pressing either the Up or Down arrow Time Date Object When editing a Tim...

Page 105: ...that causes a screen change shown below in figure 14 4 Figure 13 4 Typical Screen Jump Objects i C Lite Screen jumps can also be triggered on other keys or based on control logic for more advanced applications To allow the operator to change screens a screen jump object is generally used This object may be visually represented as a button responding to touch or remain invisible and logically tied ...

Page 106: ... ladder detected events When the text coil is de energized the previous screen that was being viewed before the alarm is returned The switch display coil switches to the associated screen when it is energized Once it is de energized the screen remains until it is switched by the user or ladder Figure 13 5 Force and Switch Coils in Ladder Programming There is also a system register that can be used...

Page 107: ... the operator is pushing a button for a period of time the amount of slip while holding a button pressed may exceed the default sensitivity To increase the amount of tolerable slip and prevent false releases of the button the i C Lite allows adjustment of the allowable slide up to 5x the default value To enable the touch slip sensitivity first an i data register must be allocated through the Graph...

Page 108: ...ed to enunciate alarms to the operator While the display characteristics of this object is configurable it is generally displayed as a button that changes colors to indicate the highest state of the alarm s in the alarm group it is monitoring The following indicates the priority of the alarm states and the default colors associated with these states Highest Red Unacknowledged Alarms Exist Yellow A...

Page 109: ...g it from the list and touching the ACK button The operator can also clear an alarm if that function is enabled in the alarm object If not enabled the Clear buttons are grayed and do not respond to touch Once view operations are complete simply touch the Esc button to remove the pop up alarm viewer NOTE i registers SR181 and SR182 are available for ladder use which indicate presence of unacknowled...

Page 110: ...Page 110 Figure 13 8 Alarm Configuration in i Config ...

Page 111: ...threshold adjustable Lowest Green Device OK Figure 13 9 Removable Media Object To view and perform file operations the operator must access the removable viewer This is accomplished by either touching an enabled removable media object or through the system menu When accessed the removable media viewer is displayed as pop up removable media dialog similar to that shown in Figure 13 9 NOTE The remov...

Page 112: ... display to child directory bmp jpeg display bitmap if compatible format pgm load application if compatible model and version Alternately the enter button can be configured to simply load the ASCII representation of the file path including the file name to a group of I registers That pathname can then be used by ladder for opening and manipulating that file Once view operations are complete simply...

Page 113: ... disable the screen saver by generating a positive transition to SR57 16 coil only at a rate faster than the screen saver timeout value This may be desired while waiting for alarm acknowledgement NOTE The backlight life can be extended by dimming or powering off the backlight 13 10 Screen Brightness The i C Lite provides a feature that allows screen dimming for night operation To enable this featu...

Page 114: ... Analog Output 16 bit output registers used to send analog information such a voltages levels or speed settings to an attached device M Retentive Bit Retentive single bit registers T Temporary Bit Non retentive single bit registers R General Purpose Register Retentive 16 bit registers D Display Bit These are digital flags used to control the displaying of screens on a unit which can display a scre...

Page 115: ...ration Table CRC 0 65535 SR28 SD_CRC Security Data Table CRC 0 65535 SR29 NET_ID This Station s Primary Network ID 1 253 ICAN Mode 1 253 DeviceNet Mode 0 63 CANOpen Mode 1 127 J1939 SR30 NET_BAUD Network Baud Rate 0 125KB 1 250KB 2 500KB 3 1MB 0 3 ICAN Mode 0 3 DeviceNet Mode 0 2 CANOpen Mode 0 3 J1939 1 1 SR31 NET_MODE Network Mode 0 network not required 1 network required 2 network optimized 3 n...

Page 116: ...TAKN Read bit indicating Backup of Register Data has been performed Fail Safe SR164 5 EN_AUTO_RN Enable AUTORUN Fail Safe SR164 6 EN_AUTO_LD Enable AUTOLOAD Fail Safe SR164 7 STRT_BCKUP Backup trigger bit SR164 8 CLR_BACKUP Clear Backup trigger bit SR164 9 MAKE_CLONE MAKE_CLONE trigger bit SR164 10 LOAD_CLONE LOAD_CLONE trigger bit SR164 11 MK_CLN_FL Status indicating Make Clone Fail This bit goes...

Page 117: ...0 SR188 NET_MIN Minimum Net Usage of all units on the CAN network 0 1000 SR189 NET_MAX Maximum Net Usage of all units on the CAN network 0 1000 SR190 NT_TX_AVG Average Net Usage of this unit 0 1000 SR191 NT_TX_MIN Minimum Net Usage of this unit 0 1000 SR192 NT_TX_MAX Maximum Net Usage of this unit 0 1000 For additional information on system bits and registers refer to the online help found in I Co...

Page 118: ...14 HSC Functions Register Map Register Frequency Totalize Pulse Quad AI5 6 HSC1 function Accumulator Quad 1 Acc AI7 8 HSC2 function Accumulator AI9 10 HSC3 function Accumulator Quad 2 Acc AI11 12 HSC4 function Accumulator AQ3 4 HSC1 Preset AQ5 6 HSC2 Preset Q17 Clear HSC1 Clear Quad 1 Q18 Clear HSC2 Set Quad 1 Q19 Clear HSC3 Clear Quad 2 Q20 Clear HSC4 Set Quad 2 PWM Functions Register Map Registe...

Page 119: ... 256 IDs Per ICAN Network 64 w o repeat 253 w 3 repeaters AQ 256 Keypad Slide Keys Touch M 1024 Display 4 3 Color Transmissive T 1024 Screen Memory 256kB R 5 000 User Screens 250 D 250 No of Objects per Page 30 K 4 Ladder Code 256kB S 13 Ethernet ICAN Ping Modbus TCP Master Downloadable protocol Slave Ethernet IP FTP or EGD EGD does not support Multicast SR 192 ...

Page 120: ...ndicates the Network ID of the i to which the I Config program is physically connected through its serial port It can serve as a pass through device to other nodes on the network Target yy R indicates the Network ID of the device with which the I Config program is exchanging data Note The Local unit and Target unit can be the same unit or they can be separate units The following are status indicat...

Page 121: ...board Ethernet Port CAN iCAN or modems For i C Lite use i Config Version 9 80 or newer To communicate with the i C Lite via USB you will need the Automated Driver Installer located on the Microsoft website Next connect a PC s Personal Computer running a Windows Microsoft operating system USB port via USB cable to the USB mini B port on the i C Lite USB Mini Port B Port Figure 15 2 USB Programming ...

Page 122: ...Page 122 The PC will detect a new device has been plugged into the USB port Open i Config and the first screen to open will be the Connection Wizard Select USB and Next then Finish ...

Page 123: ...e we suggest connecting via USB Figure 15 3 I Config Connection Wizard Screenshots If Controller USB COM Port is not present in the dropdown list the Windows operating system has not yet recognized the I as an installed device Be sure the installation process is complete and that the correct drivers are installed The Connection Wizard must be completely closed and reopened to refresh the USB dropd...

Page 124: ...lternate way to select the COM setting is to go to i Config Tools Application Settings Communication Configure and choose connection method in Add Target Figure 15 4 i Config Alternative Connection Method Screenshot ...

Page 125: ...ig NOTE The following fields need to be filled for communication configuration if i Config Connection Wizard was not used Table 15 1 explains the information needed in each field 1 Target Name 2 Connection Medium 3 Connected Device 4 Connection Settings ...

Page 126: ...ver CAN This option requires additional hardware to be installed with the PC to be able to do so Select the type of hardware installed from the dropdown Installed Modem Select this option to communicate to the device through the internal modem of the computer i Config will automatically detect the internal modem attached with PC and list in the attached drop down User can select modem and telephon...

Page 127: ...and do not require the ID to be configured The main method for communicating between i Config and an i C Lite is RS 232 serial The controller can communicate with i Config using USB to serial adapters CAN iCAN or modems For communications other than RS 232 serial please refer to the manual that ships with the adapter hardware being used for programming NOTE The following fields need to be filled f...

Page 128: ...d to set the target ID of the controller in i Config or on the unit The Target ID allows directing communications to a unit when multiple units are connected via an iCAN network Units without ICAN network ports respond to any network ID and do not require the ID to be configured To check or change the ID on the i C Lite press the far upper right corner of the touch screen to bring out the function...

Page 129: ... the i C Lite to bring up the Connection Status 3 Click Properties 4 Double click Internet Protocol Version 4 TCP Ipv4 in the list of available protocols 5 The PC may normally be set to Obtain an IP address automatically Click next to Use the following IP address 6 Use the IP address 10 1 100 40 or something other than that of the i C Lite 7 The Subnet Mask 255 255 255 0 should fill in automatical...

Page 130: ...nfig window It may take a moment to initialize the communications 17 Check the status bar for successful communications Examples of the PC Ethernet setup and the i Config Ethernet setup mentioned in the above steps Figure 15 7 Internet Protocol Screenshot ...

Page 131: ...onfig button to automatically recognize a controller that is already successfully connected to I Config Below the main controller configuration under Network Ports find LAN1 and click on the Config button to the right of the greyed out ETN300 In the LAN1 Configuration fill in the network setup for the I C LITE It may be required to consult IT personnel to determine proper settings if connection to...

Page 132: ...ed that will reflect the settings These settings may temporarily be changed via the SYSTEM menu but will revert to the I Config configured settings at any transition into RUN mode i e a program download or at power up If Get settings from is set to Register for any parameter the addresses in the Default Settings column are ignored entirely The addresses instead must come from the configured regist...

Page 133: ...utomatically detect the Base model I O and any communication options 3 If the i C Lite is NOT connected a Select Series i3C Lite Series b Select Device Type i3C LITE c Select Model i3CL12Y 10D14 SEHF or i3CL12Y 10D12 SEHF 4 Select Local I O Module Setup 5 The I O Module Configuration dialog Specifically the Module Setup tab provides four buttons to configure all the I O Configure each I O feature ...

Page 134: ...hapters covering General I O Chapter 11 or High Speed I O Chapter 12 in this manual The four areas of I O configuration are Digital In HSC Digital Out PWM Analog In Analog Out 15 7 Digital HSC Input Configuration The following figure illustrates the Digital HSC Input Configuration dialog Figure 15 10 Digital HSC Input Configuration Dialog ...

Page 135: ...ur available high speed counters on the i C Lite To configure a counter the user needs to set the type mode and counts per rev The type drop down includes the following options Disabled Frequency Totalize Pulse Quadrature Marker Only available in counter 3 if counter 1 is set to quadrature The mode drop down items are set according to the type selection The Counts Per Rev window is enabled disable...

Page 136: ...cify how the PWM outputs behave when the controller is stopped These items can either hold their value or default to some value when the controller is stopped NOTE The PWM outputs are set to the OFF state at power up and during program download and remain in that state until the unit is placed in RUN The Output State on Controller Stop group box contains items to allow the user to specify how the ...

Page 137: ...onfiguration Dialog The Channel x drop down windows allows the user to specify the mode for each analog input to operate The Channel x drop down windows are enabled disabled according to which model is being configured Both of the models have the following modes available 0 20mA 4 20mA RTD NOTE Each unused channel should be set to Disable ...

Page 138: ...he Output value on Stop group box contains items that allow the user to specify how the analog output channels behave when the controller is stopped The outputs can either hold their value or default to a value when the controller is stopped The Output Mode group box allows the user to select the operating modes for each of the analog outputs The modes include 4 20mA The Filter Constant provides d...

Page 139: ...Page 139 15 11 Scaling Analog Inputs To access the Advanced Math Scaling function select Tools Project Toolbox This will open a side bar and then select Advanced Math Scale ...

Page 140: ...to 32000 for 20mA Use the Scale function to obtain an Integer pressure reading using the 0 32000 raw input range and the sensor s 0 2000psi output range Example 2 If readings with fractions are required the raw Integer input value must first be translated in REAL or Floating Point format The I Config INT to REAL Conversion function may be used to convert the raw input value from INT to REAL format...

Page 141: ... backed up in flash to Battery Backed RAM Detect corrupted Register Settings at power up and then automatically restore them from flash Detect corrupted or empty application in flash memory at power up and then automatically load the AUTOLOAD PGM application file from Removable Media Compact flash or microSD If an automatic Register Restore or Application Load occurs the i can automatically be pla...

Page 142: ...in the device to YES 5 Set the Enable AutoRun option to YES if the controller needs to be placed in RUN mode automatically after automatic restore of data or AutoLoad operation 16 3 Backup Restore Data Selecting this option brings up a screen having four operations Backup i Data Copies Battery Backed RAM contents on to the onboard flash memory of the i Restore i Data Copies the backed up data from...

Page 143: ...cked RAM contents on to the onboard flash memory of the i This will have the effect of backing up all the registers and controller settings Network ID etc that would otherwise be lost due to a battery failure SR164 4 is set to 1 when backup operation is performed Figure 16 3 Backup Registers ...

Page 144: ...data The controller will be placed in IDLE mode Data will be copied from onboard flash memory to i Battery Backed RAM The controller will reset The controller will be put in RUN mode if the AutoRun setting is Yes else it will remain in IDLE mode Figure 16 4 Restore I Data SR164 3 is set to 1 only when an automatic restore operation is performed not on a manual one This bit is reset to 0 when a new...

Page 145: ...a When initiated the backup data will be erased from the onboard flash and no backup will exist SR164 4 and SR164 3 is reset to 0 when backed up data is erased Figure 16 5 Clear Backup Data Exit Goes back to the previous screen ...

Page 146: ...Page 146 The i follows the following sequence in execution of Automatic Restore Figure 16 6 Flow Chart for Automatic Restore ...

Page 147: ...e manually initiated when the SYS F3 key is pressed I can be in any of the following mode Idle Run DOIO This also requires a valid AUTOLOAD PGM to be present in the removable media of the device When the AutoLoad setting is not enabled set to NO i will be in IDLE mode and the application is not loaded If the AUTOLOAD PGM is security enabled the user will be prompted to enter the password before lo...

Page 148: ...Page 148 The i implements the following sequence to execute the AutoLoad function Figure 16 8 Flow Chart for AutoLoad ...

Page 149: ...does not succeed a pop up message box saying AUTO LOAD RUN SEQUENCE FAILED will be displayed It will also show the reason for its failure On acknowledging this message box the AutoLoad Run sequence will be terminated controller will return to the first user screen and will be placed in IDLE mode Figure 16 9 AutoRun Menu Enable AutoRun No i will be in IDLE mode after AutoLoad or Automatic Restore Y...

Page 150: ...ifferent i exact same model Refer to Removable Media Chapter 10 for details on using RM This feature can be used for Replacing an i by another unit of the same model Duplicating or clone units without a PC 17 2 Clone User must perform the following sequence of action to Clone a unit 1 The Clone Unit can be accessed by going to the System Menu of the i A new menu Clone Unit has been added at the en...

Page 151: ...ing NOTE In the above Figure 17 2 F3 and F4 are inactive in the clone Unit 3 Make Create Clone option enables the user to duplicate Clone an application file all unit settings and all register values from Battery Backed RAM Selecting Make Clone brings up the screen below Figure 17 3 Clone Unit Confirm Screen ...

Page 152: ...ovable Media Drive as shown below AUTOLOAD PGM Application file CLONE DAT File having all unit settings and register values from Battery Backed RAM Figure 17 4 Clone Unit Files NOTE Make Create clone operation automatically includes the security in AUTOLOAD PGM file for security enabled files ...

Page 153: ... firmware When Make clone operation is triggered by this SR bit it does not ask the user for confirmation to make the clone The success failure of the operation is also not notified on screen to the user In case of failure of Make Clone operation SR164 11 bit is set to 1 by the firmware and never reset NOTE Backup of registers in flash memory is not performed by the Clone Feature If user desires b...

Page 154: ...regardless of AutoLoad settings and then resets the i for the settings to take effect User must perform the following to Load the Clone 1 Select Clone Unit from main system menu of i as shown below Figure 17 6 System Menu 2 Selecting Clone Unit menu will open the following menu screen Select Load Clone Figure 17 7 Clone Unit Menu after Cloning ...

Page 155: ...iles Load Clone asks for password validation before loading the application Load Clone can also be triggered by setting SR164 10 bit to 1 from Ladder program or graphics Once the operation is completed this bit is made zero by the firmware When the Load Clone operation is triggered by this SR bit it does not ask the user for confirmation to load the clone The success failure of the operation is no...

Page 156: ...ng and try again 9 Firmware updates typically delete the user applications to ensure compatibility You will need to reload your application 10 Test the operation of the equipment with the new firmware before returning the i C Lite system to an operation mode Preventing Program Loss An available option to prevent the loss of program should the battery be drained is to use the Backup Restore functio...

Page 157: ...screwdriver to lift it from the holder 5 Dispose of the battery properly see the above warning on disposal regulations 6 Slide the new battery into the holder Make sure the battery is inserted with the proper polarity The top tab of the battery holder should contact the positive terminal of the battery 7 Place the back cover over the unit and gently press each corner evenly in order to snap the cl...

Page 158: ...ete the request it returns the appropriate error response Should the slave be unable to respond the master s timeout timer expires to provide an indication of No Response 19 2 Modbus Slave Overview For complete Modbus Slave instructions please refer to the Help file in i Config The Modbus slave function block when used with the appropriate Modem and or Open function blocks allows the primary seria...

Page 159: ...tion details are added in the Devices dialog box This includes Slave ID serial Under Device Type the Modbus addressing style matching that specified in the slave s user documentation may be selected For instance some slaves specify Modbus addresses i e 40 001 and others specify offsets i e 0000 o Hex or Decimal Some specify addresses in hex and others in decimal By allowing the user to select the ...

Page 160: ...Page 160 19 4 Opening I Config Help File After opening the i Config Help file select the Index table and search for Modbus Slave or Modbus Master as shown below Select Index tab ...

Page 161: ...hod 2 The second method requires the Modbus Master to be configured with a specific Modbus Command and Modbus Offset The supported Modbus commands and the associated offsets are also illustrated in Table 19 1 Table 19 1 Modbus Master Mapping I C LITE Reference Maximum Range Trad Modbus Ref 5 digits Expanded Modbus Ref 6 Digits Modbus Commands Modbus Offset I1 1024 10001 010001 Read Input Status 2 ...

Page 162: ...a number shows next to Local then communication is established to the local controller Local No Port i Config is unable to access the COM port of the PC This could mean that i Config is configured for a COM port that is not present or that another program has control of the COM port Only one i Config window can access a port at a time Subsequent instances of I Config opened will indicate No Port L...

Page 163: ...l adapter Part numbers PC501 20 3 Connecting Troubleshooting Checklist USB Port Mini B Programming 1 Controller must be powered up 2 Ensure that the correct COM port is selected in i Config Tools Applications Settings Communications 3 Be sure that the USB cable is connected between the PC and the controller Check Windows Device Manager to ensure that the USB driver is properly installed and to ver...

Page 164: ...ion for I O match 5 Check data sheets for voltage and current limits 6 Take ladder out of the picture From i Config set controller to Do I O mode In this mode inputs can be monitored and outputs set from a data watch window in i Config without interference from the ladder program Some I O problems are only a result of a mistake in the ladder program 20 7 iCAN Network For complete information on se...

Page 165: ...uplicate node ID s 7 Keep proper wires together One twisted pair is for V and V and the other twisted pair is used for CAN_HI and CAN_LO 8 Make sure the baud rate is the same for all controllers on the network 9 Assure shields are connected at one end of each segment they are not continuous through the network 10 Do not exceed the maximum length determined by the baud rate and cable type 11 Total ...

Page 166: ... C Lite will not download project file Make sure the project file is saved as a pgm file and not a csp file 20 10 Technical Support Contacts For manual updates and assistance contact Technical Support at the following locations IMO Precision Controls Ltd Tel 44 0 1707 414 444 Web https www imopc com Email automation imopc com ...

Page 167: ...Page 167 ...

Reviews: