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Helios PD2-6080/PD2-6081 Modbus

®

 Scanners 

Instruction Manual 

 

32 

Master Mode (

nmastr

The Master mode contains the 

PV Number, Poll Time, and Response Timeout 

menus. 

PV Number

: Enable/disable PVs, select slave ID, function code, register number, data type & byte order. 

Poll Time

: Enter the time interval to poll the slave devices selected. 

Response timeout

: Enter the time interval to wait after three polls before reporting it as a Communications Break. 

 

Summary of Contents for Helios PD2-6080

Page 1: ...splay 1 8 46 mm Digits Readable up to 100 Feet 30 Meters Away 4 Relays with Interlocking Capability Isolated 4 20 mA Output Option Free PC Based On Board ScanView USB Programming Software SunBright Di...

Page 2: ...om for complete details Registered Trademarks All trademarks mentioned in this document are the property of their respective owners 2021 Precision Digital Corporation All rights reserved FREE ScanView...

Page 3: ...llation Overview 16 ScanView Software 16 ScanView Installation 16 ScanView Monitoring 17 ScanView Data Logging 17 Transmitter Supply Voltage Selection P P 17 Connections 18 Connectors Labeling 18 Powe...

Page 4: ...6 Time Delay Operation 46 Relay Sampling Operation 46 Relay and Alarm Operation Diagrams 47 High Alarm Operation Set Reset 47 Low Alarm Operation Set Reset 47 High Alarm with Fail Safe Operation Set R...

Page 5: ...6 Vertical Pipe Mount Assembly 15 Figure 7 Horizontal Pipe Mount Assembly 15 Figure 8 Transmitter Supply Voltage Selection 17 Figure 9 PD2 6080 1 6H0 7H0 Connectors Label 18 Figure 10 PD2 6080 1 6H7...

Page 6: ...ce absolute difference average weighted average multiplication division minimum maximum draw ratio and concentration This is in addition to the input signal conditioning functions linear square root p...

Page 7: ...D PD2LH3CB1 RYG Light Horn with Red Yellow Green Light Layers Button Mounted and Wired to Helios 1 Note 1 Specify MOD PD2LH model as a separate item on the order for the Helios to order the Light Horn...

Page 8: ...ponse timeout timer Slave Snooper mode Time the scanner will wait for new data before going into break condition Slave mode Programming 0 disables the timeout the last value received will be displayed...

Page 9: ...tion keys and digital inputs Non Volatile Memory All programmed settings are stored in non volatile memory for a minimum of ten years with or without power Power Options 85 265 VAC 50 60 Hz 90 265 VDC...

Page 10: ...able exponent accuracy range 10 100 of calibrated span Temperature Drift 0 005 of calibrated span C max from 0 to 65 C ambient 0 01 of calibrated span C max from 40 to 0 C ambient Input Signal Conditi...

Page 11: ...ys Programmable and independent for each relay Fail Safe Operation Programmable and independent for each relay Note Relay coil is energized in non alarm condition In case of power failure relay will g...

Page 12: ...e reset relays and reset max min values See Function Keys Digital I O Available Settings on page 68 for a complete list of capabilities Channels 4 digital inputs 4 digital outputs Digital Input Logic...

Page 13: ...under the lower door panel and are accessible by removing the single securing screw Wires should be run through the knockout holes located on the bottom of the scanner see Figure 5 Conduit Holes Locat...

Page 14: ...h of the mounting screws pre drill holes at the mounting locations previously marked Insert mounting screws into the four mounting holes and screw them into the pre drilled holes DO NOT overtighten th...

Page 15: ...top and bottom for vertical pipes or left and right for horizontal pipes of the reverse side of the scanner enclosure using the provided fasteners DO NOT overtighten the fasteners as it could cause da...

Page 16: ...d of the provided USB cable to the scanner and the other end to the computer The computer will automatically install the driver software it needs to talk to the scanner Follow the on screen instructio...

Page 17: ...t Data Log Start from the top menu bar The log file can be retrieved at any time by following the path C Program Files x86 PDC ScanView 1 00 Data Log Once Data Logging has begun the Configure Customiz...

Page 18: ...l shows the location of all connectors available with the ordered configuration DO NOT connect any equipment to the RJ45 M LINK connector Otherwise damage will occur to the equipment and the meter DO...

Page 19: ...with 1 or 2 stop bits To change the meter address 1 Press and hold the Menu button for three seconds to access Advanced Features menu of the meter 2 Press Up arrow until Serial SEriaL menu is displaye...

Page 20: ...VDC terminal Digital output connections are made by wiring from the appropriate digital output terminal to the ground terminal Figure 17 Digital Input and Output Connections F4 Digital Input Connecti...

Page 21: ...times the circuit voltage and forward current at least as large as the load current Figure 21 Low Voltage DC Loads Protection RC Networks Snubbers Available from Precision Digital RC networks are ava...

Page 22: ...nel LED is on When the Interlock Contact is open the corresponding front panel LED flashes locked out the Interlock Relay is de energized preventing power from flowing to the Control Relay and the loa...

Page 23: ...the programming buttons After power and signal connections have been completed and verified apply power to the scanner LED Status Indicators PD2 6080 LED State Indication 1 4 Steady Alarm condition b...

Page 24: ...uding those without relays installed 1 4 Flashing Relay interlock switch open 1 4 M Flashing Relay in manual control mode 8 Steady Eighths of an inch 16 Steady Sixteenths of an inch F Flashing Communi...

Page 25: ...CAN Enter button again to resume scanning Play LED turns on Press NEXT to go to the next PV auto scan resumes after 10 seconds of inactivity Press PREV to go to the previous PV auto scan resumes after...

Page 26: ...321 Byte Order Select little endian byte order 2143 Byte Order Select byte swapped big endian byte order Not available for Short integer Display Functions Messages Display Parameter Action Setting Des...

Page 27: ...mmand setup Setup Enter Setup menu pV Process Variable Enter PV Setup menu PV 1 PV Select PV 1 16 tag Tag Tag units Units Units Display Functions Messages Display Parameter Action Setting Description...

Page 28: ...cted Relay turns on when Communications Break detected Off Off Relay goes to non alarm condition when break detected Relay turns off when Communications Break detected Display Functions Messages Displ...

Page 29: ...e next digit and the Up arrow to increment the digit s value The digit being changed is displayed brighter than the rest Press and hold the Up arrow to auto increment the display value Press the Enter...

Page 30: ...nect the RJ45 connector located to the left of the power terminal block Doing so will disable the on board digital I O and the RS 485 serial communications When using more than one scanner in a multi...

Page 31: ...PV Number menu and press ENTER From there the user can scroll through all of the sixteen available PVs In order to enable a specific PV simply press ENTER to access the desired PV then scroll to ENABL...

Page 32: ...er Poll Time and Response Timeout menus PV Number Enable disable PVs select slave ID function code register number data type byte order Poll Time Enter the time interval to poll the slave devices sele...

Page 33: ...ossibility of communication errors and communication break conditions use a poll time of 5 seconds or more with slow baud rates e g 4800 bps or less 2 The response time for scanners set up for Snooper...

Page 34: ...ber defaults to 30001 2 Default Data Type is Float 3 Default Slave ID for PV1 001 for PV2 002 for PV3 003 etc The Master ignores the decimal point setting for slave devices that specify a Short or Lon...

Page 35: ...r setup The Setup menu is used to select 1 PV Setup a PV Tags b PV Units c Format Decimal point or Feet Inches d Decimal Point e Scale input data 2 Display assignment Intensity 3 Relay assignment and...

Page 36: ...each enabled PV Once you have selected the desired PV you can select parameters for each These include tag units format display decimal point float decimal point resolution and scaling of the input da...

Page 37: ...2 must be less than Input 3 etc known as monotonic values Press Enter to save the changes or Menu to exit without saving When the Linear function is selected for PV1 PV2 up to 32 points may be program...

Page 38: ...programmed to display any of the following Display Parameter Setting Description D pV Display PV Display PVs 1 16 D Ch C Display C Channel Display Math Channels C1 C4 PV unit Display PV Units Display...

Page 39: ...canners Instruction Manual 39 Display Line 1 Menu Line 1 dsplay Note For Tag PVn and Tag PVn U the default settings for PVs are 1 3 5 7 followed by two underscores which represent empty PVs These all...

Page 40: ...canners Instruction Manual 40 Display Line 2 Menu Line 2 dsplay Note For Tag PVn and Tag PVn U the default settings for PVs are 2 4 6 8 followed by two underscores which represent empty PVs These all...

Page 41: ...e position 3 Press and hold up arrow to auto scroll the characters in the display Application Example 1 In this application we have a system consisting of 4 multivariable tank level gauges connected t...

Page 42: ...Average Temperature Data Type Long integer Binary Signed Long Byte Order 1234 1234 PV7 Slave ID 3 3 Function Code 04 04 Parameter PD2 6080 Master PD2 6080 Snooper Description Comment Register PV7 300...

Page 43: ...face Display 1 000000 000000 Input 2 999999 999999 0 001 inch resolution Display 2 83 333 83 333 Feet Application Example 2 In this application we have a system consisting of 4 multivariable tank leve...

Page 44: ...PVs 2 to 16 PVs 2 Act 1 Relay action a Automatic reset only non latching b Automatic manual reset at any time non latching c Latching manual reset only d Latching with Clear manual reset only after a...

Page 45: ...elow the set point Note Changes are not saved until the reset point has been accepted Setting Fail Safe Operation failsf In fail safe mode of operation the relay coil is energized when the process var...

Page 46: ...condition 3 Ignore Processed as a low signal condition Note Select no Action Time Delay Operation The following graphs show the operation of the time delay function When the signal crosses the set po...

Page 47: ...must go below the set point and then go above it Low Alarm Operation Set Reset For Manual reset mode ACK can be pressed anytime to turn off relay For relay to turn back on signal must go above set poi...

Page 48: ...off or on based on their operating mode and their set and reset points without regard to their prior state This is similar to the auto initialization on power up Below is a diagram showing three exam...

Page 49: ...thout relays installed and provide status indication for the following LED Status 1 Alarm 1 2 Alarm 2 3 Alarm 3 4 Alarm 4 The scanner is supplied with four alarm points that include front panel LEDs t...

Page 50: ...up for manual reset at any time Acknowledging the alarm even if the alarm condition is still present resets the relay and turns off the LED Manual reset any time Condition LED Relay Normal Off Off Al...

Page 51: ...e programmed so that the first pump on is the first pump off Application 1 Pump Alternation Using Relays 1 2 Set and Reset Point Programming Relay Set Point Reset Point Function 1 30 000 10 000 Contro...

Page 52: ...al inputs are assigned to the same relay then the corresponding logic is AND i e both switches must be closed to trip the relay If the digital inputs are assigned to the Interlock Function then they c...

Page 53: ...age is being displayed and enter the correct password to gain access to the menu After exiting the programming mode the scanner returns to its password protected condition Disabling Password Protectio...

Page 54: ...ect Automatic Scan Mode time Scan Time Select Scanning Time nman Manual Select Manual Scan Mode Alarnm Alarm Select Go or Stop Alarm go Go Select Alarm Go Stop Stop Select Alarm Stop Contrl Manual Con...

Page 55: ...plied to other math channels e g C3 C1 C2 sunm Sum Math2 Function Sum dif Difference Math2 Function Difference Advanced Features Menu Display Messages Display Parameter Action Setting difabs Absolute...

Page 56: ...mp High Signal Volt Volts Enter Volts V CAL Voltage Calibration Enter Voltage Calibration V Lo Voltage Low Signal Enter Voltage Low Signal V Hi Voltage High Signal Enter Voltage High Signal error Erro...

Page 57: ...ontrl The Manual Control menu is used to control the 4 20 mA analog output and the relays manually ignoring the input Each relay and analog output can be programmed independently for manual control Se...

Page 58: ...mmed to filter small input changes but allow larger input changes to be displayed immediately by setting the bypass value accordingly If the input signal goes beyond the bypass value it will be displa...

Page 59: ...es a display that is linear with respect to the input data e g 0 000 0 000 10 000 10 000 and then 5 000 5 000 Linear Function Menu Linear Scanners are set up at the factory for linear function with 2...

Page 60: ...um flow Programmable Exponent Function Menu prog e The programmable exponent function is used to calculate open channel flow measured with a level transmitter in weirs and flumes The flow rate is prop...

Page 61: ...the volume in any engineering unit without the need to re enter the dimensions again Changing the Volume from Gallons to Liters In the graphic entering the 48 for the diameter and 120 for the length...

Page 62: ...iFAbS Average PV1 PV2 2 P F AVG Multiplication PV1 PV2 P F Nmulti Division PV1 PV2 P F diVide Max PV Max value of all selected PVs Hi pV Min PV Min value of all selected PVs Lo pV Draw PV1 PV2 1 F drA...

Page 63: ...digit represents one PV in hexadecimal format except PV16 G 3 PV1 PV9 1 9 PV10 PV16 A G 4 No PV selected underscore symbol 5 Digit range 1 G then _ 6 If there is an empty digit the scanner will end th...

Page 64: ...1 Modbus Scanners Instruction Manual 64 Sum Menu sunm Difference Menu dif Difference Absolute Menu difAbS Average Menu aVg Multiplication Menu nmulti Divide Menu diVide Only two PVs at a time will be...

Page 65: ...V Draw Menu drauw Only two PVs at a time will be used for this function Weighted Average Menu uwAvg Only two PVs at a time will be used for this function Ratio Menu ratio Only two PVs at a time will b...

Page 66: ...nge absolute maximum and minimum output and communications break values They can also be recalibrated To calibrate the analog outputs follow the graphic above The overrange and underrange values are t...

Page 67: ...loop that includes a power supply internal or external 12 to 24 VDC and the mA input on the digital meter See Figure 22 4 20 mA Output Connections on page 21 for details 2 Turn on all devices Allow fo...

Page 68: ...stored minimum display values for all channels Rst HL Reset the stored maximum minimum display values for all channels relay Directly access the relay menu Set 1 Directly access the set point menu fo...

Page 69: ...to the USER menu selecting a function key or digital input pressing ENTER to take you to the next level then pressing the Up arrow until you arrive at the RESET menu Press ENTER to assign the RESET me...

Page 70: ...t the values entered or press Menu to exit calibration without saving the changes Error Message Error An error message indicates that the calibration or scaling process was not successful After the er...

Page 71: ...vices 3 Baud rate and parity of all devices on the bus 4 Scanner Id must be different from other devices Snooper mode not reading the PVs on the RS 485 bus Check 1 Increase Master s Transmit Delay e g...

Page 72: ...ettings Reset Scanner to Factory Defaults When the parameters have been changed in a way that is difficult to determine what s happening it might be better to start the setup process from the factory...

Page 73: ...V 1 5 V 0 10 V 10 V and displaying these signals in engineering units from 99999 to 999999 e g a 4 20 mA signal could be displayed as 50 000 to 50 000 The analog input channels must be mapped to PVs u...

Page 74: ...annel C1 4 Sunm Sum Adder constant P Adder 0 000 Factor constant F Factor 1 000 Factory Defaults User Settings Parameter Display Default Setting Filter Filter Filter PV 1 Ch A 70 Filter PV 2 Ch B 70 B...

Page 75: ...errange output O rang 21 000 mA Underrange output u rang 3 000 mA Communications break output break 1 000 mA Maximum output nmAx 23 000 mA Minimum output nmin 1 000 mA F1 function key F1 Previous PV F...

Page 76: ...www predig com LIM2 6080_D SFT088 Ver 2 020 up 08 21 Contact Precision Digital Technical Support Call 800 610 5239 or 508 655 7300 Fax 508 655 8990 Email support predig com Sales Support Call 800 343...

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