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PRODUCT MANUAL 

ABB i-bus® KNX 

MG/S 11.100.1.1 
Modbus RTU – KNX TP Gateway 

Summary of Contents for i-bus KNX MG/S 11.100.1.1

Page 1: ... PRODUCT MANUAL ABB i bus KNX MG S 11 100 1 1 Modbus RTU KNX TP Gateway ...

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Page 3: ...nnections 8 3 4 1 Inputs 8 3 4 2 Outputs 8 3 5 MG S 11 100 1 1 Modbus RTU KNX TP Gateway 100 Points 9 3 5 1 Dimension drawing 10 3 5 2 Connection diagram 11 3 5 3 Operating controls and display elements 12 3 5 4 Technical data 13 3 5 4 1 General technical data 13 3 5 5 Device type KNX interface 14 3 5 6 Device type Modbus interface 14 4 Function 15 4 1 Device functions 15 4 2 Software functions 15...

Page 4: ...1 Read On Init Delay 31 7 2 1 2 Time Telegram Rate 31 7 2 1 3 In Operation 32 7 2 1 4 Sending cycle 32 7 2 1 5 Baud rate 33 7 2 1 6 Data Type 33 7 2 1 7 Response Timeout 34 7 2 1 8 Interframe Timeout 34 7 2 1 9 Poll After Write 35 7 2 1 10 Number of Devices 35 7 2 1 11 Device x Name 36 7 2 1 12 Device x Server Address 37 7 2 1 13 Device x Number of Data Points 38 7 2 1 14 Device x Active 39 7 2 2 ...

Page 5: ... Manual operation 57 10 Maintenance and cleaning 59 10 1 Maintenance 59 10 2 Cleaning 59 11 Removal and disposal 61 11 1 Removal 61 11 2 Environment 62 12 Planning and application 63 12 1 Priorities 63 12 2 Basic knowledge 63 12 2 1 General Modbus RTU RS 485 information 63 12 2 2 What is Modbus 63 12 2 3 Bus principle RS 485 63 12 2 4 Polarity 64 12 2 5 Topology 64 12 2 6 Cable types 64 12 2 7 Cab...

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Page 7: ...roperties are definitive for any orders placed ABB AG does not accept any responsibility whatsoever for potential errors or possible lack of information in this document ABB AG reserves all rights in this document and in the subject matter and illustrations contained therein Reproduction transfer to third parties or processing of the content including sections thereof is not permitted without the ...

Page 8: ...eath or serious injury unless avoided DANGER Indicates high risk hazards that will definitely result in death or serious injury unless avoided WARNING Indicates medium risk hazards that could result in death or serious injury unless avoided CAUTION Indicates low risk hazards that could result in slight or moderate injury unless avoided CAUTION Indicates a risk of malfunctions or damage to property...

Page 9: ...kaging and the front of the device are labeled with a 2D code These codes are used for unique identification of the device and include the following information Link to the product page Order code Device serial number The 2D codes can be read using any mobile device with an appropriate 2D code reader By scanning the 2D codes with the ABB Product Scanner you can open additional digital services ...

Page 10: ...ed electricians Disconnect the device from the electrical power supply before mounting 2 2 Qualification of the specialist personnel Programming the device requires detailed specialist knowledge of Modbus and KNX particularly about the ETS commissioning software acquired through KNX training courses 2 3 Proper use The Modbus RTU KNX TP Gateway 100 Points MG S 11 100 1 1 enables a KNX TP system to ...

Page 11: ...he device is powered via the bus ABB i bus KNX and requires no additional auxiliary voltage The device connects to the bus ABB i bus KNX via a bus connection terminal on the front of the housing The software application Engineering Tool Software ETS is used for physical address assignment and parameterization 3 2 Product name description Abbreviation Description MG Modbus Gateway S MDRC xx 11 Modb...

Page 12: ... navigation in the PDF Key combination Alt left arrow jumps to the previous view page 3 4 Connections The device has the following connections RS 485 Modbus connection 1 bus connection 3 4 1 Inputs This section is not relevant for this device 3 4 2 Outputs This section is not relevant for this device ...

Page 13: ...ion in the PDF Key combination Product Manual EN MG S 11 100 1 1 9AKK108467A5941 Rev B 9 Alt left arrow jumps to the previous view page 3 5 MG S 11 100 1 1 Modbus RTU KNX TP Gateway 100 Points Fig 1 Device illustration MG S 11 100 1 1 9PAA00000133743 ...

Page 14: ...erview 10 9AKK108467A5941 Rev B MG S 11 100 1 1 EN Product Manual Note about navigation in the PDF Key combination Alt left arrow jumps to the previous view page 3 5 1 Dimension drawing Fig 2 Dimension drawing 9AKK108464A0438 ...

Page 15: ... 9AKK108467A5941 Rev B 11 Alt left arrow jumps to the previous view page 3 5 2 Connection diagram Fig 3 Connection diagram Legend 1 Labeling field 2 KNX connection 3 2D code 4 KNX programming button 5 DIP switch 6 RS 485 Modbus connection 7 Power Modbus activity LED yellow 8 KNX programming LED red 9AKK108464A0439 ...

Page 16: ...ault OFF Polarization inactive ON DIP switch x set to ON position OFF DIP switch x set to OFF position Power Modbus activity LED OFF Device switched off ON Device switched on without communication Slow flashing Invalid response or no response received from a server Fast flashing Valid telegram received from the configured server Tab 4 Operating controls and display elements Note When you install t...

Page 17: ... UL94 Electronics Rated voltage bus 30 V DC Voltage range bus 21 33 V DC Current consumption bus 11 22 mA Maximum current device 22 mA Power loss device 3 W Power loss bus 0 58 W KNX safety extra low voltage SELV Connections Connection type KNX bus Plug in terminal Cable diameter KNX bus 0 6 0 8 mm solid Connection type Modbus 3 pole terminal block with screw locking RS 485 Pitch KNX 5 84 mm Modbu...

Page 18: ... KNX interface 3 5 6 Device type Modbus interface Device type Maximum number of Modbus addresses 254 Maximum number of data points 100 Maximum number of servers supported 100 Type of Modbus server Modbus RTU EIA 485 Tab 7 Device type Modbus interface Note The number of servers supported is directly dependent on the maximum number of data points and is therefore limited to 100 servers Example There...

Page 19: ...he RTU protocol via RS 485 4 2 Software functions The software application Engineering Tool Software ETS is used for physical address assignment and parameterization Each server has its own parameter window A user friendly table in ETS allows you to make assignments between Modbus registers and KNX Group Objects The gateway uses KNX standard data points DPTs to ensure smooth integration Additional...

Page 20: ... KNX Shop Note The DCA is a device specific app and is not available for demo versions of ETS Note For information on how to activate the DCA see the KNX article for ETS Version 5 and the KNX article for ETS Version 6 4 3 Special operating states The device s reaction if there is a bus voltage failure after bus voltage recovery and after ETS download is predetermined by the gateway and cannot be p...

Page 21: ...n in the device ETS reset can be performed in ETS using the Commissioning menu item in the function Reset device from ETS version 6 Restart device After an ETS reset the device restarts and executes the following actions Keeps the configuration parameters Resets the timers Scans the Modbus servers Updates Status Group Objects 4 3 4 Reaction during download Downloading describes loading a modified ...

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Page 23: ...connection The device can be mounted in any position as required on a 35 mm mounting rail The connection to the bus ABB i bus KNX is made using the bus connection terminal supplied The terminal designation is located on the housing The connection to Modbus is made via the supplied 3 pole terminal block with screw locking RS 485 The terminal designation is located on the housing Note The maximum pe...

Page 24: ...ting rail 1 Place the mounting rail holder on the upper edge of the mounting rail and push down 2 Pull down the lower latching lever with the aid of a screwdriver or similar tool 3 Push the lower part of the device toward the mounting rail and let the latching lever return to its original position until the mounting rail holder engages The device is now mounted on the mounting rail 4 Relieve the p...

Page 25: ...verview After the bus voltage is activated for the first time the following factory settings will be selected automatically Physical address of the device 15 15 255 ETS application not preloaded We recommend using the Full Download option when configuring the device for the first time The device can be programmed only using ETS Note You need to download the entire ETS application Downloads may tak...

Page 26: ...s via ETS 1 Press the Programming button Programming mode is active Programming LED on 2 Start programming process in ETS Physical address is assigned Device restarts Note The device performs an ETS reset during assignment of the physical address All states are reset 6 5 Software application 6 5 1 Download reaction Depending on the PC it can take up to 90 seconds for the progress bar to appear dur...

Page 27: ...of a server can be exported as a reusable template The DCA can also be used to import ready made device templates from a database The DCA ABB MG S11 100 1 1 Template Configuration is available for download from the KNX Shop Note The DCA is a device specific app and is not available for demo versions of ETS Note For information on how to activate the DCA see the KNX article for ETS Version 5 and th...

Page 28: ...mplates in knxmbr file format 1 In the list select the device server you wish to export 2 Select Export 3 Specify a local storage location and click Save 6 6 2 Import Device Templates 1 Select Add From Template 2 A new window opens showing the two options for importing templates Import File and Download 1 To select a template from the local storage location select Import File 2 To select a templat...

Page 29: ... database After importing the template from local storage or from the database the following window appears All the previously assigned data points from the imported template are listed You can activate or deactivate data points by selecting them manually Active checkbox The gateway will then create a new device that only includes the active data points Additional relevant information is listed in...

Page 30: ...out navigation in the PDF Key combination Alt left arrow jumps to the previous view page 6 6 3 Edit Devices 1 Click Replace to import a template into an existing device Device name and data points are replaced by those of the template 2 Click Delete to delete the device from the ETS application ...

Page 31: ...the gateway 1 Select device s 2 There are two options a Online mode activated use Scan to select firmware file from online database b Online mode deactivated select firmware file from local storage location Note The gateway requires a KNX programming interface that supports an extended address range Note The connection to the database is made via an https website that uses Port 443 Please contact ...

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Page 33: ...d on the parameter windows The parameter windows have a dynamic design The parameter windows are shown or hidden depending on the number of Modbus servers The default values of the parameters are underlined e g No checkbox cleared Yes checkbox ticked Note The default values in the ETS application can vary from the values stated in the product manual depending on the product variant Note If you add...

Page 34: ... 7 2 Parameter windows 7 2 1 General parameter window The following settings can be made in this parameter window General settings for KNX General settings for Modbus Fig 5 General parameter window Prerequisites for visibility The parameter window is always visible Note The parameter Total Gateway Data Points indicates how many of the 100 available data points are already in use ...

Page 35: ...ect value via a GroupValueResponse Reasons for a device reset are a power failure and subsequent bus voltage recovery an explicit device reset or an ETS download Explanation on knx org KNX flags Option 0 255 s Prerequisites for visibility This parameter is in the General parameter window 7 2 1 2 Time Telegram Rate This parameter is used to define the waiting time between two telegrams before they ...

Page 36: ...eived the sending device could be faulty or the bus cable to the transmitting device could be interrupted Option No The function is deactivated Yes The following dependent parameters are shown Sending cycle Prerequisites for visibility This parameter is in the General parameter window 7 2 1 4 Sending cycle This parameter is used to define the cycle in which the In Operation Group Object sends a te...

Page 37: ...t be the same for all devices in the Modbus system client and server Option 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps 57600 bps 115200 bps Prerequisites for visibility This parameter is in the General parameter window 7 2 1 6 Data Type This parameter is used to define the data format of the Modbus RTU interface The parity and number of stop bits must be the same for all devices in th...

Page 38: ...s before reporting the error via the corresponding Error Status Group Objects Option 100 1000 2000 ms Note Some servers have long processing times This information is usually provided in the server manual Take this into account when setting the Response Timeout parameter Prerequisites for visibility This parameter is in the General parameter window 7 2 1 8 Interframe Timeout This parameter defines...

Page 39: ...bus telegrams sent by the device Note After updating the KNX Group Object the gateway goes on continuously polling the data points in ascending order from data point 1 to 100 Option No The function is deactivated Yes The function is activated Prerequisites for visibility This parameter is in the General parameter window 7 2 1 10 Number of Devices This parameter is used to define the number of inte...

Page 40: ...s used to specify an individual description for a device Option Free text entry Maximum 64 ASCII characters the maximum number of characters may vary for other character formats Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Prerequisites for visibility This parameter is in the Gene...

Page 41: ...e server address Each Modbus server must be given a unique server address The setting must be made on the server itself and must match this parameter Note Address duplication can cause conflicts Option 1 254 Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Prerequisites for visibility...

Page 42: ... to define the number of data points on the Modbus device concerned Option 0 10 100 Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other If the Total Gateway Data Points value exceeds the maximum number of data points the following error message appears Prerequisites for visibility This p...

Page 43: ...tically deactivated Deactivated data points are taken into account in the Total Gateway Data Points parameter Option No The device is deactivated Yes The device is activated Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Example You can use this parameter to preconfigure a server bu...

Page 44: ...view page 7 2 2 Config Device x parameter window Settings for the device are made in this parameter window The visibility of the parameter window is dependent on the setting in the Number of Devices parameter Fig 6 Config Device x parameter window Note For information on how to correctly parameterize the Modbus device concerned refer to its documentation mapping tables ...

Page 45: ...ed to specify an individual description for a device Option Free text entry Maximum 64 ASCII characters the maximum number of characters may vary for other character formats Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Prerequisites for visibility This parameter is in the Config D...

Page 46: ...dresses Each Modbus server must be given a unique server address The setting must be made on the server itself and must match this parameter Note Address duplication can cause conflicts Option 1 254 Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Prerequisites for visibility This par...

Page 47: ...define the number of data points on the Modbus device concerned Option 0 10 100 Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other If the Total Gateway Data Points value exceeds the maximum number of data points the following error message appears Prerequisites for visibility This param...

Page 48: ...lly deactivated Deactivated data points are taken into account in the Total Gateway Data Points parameter Option No The device is deactivated Yes The device is activated Note This parameter appears in two places The General parameter window The device parameter window Changing it in one parameter window also changes it in the other Example You can use this parameter to preconfigure a server but no...

Page 49: ...w Config Device x parameter Device x Active option Yes This parameter is in the Config Device x parameter window Note The indicates the data point number from 1 to 100 The is shown in the name of the corresponding Group Object The gateway continuously polls the data points in ascending order from data point 1 to 100 7 2 2 6 Group Object name This parameter is used to specify an individual descript...

Page 50: ...Option 7 001 pulses DPT 7 001 x Variable for the listed data point type Note Be sure to select the correct DPT based on the associated Modbus data point Prerequisites for visibility This parameter is in the Config Device x parameter window 7 2 2 8 Read Function This parameter is used to define which Modbus function codes are selected The function code tells the server which memory type i e registe...

Page 51: ...ite Single Register 15 Write Multiple Coils 16 Write Multiple Registers Prerequisites for visibility This parameter is in the Config Device x parameter window 7 2 2 10 Data Length This parameter is used to define the size of the Modbus register in bits If the function code Read or Write refers to coils or discrete inputs the data length is automatically set to 1 The parameter can no longer be adju...

Page 52: ...sters Option 0 Unsigned 1 Signed C2 2 Signed C1 3 Float 4 BitFields Prerequisites for visibility This parameter is in the Config Device x parameter window 7 2 2 12 Byte Order This parameter is used to define the order in which the bytes are shown If the function code Read or Write refers to coils or discrete inputs the byte order is automatically set to The parameter can no longer be adjusted The ...

Page 53: ...nge Option 0 65535 Prerequisites for visibility This parameter is in the Config Device x parameter window 7 2 2 14 Bit This parameter is used to define the start bit within the data point in the assigned register The options in the Bit parameter are only adjustable when the Format 4 BitFields option is selected Option 1 x 15 Note The Bits parameter defines the number of specific bits in the assign...

Page 54: ...or visibility This parameter is in the Config Device x parameter window 7 2 2 16 Deadband This parameter defines the minimum absolute value change of the Modbus data before the new value is written to the associated Status Group Object This avoids excessive sending when making minimal value changes Option 0 100 Note When calculating the Device x Deadband parameter always take account of the type a...

Page 55: ...le These are equals is not equal to is less than is greater than These logical connections return 1 if the result corresponds to the condition and 0 if not Option The function is deactivated Multiply by x Multiplies the value Divide by Divides the value Equals The value is the same Is not equal to The value is different Less than The value is less than Greater than The value is greater than Prereq...

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Page 57: ...D1 4 Control Group Object DPT_7 001 7 001 2 bytes C R W U Modbus KNX D1 4 Status Group Object DPT_7 001 7 001 2 bytes C R T KNX Modbus D1 5 Control Group Object DPT_7 001 7 001 2 bytes C R W U Modbus KNX D1 5 Status Group Object DPT_7 001 7 001 2 bytes C R T KNX Modbus D1 6 Control Group Object DPT_7 001 7 001 2 bytes C R W U Modbus KNX D1 6 Status Group Object DPT_7 001 7 001 2 bytes C R T KNX Mo...

Page 58: ...erver with an error Telegram value Server Address Prerequisite for visibility This Group Object is always visible Register Address Status Modbus register error DPT_12 xxx 12 xxx 4 bytes C R T This Group Object indicates the register address of the last Modbus server with an error Telegram value Register Address Prerequisite for visibility This Group Object is always visible Error text Status Error...

Page 59: ...n D Device x Device number x Data point number As shown in the column of the device table Group Object Specified Group Object name x xxx DPT Specified DPT x Specified length bit bytes and flags 8 4 Dx x Status Group Objects The Group Objects are shown in accordance with the specifications in the device settings table Function Group Object name Data point type Length Flags Modbus KNX Dx x Status Gr...

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Page 61: ...e about navigation in the PDF Key combination Product Manual EN MG S 11 100 1 1 9AKK108467A5941 Rev B 57 Alt left arrow jumps to the previous view page 9 Operation 9 1 Manual operation This section is not relevant for this device ...

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Page 63: ... to the previous view page 10 Maintenance and cleaning 10 1 Maintenance The device is maintenance free if used properly In the event of damage e g during transport and or storage repairs are not allowed to be made 10 2 Cleaning 1 Disconnect the device from the electrical power supply before cleaning 2 Clean the dirty device using a dry cloth or a slightly damp cloth ...

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Page 65: ...t arrow jumps to the previous view page 11 Removal and disposal 11 1 Removal Fig 7 Removing from the mounting rail 1 Press on the top of the device 2 To release the device pull down the latching lever with the aid of a screwdriver 3 Release the bottom of the device from the mounting rail 4 Lift the device up and off the mounting rail 9AKK108464A0444 ...

Page 66: ...d Therefore please take the device to a suitable recycling center All packaging materials and devices are provided with markings and test seals for proper disposal Always dispose of packaging material and electrical devices or their components at collection points or disposal companies authorized for this purpose The products comply with the statutory requirements particularly the law on electrica...

Page 67: ...ia serial cables between electronic devices The device that requests the information is termed the client The devices that send information are servers In a standard Modbus network there is one client and up to 255 servers each with a unique server address from 1 to 255 Address 0 is reserved for the client 12 2 3 Bus principle RS 485 The Modbus standard uses the RS 485 standard This standard defin...

Page 68: ...e J Y St Y n x 2 x 0 8 is suitable for instance The screen is to be connected to PE at one end The bus cable must be terminated with resistors 120 Ω 0 25 W at both ends so that only minimal reflections are produced The serial communication on the RS 485 interface operates most efficiently if the source and load impedance are matched at 120 Ohm The termination resistors are connected in parallel wi...

Page 69: ... The baud rate and parity must be the same for all the devices in the Modbus system Each Modbus server is assigned a unique address Server data points function codes register numbers format etc are correctly entered in the gateway in accordance with the server specification General server information such as processing times were taken into account in the gateway configuration There are Modbus too...

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Page 71: ...anual EN MG S 11 100 1 1 9AKK108467A5941 Rev B 67 Alt left arrow jumps to the previous view page 13 Appendix 13 1 Scope of delivery The device is supplied together with the following components 1 x Modbus RTU KNX TP Gateway MG S 11 100 1 1 1 x installation and operating instructions ...

Page 72: ... 68 9AKK108467A5941 Rev B MG S 11 100 1 1 EN Product Manual Note about navigation in the PDF Key combination Alt left arrow jumps to the previous view page 13 2 Status byte Device This section is not relevant for this device ...

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Page 74: ...this document at any time without advance notice In the case of orders the respective agreed conditions shall be decisive ABB AG does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights to this document and the objects and illustrations contained therein Reproduction transfer to third parties or processing of the cont...

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