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COM461MT_D00011_00_M_XXEN/05.2013

6. Data access using Modbus/TCP protocol

Requests are sent to the Modbus/TCP server in the COM461MT using function
code FC4 (read input register). The server generates a function-related re-
sponse and sends it to the Modbus client.

6.1

Exception code

If a request cannot be answered for whatever reason, the server sends a so-
called exception code with which possible faults can be narrowed down.

Exception
code

Description

0x01 Impermissible

function

0x02 Impermissible

data

access

0x03 Impermissible

data

value

0x04

Slave device error

0x05

Acknowledgement of receipt (response delayed)

0x06

Request not accepted (repeat request, if necessary)

0x08

Memory: parity error

0x0A

Gateway path not available

0x0B Gateway

error

Содержание B 9506 1021

Страница 1: ...anual COM461MT BMS Ethernet gateway for the connection of Bender devices with BMS support to Ethernet TCP IP using the Modbus TCP protocol Software version D402 V1 0x COM461MT_D00011_00_M_XXEN 05 2013...

Страница 2: ...ing only with permission of the publisher Subject to change Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail...

Страница 3: ...gainst unauthorized access 10 3 Product description 11 3 1 Scope of supply 11 3 2 A short description 11 3 3 Properties 11 3 4 Possible applications 12 4 Installation connection and commissioning 13 4...

Страница 4: ...alarm and D Device lost device failure 34 7 2 6 Channels 1 to 32 With analogue and or digital values 35 7 2 6 1 Float Floating point value of the BMS channels 35 7 2 6 2 A T Alarm type and test type...

Страница 5: ...Contents 5 COM461MT_D00011_00_M_XXEN 05 2013 8 4 Ordering data 62 9 Troubleshooting 63 9 1 Damage in transit 63 9 2 Malfunctions 63 9 2 1 What should be checked 63 9 2 2 Where do you go to get help 64...

Страница 6: ......

Страница 7: ...nd information The meaning of these symbols is explained below 1 2 Overview of chapters Making effective use of this document This chapter gives you instructions on how to use this documentation Safet...

Страница 8: ...l data In addition to the technical data you will find here ordering data Troubleshooting This chapter offers service and support in case of malfunction In addi tion you will also find here informatio...

Страница 9: ...nce in this regard If the device is being used in a location outside the Federal Republic of Germany the applicable local standards and regulations must be com plied with European standard EN 50110 ca...

Страница 10: ...T For details refer to the chapter basic configuration from page 19 2 4 Protection against unauthorized access Assigning addressesthatarealreadyused byexisting de vices in the BMS or TCP IP networks c...

Страница 11: ...ace The coupling is performed via the internal Layer 2 switch Two Ethernet ports are available Interface on the BMS side COM461MT can be operated as a master or slave 3 3 Properties Setting of the IP...

Страница 12: ...M_XXEN 05 2013 3 4 Possible applications Usage of professional data display programs by converting the BMS data to the Modbus TCP protocol Observing and analysing Bender products that support communic...

Страница 13: ...opic in particular about the wiring of bus devices in the separate document BMS bus You can download the document from the download area of the web site www bender de com 3 Request network data from t...

Страница 14: ...IP networks The internal Modbus TCP server in the COM461MT communicates with the Modbus TCP client via these networks The following block diagram illustrates the operation of the gateway on the inter...

Страница 15: ...Installation connection and commissioning 15 COM461MT_D00011_00_M_XXEN 05 2013 Fig 4 1 Block diagram of a coupling between an internal BMS bus and TCP IP networks COM461MT...

Страница 16: ...ssible methods of mounting DIN rail mounting Screw mounting with 2 x M4 dimension diagram on page 61 When installing the device please take into considera tion that the device is only to be used in lo...

Страница 17: ...ed Supply voltage Us see nameplate and ordering data Maximum ambient temperature 55 C For use in pollution degree 2 environments Only 60 75 C copper wires are to be used Tightening torque for terminal...

Страница 18: ...tions it is mandatory to use 5 A fuses ETH1 ETH2 Two connections for connection to a personal computer or to the local network hub switch router Connection using a CAT5 cable internal Layer 2 switch w...

Страница 19: ...XEN 05 2013 4 5 Commissioning 1 Apply the supply voltage to the COM461MT The green ON LED illu minates 2 Connect the COM461MT to a PC and open a web browser 3 Enter the IP address for the COM461MT fac...

Страница 20: ...ddress data on page 22 If the factory settings are changed always note the modified address data in the following table Para meter Meaning Factory setting Modified setting IP address IP address of the...

Страница 21: ...lick Undo to undo the changes made Summer time Select summer time set ting Off Function disabled DST Automatic switchover USA CDN CEST Automat switcho ver Central Europe On Set time zone 1 h Off Date...

Страница 22: ...ta the following options are available Enter NetBIOS name in the web browser http com461mt or com461mt dependent on the browser Requirement COM461MT and PC must lie in the same address range Connect a...

Страница 23: ...splay and operating elements Fig 5 1 COM461MT front panel Key 1 ON LED lights when supply voltage is applied 2 Ron off beside terminals A B Switch for terminating the BMS bus When the device is instal...

Страница 24: ...The BMS Ethernet gateway COM461MT 24 COM461MT_D00011_00_M_XXEN 05 2013...

Страница 25: ...tion code If a request cannot be answered for whatever reason the server sends a so called exception code with which possible faults can be narrowed down Exception code Description 0x01 Impermissible...

Страница 26: ...d from the input registers 0x100 and 0x101 6 3 Modbus responses The responses consist of 2 bytes per register The MSB is the first byte Byte Name Example Byte 0 1 Transaction identifier 0x0000 Byte 2...

Страница 27: ...ame Example Byte 7 MODBUS function code 0x84 Byte 8 Exception code 0x01 or 0x02 Function Address range Number of bytes Number of words Device name 0x00 0x09 20 bytes 10 words Timestamp 0x0A 0x0D 8 byt...

Страница 28: ...Data access using Modbus TCP protocol 28 COM461MT_D00011_00_M_XXEN 05 2013...

Страница 29: ...me of the data requested depends on the number of bytes selected in the Modbus client used Up to 125 words 0x7D can be read with a single request An individual addressable byte such as the set bit for...

Страница 30: ...Modbus start address for the respective process image is derived from the BMS device address 256 0x100 words or 512 bytes are reserved for each BMS device They contain all the information requested a...

Страница 31: ...start address to re quest the following device parameters Device name Timestamp Common alarm Device error BMS channel Example In our example data is to be requested from channel 2 of the device with B...

Страница 32: ...13 Channel 14 Channel 15 Channel 16 0x50 Channel 17 Channel 18 Channel 19 Channel 20 0x60 Channel 21 Channel 22 Channel 23 Channel 24 0x70 Channel 25 Channel 26 Channel 27 Channel 28 0x80 Channel 29 C...

Страница 33: ...device failure R Reserved A detailed description of the data formats for the device name timestamp etc is given below 7 2 3 Device name The device name is set using a BMS bus scan 0xD0 R R R R R R R R...

Страница 34: ...ure The common alarm bit is set as soon as an alarm status from the respective BMS device is detected The device error bit is set when communication with the respective BMS de vice is no longer possib...

Страница 35: ...type internal external R U Range and unit For details on the channel description refer to chapter 7 4 7 2 6 1 Float Floating point value of the BMS channels Representation of the bit order for process...

Страница 36: ...ternal or external test has been completed Other values are reserved The complete byte is calculated from the sum of the alarm type and the test type Bit 7 6 5 4 3 2 1 0 Meaning Test external Test int...

Страница 37: ...unit X X X 0 0 0 1 0 X X X 0 0 0 1 1 A X X X 0 0 1 0 0 V X X X 0 0 1 0 1 X X X 0 0 1 1 0 Hz X X X 0 0 1 1 1 Baud X X X 0 1 0 0 0 F X X X 0 1 0 0 1 H X X X 0 1 0 1 0 C X X X 0 1 0 1 1 F X X X 0 1 1 0...

Страница 38: ...d the range of validity Caution If the unit byte refers to CODE the recorded value or status will result in a text message The content of this text message is listed in the table on page 39 or page 45...

Страница 39: ...s 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Reserved 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 Insulation fault 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 Overload 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 Overtemperature 0 0 0 0 0 0...

Страница 40: ...dditional bit 4 which is used for coding device errors e g connection faults or internal device errors Bit 7 6 5 4 3 2 1 0 Meaning Test external Test internal Status Reserved Reserved Alarm Error Alar...

Страница 41: ...Big Endian At the end of this chapter a few examples of correct configuration are given which might be helpful 7 3 1 Address assignment of the reference data record As shown in the following table th...

Страница 42: ...age reference value on channel 1 0x0014 12 34 A overcurrent reference value on channel 2 7 3 2 Reference value on channel 1 The following reference value is stored in this channel 230 0 V undervoltage...

Страница 43: ...ws 1 Determine the correct byte offset Interpreting both words as unsigned integer values should result in the following values Word 1 with address 0x14 unsigned integer value 16709 0x4145 Word 2 with...

Страница 44: ...0_M_XXEN 05 2013 Hex value sequence Word 1 Word 2 Floating point value Byte 1 Byte 2 Byte 3 Byte 4 CORRECT A 41 B 45 C 70 D A4 12 34 Word swap ping C 70 D A4 A 41 B 45 4 066E 29 Byte swapping B 45 A 4...

Страница 45: ...ssage operating message Note 0 1 0x01 Insulation fault 2 0x02 Overload 3 0x03 Overtemperature 4 0x04 Failure line 1 5 0x05 Failure line 2 6 0x06 Insul fault OP light Insulation fault operating theatre...

Страница 46: ...nverter UPS 19 0x13 UPS fault 20 0x14 UPS emergency opera tion 21 0x15 UPS test run 22 0x16 Failure air conditioning 23 0x17 Batt op OP L Battery operated operat ing theatre light 24 0x18 Batt op OP S...

Страница 47: ...pply 29 0x1D Fail N conductor 30 0x1E Short distr panel Short circuit distribution panel 31 0x1F 32 0x20 33 0x21 34 0x22 35 0x23 Standby function Measuring function switched off standby 36 0x24 37 0x2...

Страница 48: ...Date 68 0x44 Service by Date 69 0x45 Ins fault locat Insulation fault location 70 0x46 Peak Fault EDS system 71 0x47 Insulation fault Insulation resistance in 72 0x48 Current Measured value in A 73 0x...

Страница 49: ...tance Measured value in F 83 0x53 Temperature Measured value in C 84 0x54 Overload Measured value in 85 0x55 Digital input State 0 or 1 86 0x56 Insulation fault Impedance 87 0x57 Insulation fault Alar...

Страница 50: ...power connec tion 102 0x66 Earth connection 103 0x67 Short CT CT short circuit 104 0x68 No CT connected 105 0x69 Short temp sensor Short circuit temperature sensor 106 0x6A Temp sensor open Connection...

Страница 51: ...e error Fault ISOMETER 116 0x74 Manual mode K1 2 manual mode 117 0x75 Open circuit K1on Line to K1 on interrupted 118 0x76 Open circ K1off Line to K1 off interrupted 119 0x77 Open circuit K2 on Line t...

Страница 52: ...7 0x7F Q2 Fault 128 0x80 No Master 129 0x81 Device error 130 0x82 131 0x83 Fault RS 485 132 0x84 133 0x85 134 0x86 135 0x87 136 0x88 137 0x89 Short circuit Q1 138 0x8A Short circuit Q2 139 0x8B CV460...

Страница 53: ...ned several times 142 0x8E Invalid address 143 0x8F Several masters 144 0x90 No menu access 145 0x91 Own address 201 0xC9 Line 1 normal op 202 0xCA Line 2 normal op 203 0xCB Switch el 1 on 204 0xCC Sw...

Страница 54: ...on 211 0xD3 Line SV on 212 0xD4 Line UPS on 213 0xD5 Channel disabled 214 0xD6 SwitchBackLock Switching back interlock ing function active 215 0xD7 Phase sequ right 216 0xD8 Switch el pos 0 217 0xD9...

Страница 55: ...022 0x3FE No measured value no message 1021 0x3FD Measured value parameter inactive 1020 0x3FC Measured value parameter only temporarily inactive e g during the transfer of a new parameter Display in...

Страница 56: ...Modbus process image in the memory of the COM461MT 56 COM461MT_D00011_00_M_XXEN 05 2013 1009 0x3F1 Factor multiplication 1008 0x3F0 Factor division 1007 0x3EF Baud rate Value Description of parameters...

Страница 57: ...ways set all four registers word 0xFC00 0xFC03 at the same time This statement also applies if individual registers remain unchanged If there is no external BMS bus enter value 1 in this register If a...

Страница 58: ...meter 1 1 150 0 2 Test changeover device PRC 1 1 150 0 3 Start automatic test changeover 1 2 end after time T test 1 1 150 0 4 Start test generator without changeover 1 1 150 0 5 Switchover to line 1...

Страница 59: ...connected to the network flashes during data transmission ON Operation indicator Interfaces BMS bus internal Interface protocol RS 485 BMS bus internal Operating mode Master slave slave Baudrate BMS...

Страница 60: ...lay oriented Connection Connection type Screw terminals Connection properties Rigid flexible 0 2 4 0 2 2 5 mm2 AWG 24 12 Multi conductor connection 2 conductors with the same cross section Rigid flexi...

Страница 61: ..._XXEN 05 2013 8 2 Dimension diagram 8 3 Standards approvals certifications For information on UL applications refer to page 17 Other interface protocols Connection to control system and or PLC via OPC...

Страница 62: ...e Supply voltage frequency range US Power con sumption Item no COM461MT BMS Ethernet gateway AC DC 76 276 V AC 42 460 Hz DC For UL applications USAC 76 250V 40 150 mA 42 460 Hz US DC 76 250 V 10 35 mA...

Страница 63: ...MT causes malfunctions in the connected networks please re fer to this operating manual 9 2 1 What should be checked Check whether The device is supplied with the correct supply voltage The BMS bus ca...

Страница 64: ...te thorough study of the technical manual and intensive trouble shooting in your installation you cannot rectify the fault related to the BMS Ethernet gateway COM461MT please contact our Service depar...

Страница 65: ...m 61 Display and operating elements 23 E Exception code 25 F Factory setting 20 I Intended use 9 M Malfunctions 63 Measuredvaluedescriptionsfortheprocess image list 45 Memory image of a BMS device 32...

Страница 66: ...pe of supply 11 Settings 19 Support 64 T Technical data 59 Termination 10 Termination of the BMS bus 18 Troubleshooting 63 U UL applications restrictions 17 Using this manual 7 W Wiring diagram 17 Wor...

Страница 67: ......

Страница 68: ...Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com D0001100MXXEN...

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