Bender COMTRAXX COM462RTU, Manual

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COM462RTU_D00010_04_M_XXDE / 06.2021 3
COMTRAXX® COM462RTU
Table of Contents
1 General instructions ..........................................................................5
1.1 How to use this manual ..............................................................................................5
1.2 Indication of important instructions and information ....................................5
1.2.1 Signs and symbols ........................................................................................................5
1.3 Training courses and seminars.................................................................................5
1.4 Delivery conditions .......................................................................................................5
1.5 Inspection, transport and storage ..........................................................................6
1.6 Warranty and liability...................................................................................................6
1.7 Disposal of Bender devices ........................................................................................6
1.8 Safety .................................................................................................................................7
2 Product description ...........................................................................8
2.1 Intended use ...................................................................................................................8
2.2 Address setting and termination ............................................................................8
2.3 Scope of delivery ...........................................................................................................8
2.4 Short description ...........................................................................................................8
2.5 Device features ..............................................................................................................9
2.6 Possible applications ...................................................................................................9
2.7 Details about the Modbus RTU ................................................................................9
3 Installation, connection and commissioning ............................ 10
3.1 Preliminary considerations ..................................................................................... 10
3.2 COM462RTU on the internal BMS bus ................................................................ 10
3.3 Installing the device ..................................................................................................11
3.4 Connecting the device ............................................................................................. 11
3.5 Commissioning ........................................................................................................... 13
4 Operation and configuration ........................................................ 14
4.1 Display and operating elements .......................................................................... 14
4.1.1 Automatic contrast setting for the display ....................................................... 14
4.1.2 Display in standard mode ....................................................................................... 15
4.1.3 Display in menu mode ............................................................................................. 15
4.2 Factory settings ........................................................................................................... 16
4.3 Settings on the device .............................................................................................. 16
4.3.1 Operating example: Setting BMS address ........................................................ 16
4.4 Display INFO list ..........................................................................................................18
5 Data access using Modbus RTU protocol ................................... 19
5.1 Exception code ........................................................................................................... 19
5.2 Modbus requests ........................................................................................................ 19
5.3 Modbus responses ..................................................................................................... 20
5.4 Structure of the exception code ........................................................................... 20
5.5 Modbus address structure for BMS devices ..................................................... 20