SIRIUS 3RW5 Modbus TCP communication module
Manual, 03/2018, A5E43676481002A/RS-AA/001
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1 Siemens Industry Online Support ............................................................................................................ 7
1.1 Technical Assistance ................................................................................................................ 9
1.2 Additional documentation ......................................................................................................... 9
1.3 Siemens Industry Online Support app .................................................................................... 11
2 Safety information ................................................................................................................................. 13
2.1 Security information ................................................................................................................ 13
2.2 ESD Guidelines ....................................................................................................................... 14
2.3 Data security in automation .................................................................................................... 16
2.4 Recycling and disposal ........................................................................................................... 17
3 Description ............................................................................................................................................ 19
3.1 Hardware configuration ........................................................................................................... 20
3.2 Modbus TCP functions............................................................................................................ 21
3.3 frame structure ........................................................................................................................ 23
3.4 Interaction interfaces............................................................................................................... 24
3.5 Operating modes and master control function ........................................................................ 25
3.6 Modbus TCP cable ................................................................................................................. 27
3.7 Accessories ............................................................................................................................. 28
3.7.1 SIRIUS Soft Starter ES (TIA Portal) ....................................................................................... 28
4 Mounting and dismantling ..................................................................................................................... 29
4.1 Mounting the 3RW5 communication module .......................................................................... 29
4.1.1 Mounting the 3RW5 communication module on the 3RW5 Soft Starter ................................ 29
4.1.2 Break out the cover of the slot ................................................................................................ 30
4.1.3 Mount the 3RW5 communication module in the slot of the 3RW5 Soft Starter ...................... 32
4.2 Removing the 3RW5 communication module ........................................................................ 33
5 Connecting ........................................................................................................................................... 35
5.1 Connecting the bus connector ................................................................................................ 35
5.2 Removing the bus connector .................................................................................................. 37
6 Configuring ........................................................................................................................................... 39
6.1 Configuring the 3RW5 Soft Starter in the Modbus TCP system. ............................................ 39
6.2 Configuring the 3RW5 Soft Starter ......................................................................................... 41
6.2.1 Configuring 3RW5 soft starters without 3RW5 HMI High Feature ......................................... 41
6.2.2 Configuring 3RW5 soft starters with the aid of a 3RW5 HMI High Feature ............................ 42
6.2.3 IP parameters ......................................................................................................................... 44
6.3 Operation on failure of the bus connection to the controller ................................................... 45