Siemens SIRIUS 3RW5 Equipment Manual page 4

Table of contents
5 Connecting ........................................................................................................................................... 55
5.1 COM connecting cable ........................................................................................................... 55
5.1.1 Connecting the COM connecting cable to the 3RW50 soft starter ........................................ 55
5.1.2 Connecting the COM connecting cable to the 3RW5 communication module ...................... 57
5.1.3 Removing the COM connecting cable on the 3RW5 communication module ....................... 59
5.1.4 Remove the COM connecting cable on the 3RW50 soft starter ............................................ 60
5.2 Fieldbus .................................................................................................................................. 61
5.2.1 3RW5 Modbus TCP communication module ......................................................................... 61
5.2.1.1 Connecting the bus connector ............................................................................................... 61
5.2.1.2 Removing the bus connector ................................................................................................. 63
5.2.2 3RW5 Modbus RTU communication module ......................................................................... 64
5.2.2.1 Connecting the bus connection cable .................................................................................... 64
5.2.2.2 Removing the bus connection cable ...................................................................................... 67
6 Configuring ........................................................................................................................................... 69
6.1 Configuring the 3RW5 Soft Starter in the Modbus TCP system. ........................................... 69
6.2 Configuring the 3RW5 soft starter in the Modbus RTU system ............................................. 71
6.3 Configuring the 3RW5 Soft Starter ........................................................................................ 73
6.3.1 Configuring the 3RW5 soft starter in the Modbus TCP system ............................................. 73
6.3.1.1 Configuring 3RW5 soft starters without assistance from a 3RW5 HMI High Feature ........... 73
6.3.1.2 Configuring 3RW5 soft starters with the aid of a 3RW5 HMI High Feature ........................... 75
6.3.1.3 IP parameters ......................................................................................................................... 77
6.3.2 Configuring the 3RW5 soft starter in the Modbus RTU system ............................................. 78
6.3.2.1 Configuring 3RW5 soft starters without help from a 3RW5 HMI ........................................... 78
6.3.2.2 Configuring 3RW5 soft starters with the aid of a 3RW5 HMI ................................................. 80
6.3.2.3 Station address ...................................................................................................................... 82
6.3.2.4 Setting station address via 3RW5 HMI Standard .................................................................. 83
6.3.2.5 Port configuration and baud rate............................................................................................ 84
6.3.2.6 Silent interval time .................................................................................................................. 86
6.3.3 Access monitoring time .......................................................................................................... 87
6.4 Operation on failure of the bus connection to the controller .................................................. 88
6.4.1 3RW50 and 3RW52 Soft Starters .......................................................................................... 88
6.4.2 3RW55 and 3RW55 Failsafe Soft Starters ............................................................................ 89
7 Messages and diagnostics .................................................................................................................... 93
7.1 LED display ............................................................................................................................ 94
7.1.1 Device LEDs on the 3RW5 Modbus communication modules .............................................. 94
7.1.2 Status and error displays ....................................................................................................... 95
7.1.2.1 Status and error displays on the 3RW5 Modbus TCP communication module ..................... 95
7.1.2.2 Status and error displays on the 3RW5 Modbus RTU communication module .................... 97
7.2 Function Codes ...................................................................................................................... 98
7.2.1 Function Codes 01 (Read Coils) and 02 (Read Discrete Inputs) ........................................ 100
7.2.2 Function Codes 03 (Read Holding Registers) and 04 (Read Input Registers) .................... 101
7.2.3 Function Code 05 (Write Single Coil)................................................................................... 103
7.2.4 Function Code 06 (Write Single Register) ........................................................................... 105
7.2.5 Function Code 15 (Write Multiple Coils) .............................................................................. 106
7.2.6 Function Code 16 (Write Multiple Registers) ....................................................................... 108
7.2.7 Function Code 23 (Read/Write Multiple Registers) ............................................................. 110
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SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003