Configuring
6.2 Configuring the 3RW5 soft starter in the Modbus RTU system
SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003
71
6.2 Configuring the 3RW5 soft starter in the Modbus RTU system
Requirements
● Mounted 3RW5 Modbus RTU communication module
3RW50 soft starters must also be connected to the 3RW5 communication module.
The 3RW5 soft starter automatically detects the presence of the
3RW5 communication module when it is switched on.
● Modbus RTU system
– Master
(PC, programming device or programmable logic controller, e.g. SIMATIC S7-1500)
– Slave (3RW5 Modbus RTU communication module)
● Configuration software of the controller, e.g. STEP 7
● Parameterization software, e.g.
– SIRIUS Soft Starter ES (TIA Portal) (Page 42) via local interface on the
3RW5 HMI High Feature
– Modbus RTU master
● Depending on the control system, further hardware and software components may be
required for Modbus RTU. Additional information can be found on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/58386780
).
● Fundamental knowledge in working with Modbus RTU, e.g. for the station address
(Page 82)
Note
Full functional scope
In order to be able to use 3RW5
soft starters without any difficulties and with their full range
of functions, ensure that you have the latest firmware and software updates:
3RW5 soft starter, 3RW5 communication module, 3RW5 HMI High Feature
SIRIUS Soft Starter ES (TIA Portal)
You will find current downloads and a history of the versions with new features on the
3RW5
topic page (https://support.industry.siemens.com/cs/ww/en/view/109747404).
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