Siemens SIRIUS 3RW5 Equipment Manual page 38

Description
3.7 Operating modes and master control function
Operating mode "Manual operation local - PC controlled"
Fetching control
In response to a command to this effect, SIRIUS Soft Starter ES (TIA Portal) actively fetches
control from any control source.
Brief overview: Window "Task Card" > Tab "Online Tools" > "SIRIUS Control Panel >
Master Control > Get Control"
Giving back control
If there is a corresponding command, SIRIUS Soft Starter ES (TIA Portal) actively gives up
the master control function to the "Automatic" mode or alternatively to the Input IN or the
digital inputs.
Brief overview: Window "Task Card" > Tab "Online Tools" > "SIRIUS Control Panel >
Master Control > Release Control"
In the following cases, the master control function is given back to input IN or the digital
inputs:
● No 3RW5 communication module installed in the 3RW5 soft starter or connected to
the 3RW50 soft starter.
● 3RW50 and 3RW52 soft starters: The parameter "Control via digital input" (Page 39) is
set to "Permanent activation".
Withdrawal of master control by other control sources
The master control function cannot be withdrawn from SIRIUS Soft Starter ES (TIA Portal)
by any control source.
Additional information
Further information on the 3RW5 soft starters can be found in the Equipment Manual of the
respective 3RW5 soft starter.
Further information on the operation of SIRIUS Soft Starter ES (TIA Portal) can be found in
the online help of SIRIUS Soft Starter ES (TIA Portal).
Messages about the mode
You will find more information on messages in chapter Messages about the mode
(Page 115).
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SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003