Siemens SIRIUS 3RW51 Equipment Manual page 104

Functions
8.10 Response to bus errors / Control via digital input
If, on failure of the bus connection or CPU stop, the 3RW51 soft starter remains in the
"Automatic" mode or switches to the "Automatic" mode, you can switch to the operating mode
"manual - local" by means of the following procedures:
• Change the setting of the parameter "Control via digital input" by means of a key combination
on the 3RW51 soft starter.
• Remove the 3RW5 communication module. Then restore the 3RW51 soft starter on the
device to the factory setting (Page 155) in order to switch to the "Manual operation
local ‑ Input controlled" mode.
Additional information
You will find further information in chapter Operating modes and master control function
(Page 22).
You will find further information about operation on failure of the bus connection to the control
in the manual for the 3RW5 communication module in question.
You will find further information on removal of the 3RW5 communication module in the manual
of the relevant 3RW5 communication module.
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Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
SIRIUS 3RW51 Soft Starter