Siemens SIRIUS 3RW5 Equipment Manual page 40

Description
3.7 Operating modes and master control function
Parameter
Parameter
Control via digital input
Additional information
For more information, see Chapter Operating modes (Page 32).
Further information on the 3RW5 Soft Starters can be found in the Equipment Manual of the
respective 3RW5 Soft Starter.
40
Description
Manual activation
•
On failure of the bus connection or a CPU stop the 3RW5 Soft Starter remains in the
"Automatic" mode or the 3RW5 Soft Starter switches to the "Automatic" mode.
Permanent activation
•
Switching "Automatic" mode is not possible. If the 3RW5 Soft Starter is in "Automatic"
mode, the 3RW5 Soft Starter switches to "Manual operation local - input controlled" mode.
Control by means of a higher-level control (e.g. PLC) is not possible.
Activate on bus error (factory setting)
•
On failure of the bus connection or a CPU stop, the 3RW5 Soft Starter switches from the
"Automatic" mode to the "Manual operation local - input controlled" mode or the
3RW5 Soft Starter remains in the operating mode "manual - local" mode.
No change on bus error
•
On failure of the bus connection or a CPU stop the master control function does not switch,
but the 3RW5 Soft Starter remains in the current mode.
SIRIUS 3RW5 Modbus communication module
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003