Siemens SIRIUS 3RW55 Equipment Manual page 179

Switching frequency monitoring - Mode 1 (ON - ON)
①
Counter for the number of starts begins at "1".
n Maximum number of starts
t Switching frequency monitoring time t
1
t Switching frequency monitoring time t
2
Switching frequency monitoring - Mode 2 (OFF - ON)
n Maximum number of starts
t Switching frequency monitoring time t
1
t Switching frequency monitoring time t
2
Parameters
Parameters
Switching frequency monitoring mode
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
1
2
1
2
Description
Deactivated (factory setting)
The switching frequency monitoring is deactivated.
Mode 1 (ON - ON)
The switching frequency monitoring always relates to the start time of the
preceding Motor ON command and the start time of the new Motor ON com‐
mand. Comparison of the switching frequency monitoring time t
as soon as an effective switch-on command is present.
Mode 2 (OFF - ON)
The switching frequency monitoring always relates to the end time of the
preceding Motor ON command (Motor OFF) and the starting time of the new
Motor ON command. Comparison of the switching frequency monitoring
time t and t starts as soon as a switch-on command is no longer present.
1 2
Functions
8.8 Condition Monitoring
and t starts
1 2
179