Starting Time Monitoring - Siemens SIRIUS 3RW55 Manual

7.7.5

Starting time monitoring

Operating principle
An over/undershoot of the preset starting time can indicate an overload or underload of the
system.
Parameters
Parameters
Preset starting time
Upper limit - warning
Lower limit - warning
SIRIUS 3RW55 soft starter
Manual, 08/2018, A5E35630887002A/RS-AB/002
Description
The preset starting time (identical with the parameter of the
Automatic parameterization (Page 81)) is compared with the value
of the present actual starting time.
If the parameter has the value "0", there is no limit monitoring.
Factory setting: 10 s
•
Setting range: 0 ... 360 s
•
Increment: 0.1 s
•
During the startup phase of the motor, the present actual starting
time is checked against this limit. If it is exceeded, a warning is
generated and the motor is not switched off.
If this limit has not been reached or exceeded at the latest at the
end of the motor starting phase, then any pending warning is reset.
If the parameter has the value "0", there is no limit monitoring.
Factory setting: 0%
•
Setting range: 0 ... 400 %
•
Increment: 1%
•
During the starting phase of the motor, the current actual starting
time is checked against this limit and, if it is exceeded, any pending
warning is reset.
If this limit has not been exceeded at the latest by the end of the
motor starting phase, then a warning is generated and the motor is
not switched off. If the parameter has the value "0", there is no limit
monitoring.
Factory setting: 0%
•
Setting range: 0 ... 100%
•
Increment: 1%
•
Functions
7.7 Condition Monitoring
125