8
Fan Control Application Manual
AC30V series Variable Speed Drive
Abnormal Load Detect
Setup::Application::Abnormal Load Detect
Monitor::Application::Abnormal Load Detect*
When used in the Fan Control Application this feature is used to detect low load indicating belt break or belt slip.
PNO
Parameter Descriptions
1968
Enable Load Monitor
Set TRUE to enable this feature.
1969
Startup Delay
This sets the duration from when the motor is started until the load monitoring is started. This allows for inaccurate speed/load
characterisation and load estimation during start-up period.
1970
Fault Delay
This sets the duration from when the load monitor detects a LOAD FAULT until the sequencers stops the motor. This allows for
inaccurate speed/load characterisation and load estimation during start-up period.
1973
Low Warning Level
This specifies the deviation of the actual load below the expected load which will cause a LOAD LOW WARNING to be reported.
1974
Low Fault Level
This specifies the deviation of the actual load below the expected load which will cause a LOAD LOW FAULT to be reported.
1976
1977
1978
1979
Speed 1
Speed 2
Speed 3
Speed 4
These 4 parameters specify together with the 4 Load parameters below are used to characterise the expected load ‘curve’ for the
actual Speed.
1987
1988
1989
1990
Load 1
Load 2
Load 3
Load 4
See above Speed parameters.
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