106 Functional Description Emotron AB 01-4429-01r2
Deviation Band width [3AB]
To define the speed deviation window within which the
VSD is in control of the motor.
Communication information
Deviation Time [3AC]
To set the time during which the deviation condition must
be active, before the inverter trips.
Communication information
LAFS Load [3AD]
To set the load below which the VFB/VFX goes into load
dependent field weakening operation.
Communication information
When set to OFF, the load dependent field weakening func-
tion is switched off.
11.4 Load Monitor and Process
Protection [400]
11.4.1 Load Monitor [410]
The monitor functions enable the VSD to be used as a load
monitor. Load monitors are used to protect machines and
processes against mechanical overload and underload, e.g. a
conveyer belt or screw conveyer jamming, belt failure on a
fan and a pump dry running. See explanation in section 7.5,
page 38.
Alarm Select [411]
Selects the types of alarms that are active.
Communication information
Alarm Trip [412]
Selects which alarm must cause a trip to the VSD.
Default: 0
Range: 0 – 4 x Sync speed
Modbus Instance no/DeviceNet no: 43191
Profibus slot/index 169/95
Fieldbus format Int, 1=1 rpm
Modbus format Int, 1=1 rpm
Default: 0.10 s
Range: 0.05 – 1 s
Modbus Instance no/DeviceNet no: 43192
Profibus slot/index 169/96
Fieldbus format Long, 1=0.001 s
Modbus format EInt
Default: Off
Off 0 Off
1–100 1–100 1% – 100%
Modbus Instance no/DeviceNet no: 43193
Profibus slot/index 169/97
Fieldbus format Long, 1=1%
Modbus format EInt
Default: Off
Off 0 No alarm functions active.
Min 1
Min Alarm active. The alarm output func-
tions as an underload alarm.
Max 2
Max Alarm active. The alarm output func-
tions as an overload alarm.
Max+Min 3
Both Max and Min alarm are active. The
alarm outputs function as overload and
underload alarms.
Modbus Instance no/DeviceNet no: 43321
Profibus slot/index 169/225
Fieldbus format UInt
Modbus format UInt
Default: Off
Selection: Same as in menu [411]
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