ABB ACS560, Firmware Manual

Page: 91 / 514

Program features 91
Overspeed protection (parameter 31.30 )
The user can set overspeed limits by specifying a margin that is added to the
currently-used maximum and minimum speed limits.
Local control loss detection (parameter 49.05 )
The parameter selects how the drive reacts to a control panel or PC tool
communication break.
AI supervision (parameters 12.03 … 12.04 )
The parameters select how the drive reacts when an analog input signal moves out of
the minimum and/or maximum limits specified for the input. This can be due to broken
I/O wiring or sensor.
Time
Current
30.17
Maximum
current
31.25
Stall current
limit
30.09
Current
limit
monitor
time
31.28
Stall
time
30.10
1)
31.24
2) 3)
Current limit
actions
Stall
function
Notes
1)
By default, displays a warning message when the drive reaches maximum current limit
( 30.17 ) and exceeds the current limit monitor time ( 30.09 ). You can configure the actions as re-
quired.
2)
The stall condition occurs when the output frequency is below the level set by parameter 31.27
Stall frequency limit or the motor speed is below the level set by parameter 31.26 Stall speed
limit .
3)
If enabled, displays a warning message when the drive reaches stall current limit ( 31.25 ) and
exceeds the stall time ( 31.28 ). You can configure the actions as required. By default, no action
is configured.