ABB ACSM1 Firmware Manual page 102

102
22.07 ABOVE SPEED LIM
Defines the supervision limit for the actual speed.
0...30000 rpm
22.08 SPEED TRIPMARGIN
Defines, together with
speed of the motor (overspeed protection). If the actual speed
limit defined by parameter
on fault OVERSPEED.
Example: If the maximum speed is 1420 rpm and speed trip margin is 300 rpm, the drive trips at
1720 rpm.
Speed
0...10000 rpm
22.09 SPEED FB FAULT
Selects the action in case of speed feedback data loss.
(0) FAULT
(1) WARNING
(2) NO
Parameters and firmware blocks
FW block:
Supervision limit for actual speed.
FW block:
20.01 MAXIMUM SPEED
20.01 or 20.02
22.08 SPEED TRIPMARGIN
20.01 MAXIMUM SPEED
t
20.02 MINIMUM SPEED
22.08 SPEED TRIPMARGIN
Speed trip margin.
FW block:
Drive trips on a fault (OPTION COMM LOSS, ENCODER 1/2
FAILURE or SPEED FEEDBACK depending on the type of problem).
Drive continues operation with open loop control and generates an
alarm (OPTION COMM LOSS, ENCODER 1/2 FAILURE or SPEED
FEEDBACK depending on the type of problem).
Drive continues operation with open loop control. No faults or alarms
are generated.
SPEED FEEDBACK (see above)
SPEED FEEDBACK (see above)
and 20.02 MINIMUM
(1.01 SPEED
by more than 22.08 SPEED
SPEED FEEDBACK (see above)
SPEED, the maximum allowed
ACT) exceeds the speed
TRIPMARGIN, the drive trips