Parameters 193
Const
Bit pointer setting (see
on page
).
-
Pointer
30.02
Speed ref safe
Defines the safe speed reference that is used with the
setting of supervision parameters
or
upon an alarm.
This speed is used when the parameter is set to
-30000 … 30000
rpm
Safe speed reference.
1 = 1 rpm
30.03
Local ctrl loss
Selects how the drive reacts to a control panel or PC tool
communication break.
No
No action taken.
0
Fault
Drive trips on fault LOCAL CTRL LOSS.
1
Spd ref Safe
The drive generates alarm LOCAL CTRL LOSS and sets the
speed to the speed defined by parameter
WARNING!
Make sure that it is safe to continue
operation in case of a communication break.
2
Last speed
The drive generates alarm LOCAL CTRL LOSS and freezes
the speed to the level the drive was operating at. The speed
is determined by the average speed over the previous 10
seconds.
WARNING!
Make sure that it is safe to continue
operation in case of a communication break.
3
30.04
Mot phase loss
Selects how the drive reacts when a motor phase loss is
detected.
No
No action taken.
0
Fault
The drive trips on fault MOTOR PHASE.
1
30.05
Earth fault
Selects how the drive reacts when an earth fault or current
unbalance is detected in the motor or the motor cable.
No
No action taken.
0
Warning
The drive generates alarm EARTH FAULT.
1
Fault
The drive trips on fault EARTH FAULT.
2
30.06
Suppl phs loss
Selects how the drive reacts when a supply phase loss is
detected.
No
No action taken.
0
Fault
The drive trips on fault SUPPLY PHASE.
1
30.07
Sto diagnostic
Selects how the drive reacts when it detects the absence of
one or both Safe torque off (STO) signals.
Note:
This parameter is for supervision only. The Safe torque
off function can activate even when this parameter is set to
For general information on the Safe torque off function, see
the
Hardware manual
of the drive, and
Application guide -
Safe torque off function for ACSM1, ACS850 and ACQ810
drives
(3AFE68929814 [English]).
Fault
The drive trips on SAFE TORQUE OFF when one or both of
the STO signals are lost.
1
No.
Name/Value
Description
FbEq
Summary of Contents for ACS850 series
Page 1: ...ACS850 Firmware Manual ACS850 Standard Control Program ...
Page 4: ......
Page 56: ...56 Control locations and operating modes ...
Page 262: ...262 Parameters ...
Page 310: ...310 Fault tracing ...
Page 348: ...348 Control through a fieldbus adapter ...
Page 358: ...358 Drive to drive link ...