
Note:
Resetting the safety function is not possible, if the reset circuit in the emergency stop
safety relay is open.
Parameter settings
This section gives the parameters related to the safety function. Make sure that the values
agree with the circuit diagrams delivered with the drive.
■
ACS880-07CLC/07LC/17LC/37LC drives
The parameter settings in the ACS880 primary control program:
Description
Default value
1)
Name
No.
Selects which indications are given when the Safe torque off
(STO) function is activated.
Warning/Warning
is the recom-
mended setting.
Warning/Warning
STO indication
run/stop
31.22
1) Value set by ABB at the factory for the default design.
The parameter settings in the ACS880 supply control programs:
Description
Default value
1)
Name
No.
Selects the way the supply unit is stopped when an emer-
gency stop command is received.
Stop and warning
Emergency
stop mode
121.04
Selects the source of the emergency stop signal. This para-
meter cannot be changed while the supply unit is running.
DIIL
Emergency
stop source
121.05
1) Value set by ABB at the factory for the default design.
■
ACS880 multidrives
The parameter settings in the ACS880 primary control program:
Description
Default value
1)
Name
No.
Selects a drive signal to be connected to relay output RO1.
In this case, the source is the inverted value of parameter
10.01 DI status
bit 3 (DI4).
P.10.1.3 -
2)
RO1 source
10.24
Selects the way the motor is stopped when an emergency
stop command is received.
Coast stop (Off2)
Emergency
stop mode
21.04
Selects the source of the emergency stop signal.
DI4
2)
Emergency
stop source
21.05
1) Value set by ABB at the factory for the default design.
2) Delivery-specific. Refer to the circuit diagrams.
The parameter settings in the ACS880 supply control programs:
Description
Default value
1)
Name
No.
Selects the way the supply unit is stopped when an emer-
gency stop command is received.
Stop and warning
Emergency
stop mode
121.04
Selects the source of the emergency stop signal. This para-
meter cannot be changed while the supply unit is running.
DIIL
Emergency
stop source
121.05
1) Value set by ABB at the factory for the default design.
24 Description of Q951+Q984