Safe Torque Off (Sto) - ABB ACS880-04 Kurzanleitung Für Die Installation

18 EN – Quick installation instructions
58.15 Communication
loss mode
58.16 Communication
loss time
Warnings and faults
￭
Warning Fault
A2A1 2281
- 2310
EN
A2B3 2330
DA
A2B4 2340
DE
- 3130
ES
- 3181
A3A1 3210
FI
A3A2 3220
FR
- 3381
IT
- 5090
NL
A5A0 5091
A7CE 6681
PL
A7C1 7510
PT
ACAB -
RU
AFF6 -
SV
- FA81
TR
- FA82
ZH

Safe torque off (STO)

The drive has a Safe torque off (STO) function in accordance with IEC/EN 61800-5-2.
It can be used, for example, as the final actuator device of safety circuits that stop
the drive in case of danger (such as an emergency stop circuit).
When activated, the STO function disables the control voltage of the power
semiconductors of the drive output stage, thus preventing the drive from generating
the torque required to rotate the motor. The control program generates an indication
as defined by parameter 31.22. If the motor is running when STO is activated, it coasts
to a stop. Closing the activation switch deactivates STO. Any faults generated must
be reset before restarting.
The STO function has a redundant architecture, that is, both channels must be used
in the safety function implementation. The safety data given is calculated for redundant
use, and does not apply if both channels are not used.
58.25 Control profile
58.26 EFB ref1 type
Aux. code Description
Current calibration Warning: Current calibration is done at the next start.
Fault: Output phase current measurement fault.
Overcurrent The output current is more than the internal limit. This can
also be caused by an earth fault or phase loss.
Earth leakage A load unbalance that is typically caused by an earth fault in
the motor or the motor cable.
Short circuit There is a short-circuit in the motor or the motor cable.
Input phase loss The intermediate DC circuit voltage oscillates due to missing
input power line phase.
Wiring or earth fault Incorrect input and motor cable connection.
DC link overvoltage Intermediate DC circuit voltage is too high.
DC link under- Intermediate DC circuit voltage is too low.
voltage
Output phase loss All three phases are not connected to the motor.
STO hardware fail- STO hardware diagnostics has detected hardware failure.
ure Contact ABB.
Safe torque off The Safe torque off (STO) function is active.
EFB comm loss Break in embedded fieldbus communication.
FBA A communica- Communication lost between drive (or PLC) and fieldbus ad-
tion apter.
Extension I/O con- The I/O extension module types and locations specified by
figuration failure parameters do not match the detected configuration.
Identification run The motor ID run occurs at the next start.
Safe torque off 1 The Safe torque off circuit 1 is broken.
loss
afe torque off 2 loss The Safe torque off circuit 2 is broken.
58.31 EFB act1 transpar- 58.101 Data I/O 1
ent source ...
58.124 Data I/O 24 time
58.33 Addressing mode