9.3.2.4 Switch-off behavior in the event of a fault
The behavior of the drive always depends on the fault type and the setting of a number of dif-
ferent parameters (AXIS#.DISMODE, VBUS.UVFTHRESH, AXIS#.ZEROV, and others;
see the
WorkBench Online Help
for more details). See the
Drive Fault and Warning Mes-
sages and Remedies
section of the
WorkBench User Manual
for a table describing the spe-
cific behavior of each fault. The next pages show examples for the possible fault behaviors.
The fault relay output (DOUT9) switches the main contactor (Emergency Off circuit).
Switch-off behavior for faults that cause an immediate power stage disable
This is a category 0 stop according to IEC 60204 (
If the drive detects the motor to be at zero velocity (AXIS#.ZEROV) or timeout occurs
(AXIS#.ZEROT), the motor brake is applied (
# 84). Set parameter AXIS#.MOTOR.
BRAKEIMM to 1 with vertical axes, to apply the motor holding brake immediately after faults.
AKD2G-S Installation Manual, Safety 1 | 9 Setup
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