Electrical installation
Wiring of the feedback system
Encoder connection
5
125
EDKCSEX064 DE/EN/FR 6.0
5.5.2 Encoder connection
Danger!
Valid when using an operating software up to and including V7.0:
When absolute value encoders are used, uncontrolled movements
of the drive are possible!
If an absolute value encoder is disconnected from the axis module
during operation, the fault OH3−TRIP occurs. If the absolute value
encoder now is connected to X8 again and a TRIP−RESET is carried
out, the drive may start up in an uncontrolled manner with a high
speed and a high torque. A SD8−TRIP will not occur, as would be
expected.
Possible consequences:
ƒ Death or severe injuries
ƒ Destruction or damage of the machine/drive
Protective measures:
ƒ If a fault (trip) occurs during commissioning when an absolute
value encoder is used, check the history buffer C0168. If an
Sd8−TRIP is at the second or third place, a reinitialisation is
absolutely necessary. For this purpose, switch off and on again
the 24−V supply of the control electronics.
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