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Electrical installation

Wiring of the feedback system

Encoder connection

5

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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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