Bosch PIF6..T1.. Spezifikationen PDF herunterladen (Seite 25)

ECODRIVE Drive Controller DKC02.1

DOK-ECODRV-SSE-03VRS**-WAR1-EN-P • 12.96 Error Diagnostic Messages 2-15

F879, Crossing Velocity Limit (S-0-0091) Value

In torque control mode, the actual velocity is monitored. This error is

generated if the velocity that has been programmed in the parameter S-

0-0091, Bipolar Velocity Limit Value is exceeded (1.125-fold value,

minimum 100 rpm).

Cause:

The command torque is higher than the load torque. This causes the

actual velocity to be increased up to the maximum possible motor speed.

Remedial action:

Assign the correct torque command value for the required task. Reduce

the parameter S-0-0092, Bipolar Torque/Force Limit Value.

F895 4 kHz Fault

Description:

The 4-kHz signal that is used for producing the resolver signals is

synchronized with software processing. This error message is generated

in the case of a synchronization error.

Cause:

1. Incorrect synchronization of resolver excitation voltage and

software

2. The error could be caused by an electrostatic discharge.

Remedial action:

Ref. 1. Replace the drive controller and return it to the factory for

inspection

Ref. 2 Cycle the power to all units off and back on. If this does not lead

to a positive result: Replace the drive controller and return it to

the factory for inspection

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Bosch PIF6..T1.. Spezifikationen Seite 25