ABB PFSK 108 YM322001-EH Voltage monitoring module

During the drive controlled homing procedure, an ambiguous position for the home reference of the feedback and the switch flank of the home switch was determined.

The cam of the home switch must be shifted in such a manner such that an accurate homing procedure is possible. 

• Read the contents of parameter S-0-0298, reference cam shifting 

• Mechanically shift the homing cam by the amount in the parameter. 

• Re-perform the drive controlled homing procedure.

During operation of the drive in torque control or velocity control, the homing command can not be processed.

Homing of Absolute Encoder Not Possible 

If the homing command is called up by the absolute value encoder without previously processing the command P-0-0012, setting the absolute measurement, the reference command will be discontinued with this error. If the encoder was able to be homed through the "set absolute measurement", a position on the home value will be erased with the homing command. Remedy: Home the absolute encoder with the command "Set Absolute Measurement"Unequivocal allocation of a reference marker to a zero switch is not possible at a high velocity since the zero switch is only evaluated every 2 ms.

Basic Load 

When using MDD and MKD motors, the technical control adaptation of the mechanical system on the digital drive relates to the activation of the stored velocity control parameter in the motor feedback. The drive controller signals with the message C7 that the command C7 basic load was activated with the command "S-0-0262, command basic load."By pressing the S1 button on the controller with display PL or by starting the P-0-4094, Command Parameter Default Set, all parameters will be erased and set with the default value. The process blocks are lost also.

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