Configuration 313
Configuring the safety encoder interface
How to configure the safety encoder interface
To configure the safety encoder interface, set the drive and FSO parameters listed
below to appropriate values using the Drive composer pro PC tool. See parameter
groups Safety, S_ENCGEN, Enc module settings (91) and Encoder 1 configuration
(92) on pages 402 - 441 and the drive firmware manual.
Example: The pulse encoder interface module type is FSE-31 and it is installed in
Slot 2 on the drive control board. One HTL encoder is used.
Set these drive parameters in the Parameters view of the Drive composer pro PC
tool:
• The motor speed feedback during motor control is from Encoder 1:
ACS880: 90.41 Motor feedback selection = Encoder 1
DCS880: 90.41 M1 feedback selection = Encoder 1
• The drive generates a warning if an encoder failure occurs:
ACS880: 90.45 Motor feedback fault = Warning
DCS880: 31.35 Motor feedback fault = EMF/Warning.
Make sure that the following parameter has the correct default values:
• Encoder cable channels A, B and Z are monitored for wiring faults:
92.21 Encoder cable fault mode = A+, A-, B+, B-, Z+, Z-.
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