Configuration
7-56
48XX/49XXSHB0399
Activation of redundant encoder feedback
The redundant encoder feedback is activated by a change of the monitoring, ”Sd1”
to ”Sd4” depending on C005, from TRIP to warning (see chapter 7.7.1).
Warning!
In this case, the monitoring ”armature circuit interrupted” (ACI) cannot detect an
interruption of the armature circuit reliably.
Use the monitoring TRIP for commissioning. If the actual value encoder operates
correctly, the monitoring can be changed from TRIP to warning and thus activate
the redundant feedback.
Adjustment of the redundant feedback
An adjustment through C025, C026 and C027 is not necessary for the armature
voltage control since the gain factor must always be calculated on-line because
of the different actual value encoders.
If the system requires low speed errors when changing the load, the ”I ¼ R
compensation” should be adjusted (see chapter 7.1.2.1).
Change to the actual encoder
Change to the configuration active before if
( the controller is disconnected from the mains
( the controller is inhibited and no warning is active.
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