Def/FbEq16/32DescriptionName/ValueNo.
na/1=1Displays the revolution counter extension.Enc1 revol
extension
90.13
The counter is incremented when encoder position
wraps around in the positive direction, and decremen-
ted in the negative direction.
The parameter is effective only if the position is abso-
lute.The parameter value is updated for both single-
turn and multiturn encoders.
This parameter is read-only.
estimateSelects the source of motor speed and motor position
used as feedbacks for speed control and motor
model.
Motor feed-
back sel
90.41
0A calculated speed estimateestimate
1Actual speed measured by encoder 1.Encoder 1
3 msDefines a filter time for motor speed feedback used
for control.
Motor speed
filt time
90.42
1=1 ms/1=1 msMotor speed filter time.0 … 10000
ms
FaultSelects how the drive reacts to loss of measured
motor feedback.
Motor feed-
back fault
90.45
0Drive trips on a 7301 Motor speed feedback fault.Fault
1Drive generates a A7B0 Motor speed feedback
warning and continues operation using estimated
feedbacks.
Warning
Note: Before using this setting, test the stability of
the speed control loop with estimated feedback by
running the drive on estimated feedback (see 90.41
Motor feedback sel).
NoDefines the speed feedback used for motor control.Force open
loop
90.46
0The motor model uses the feedback selected by 90.41
Motor feedback sel.
No
1The motor model uses the calculated speed estimate
(regardless of the setting of 90.41 Motor feedback
sel, which in this case only selects the source of
feedback for the speed controller).
Yes
YesEnables motor encoder drift detection.Enable motor
encoder drift
detection
90.47
0Does not generate an error if encoder drift is detected.No
1
Generates fault 7301 Motor speed feedback if en-
coder drift is detected.
Yes
￭ Encoder adapter settings
These parameters display the configuration of the encoder interface modules.
216 BTAC-02 pulse encoder interface module
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