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Description of Functions
Hint to the user:
You can use Retrigger Reference Point, for example, to compensate for slip-
page of the trolley in a high-bay warehouse during operation, without having
to resynchronize the axis with the Reference-Point Approach mode. When
retriggering in reference point approach with a zero pulse, be careful that the
total slippage between the reference point switch and the stepper motor does
not increase to an extent that the synchronizing zero pulse migrates to an "ad-
jacent" zero pulse!
Switch Off Enable
With the "switch off enable input" function, you can switch off evaluation of
Input
the enable input (see Section 9.8.1).
Follow-Up mode
The "follow-up mode" function is used to cancel closed-loop control of the
axis.
Deactivate end
You can use this function to deactivate monitoring of the software limit
Position
switches (see Section 9.9).
Monitoring
It can be switched on or off only if "Processing in progress" = 0.
Rotation
Rotation monitoring is performed in all operating modes. It is automatically
Monitoring
interrupted as the synchronization mark is passed in "Reference point ap-
proach" mode and in "Retrigger reference point" function.
The "rotation monitoring" function is described in Section 9.7.3.
9-40
Start
–
Zero
pulse
Reference-point switch input of the FM 453
For external movement of the axis, the actual value is tracked.
This setting can be switched on or off only if "Processing in progress" =
0.
RPS
Zero pulse for
synchronization
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Target
+
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