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Positioning
Use the following flow chart to check axis travel to a target position.
Select
BA = relative incremental
Increment = 254
OVER = 10%
Set
Speed level 1 = 0.5
Speed level 2 = 0.5
Set
Set reference point with value 0
Check check-back signal "SYN"
Set
Servo = ON
Set
Setpoint for increment
Start axis
Plus or minus direction
(be sure there is enough room!)
Check position actual value using ex-
ternal measurement device
Additional testing desired?
Select
OVER = 1--200 %
Fig. 7-19 Positioning Verification
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
V
max
V
max
No
Direction OK?
Yes
No
Amount OK?
Yes
No
Yes
Starting up the FM 453
254 = Setpoint value for increment
Depending on traversing speed of test
movement, select any travel distance in-
crement which is great enough to ensure
that the set speed is reached within the
speed profile of the test movement. (Pre-
liminary computation or evaluation of the
frequency display in the service data).
External measurement device options in-
clude:
Laser measurement device
Linear scale with position indicator
Dial gauge
Measurement scale featured on axis
Repeat basic startup, see
END
Figure 7-7
7-35
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