Siemens SIMATIC FM 453, Manual

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7-35
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Use the following flow chart to check axis travel to a target position.
Set
Set reference point with value 0
END
External measurement device options in-
clude:
S
Laser measurement device
S
Linear scale with position indicator
S
Dial gauge
S
Measurement scale featured on axis
Start axis
Set
Servo = ON
Set
Speed level 1 = 0.5 V
max
Speed level 2 = 0.5 V
max
Select
BA = relative incremental
Increment = 254
OVER = 10%
Plus or minus direction
(be sure there is enough room!)
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).
Yes
No
Repeat basic startup, see
Figure 7-7
Direction OK?
Check check-back signal “SYN”
Set
Setpoint for increment
Check position actual value using ex-
ternal measurement device
Amount OK?
Additional testing desired?
Select
OVER = 1--200 %
Yes
Yes
No
No
254 = Setpoint value for increment
Fig. 7-19 Positioning Verification
Positioning
Starting up the FM 453