Starting up
7-20
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Positioning
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
include:
S Laser measurement device
S Linear scale with position indicator
S Dial gauge
S Measurement scale featured on axis
Start axis
Set
Servo enable = ON
Set
Speed level 1 = 0.5V
max
Speed level 2 = 0.5V
max
Select
BA = relative incremental
Increment = 254
OVER = 10%
Plus or minus direction
(make sure travel area is clear!)
Depending on traversing speed of test move-
ment, select any travel distance increment which
is great enough to ensure that the set speed is
reached within the speed profile of the test move-
ment. (Preliminary computation or evaluation of
the frequency display in the service data).
Yes
No
Repeat basic startup, see
Figure 7-8
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. 7-9 Positioning verification
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