Siemens SIMATIC FM 353 Manual page 175

Parameterize
MD 31 − Set direction reference of
backlash
Set
Activate machine data
Set
Velocity level 1 = 0.1 @ v
Velocity level 2 = 0.5 @ v
Set
Servo enable = ON
Select
Start axis
Direction per MD31
Set meas. device to zero on ma-
chine component to be positioned
Start axis
Direction opposite MD31
Read the distance traveled on
Determine backlash value:
Backlash = increment - measured dist.
Additional testing desired for check-
Yes
Additional testing at another location
desired for averaging?
Select
Start axis
Travel to new measurement position
Set
Activate machine data
Fig. 7-12 Determining backlash and activating backlash compensation
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
max
max
BA = relative incremental
Increment = 3
OVER = 10%
measurement device
ing or for averaging?
No
Yes
BA = jogging
Speed level 2
OVER = 100%
DB increments, value 3 = e.g. 100 MSR
Measurement device, e.g. dial gauge
or laser measurement device
Please note:
Repeat of test produces negative backlash val-
ues in cases of overcompensation
No
Averaging of all subtotals
Parameterize
MD30 Add backlash figure to the
value previously in effect, using the
correct preceding sign
Yes
Check for efficacy of correc-
tion desired?
No
Starting up
END
7-27