Siemens SIMATIC FM 353 - Set Actual Value (Write Request in the User DB, DBX38.7)

Description of Functions
9-48
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
9.3.5 Set actual value (Write request in the user DB, DBX38.7)
Overview
You can use this function to assign a new value to the current actual value.
Function of set actual value
By transmitting the coordinates, the actual value is set to this value when the axis
is not in motion (after selecting “Processing in progress” = 0). The coordinates of
the software limit switches remain unchanged.
Example of setting actual value:
Machine
axis
Working range,
Start = 0
Target pos.
= 120
Working range,
End = 200
Set actual
value to 150
Working range,
End = 200
Working range,
Start = 0
Target posi-
tion = 120
Machine
axis
Actual position
= 100
Actual position = 150
Fig. 9-2 Set actual value
The coordinates can be reset to their original value by:
S Including synchronization in Reference Point Approach mode
S Set reference point
S Remove setting actual value
S Restart