Siemens SIMATIC S7-300 Manual page 223

9.3.6 Set actual value on–the–fly (job no. 14)
Overview
You can use this function to assign a new value to the actual value by means
of an external event.
Function of set ac- By transmitting the coordinates (new actual value), set actual value on-the-
tual value on-the- fly is activated.
fly
However, the Set Actual Value function is not triggered via the appropriate
digital input until "Processing in progress" = 1.
Set actual value on-the-fly can be activated again by transmitting Set actual
value on-the-fly again.
The coordinates can be reset to their original value by:
Note:
For "set actual value on–the–fly" in "Automatic" mode, see Section 9.2.6
FM 354 Servo Drive Positioning Module
Including synchronization in Reference Point Approach mode
Set reference point
Reset actual value
Restart
Description of Functions
9-47