Siemens SIMATIC FM 353 - Request Application Data (Write Request in the User DB, DBX39.6)

Description of Functions
9-50
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
9.3.7 Request application data (Write request in the user DB,
DBX39.6)
Overview
A selection of up to four display data items whose values can be read out with
“read application data” (see Section 9.3.13).
Code table:
Code Significance
0 No parameter request
1 Actual position
2 Actual speed
3 Residual distance
4 Set position
5 Total current coordinate shift
6 Rotational speed
16 Frequency output value
17 Pulse output counter (0...2
16
−1) [pulse]
20 Difference between target and actual position [MSR]
22 Switch adjustment in “Reference point approach” mode
The code should be entered in CODE_AP1 − AP4.
These values are always updated in the FM cycle.
The selection is stored on the FM, i.e. you need make the selection only once to
read the corresponding values cyclically afterwards (user DB, DBX43.6).