Teach In (Write Request In The User Db, Dbx39.7) - Siemens SIMATIC FM 353 Manual

9.3.8

Teach in (Write request in the user DB, DBX39.7)

Overview
In a program block selected with the program number and block number, the cur-
rent actual position is entered as a position setpoint (Caution: This is an absolute
position).
The Teach-in facility is possible only in the following modes:
S Jogging
S Incremental Relative
S MDI
and while the axis is not in motion.
The program and the appropriate program block must be present on the FM 353
(see Parameterization, Chapter 5).
9.3.9 Set reference point (Write request in the user DB, DBX38.6)
Overview
You can use this function to synchronize the axis without reference point approach.
Function
With Set Reference Point, a position value at the instantaneous position of the
axis, indicated as a parameter, is accepted as an actual value.
"Set reference point" is not possible during machining ([BL] = 1) and will only come
into effect after machining ([BL] = 0).
This function is not effective in "Automatic" mode (mode 08) or in "Automatic
Single block" mode (mode 09).
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Description of Functions
9-51