Siemens SIMATIC FM 452 Manual page 125

9.13 Encoder Data
Definition
With the "encoder data" setting, you read the current data of the encoder and the
value of the absolute encoder adjustment.
Requirements
You can read out the value for the absolute encoder adjustment after making the
setting "set reference point" (see Section 8.4, page 8-12).
Sequence of the Setting
1. Set the trigger bit in the channel DB.
2. The data are stored in the channel DB.
Data Used in the Channel DB
Address Name
38.5 ENCVAL_EN
140.0 ENCVAL
144.0 ZEROVAL
148.0 ENC_ADJ
FM 452 Electronic Cam Controller
C79000-G7076-C452-04
Type Initial Value
BOOL FALSE
DINT L#0
DINT L#0
DINT L#0
Comment
1 = read encoder values
Encoder value / counter value (internal
representation)
Counter value at the last zero marker (internal
representation)
Absolute encoder adjustment
Settings
9-27