Siemens SIMATIC ET 200S Operating Instructions Manual page 243

Normalization Example
Presettings:
You use a single-turn encoder with 2
(resolution/360°) with the following parameter assignment:
● Encoder type: SSI-13 bit
● Number of trailing bits: 4 places
● Total steps of the absolute encoder: 512
Technological Functions
Operating Instructions, 06/2010, A5E00124867-07
(corresponds to 9 bits) = 512 steps/revolution
9
1SSI
4.6 Functions of the 1SSI
243