Siemens SIMATIC ET 200S Operating Instructions Manual page 98

1Count24V
2.9 Position feedback
Modified User Data Interface
If the 1Count24V is inserted behind an IM 151 that supports the reading and writing of
broader user data interfaces, the current count value can be read from bytes 8 to 11 of the
feedback interface.
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Technological Functions
Operating Instructions, 06/2010, A5E00124867-07