Siemens Metro 21 M216KA Operator's Manual page 364

Distributed i/o device
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Configuration Frame and Parameterization Frame for the ET 200L
Note
The byte size in the DP identifiers "1" and "2" becomes the word size when
the Smart Connect is analog. The word size begins with the value 40
(for
H
1 word) and ends at 5F
(32 words).
H
If only input modules or only output modules are connected to the Smart
Connect, the byte and word size is in the DP identifier "1".
If input and output modules are connected to the Smart Connect, the byte
and word size of the outputs is in the DP identifier "1" and the byte and
word size of the inputs is in the DP identifier "2".
For the Smart Connect with digital and analog modules, the total length of
the input and output range is a maximum of 64 bytes in each case.
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
C-10
EWA 4NEB 780 6009-02c

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