Festo CPX-M-FB20 Manual page 77

2. Commissioning
Fig. 2/16: Modification of the I/O assignment (byte swap) – Example for "Standard mode"
Festo P.BE-CPX-FB20/21-EN en 1202a
If necessary, swap the high byte and the low byte (byte swap).
Note
You can select the data format in two ways:
Either via DIL switch 1.3 (see Tab. 1/2) or via the CMD
software.
Selection of data format via the CMD software:
In order to correct the byte assignment in the Siemens and
Standard modes, it will suffice to assign the appropriate
I/O address to each byte.
Individual I/O assignment at bit level is only necessary in
rare cases.
The following dialogue window shows the entries required for
swapping the assignment of the high byte and the low byte
(example: byte swap for "Standard mode").
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