BECKHOFF BK2000 - Manual (Page 26)

Annex
26 BK2000
enables allocation of the bytes to the addresses of the controller's process
image. The control/status bytes of the analog channels can also be
included if required.
Examples S2100 Setup Digital Terminals
Example 1
1 coupler + 12 terminals 2 channel Digital In + 4 terminals 2channel Digital
Out
Example 2