Festo CPX-M-FB20 Manual page 56

2. Commissioning
Byte assignment
of the input bytes
IB 20
Siemens mode:
IB 21
Standard mode:
8DI
Byte assignment
of the output bytes
OB 22
Siemens mode:
OB 23
Standard mode:
IB = input byte; OB = output byte; diagnostics optional
Fig. 2/2: Example 1 – byte assignment in Siemens and Standard modes
2-12
Example 1
I/O modules and VTSA pneumatics (setting 8 O)
IB 21 IB 22
IB 20 IB 23
8DI 8DO 4DO 8DI 8DO
OB 23 OB 20
OB 22 OB 21
IB 23 IB 24
IB 22 IB 25
4DO
8 O
OB 21
OB 20
Festo P.BE-CPX-FB20/21-EN en 1202a
IB 25
IB 24