Festo CPX-FB6 Electronic 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 20
Siemens mode:
OB 21
Standard mode:
IB = input byte; OB = output byte; status bits or I/O diagnostic interface optional
Fig. 2/7: Example 5 byte assignment in Siemens and Standard modes
2−18
Example 5
Digital and analogue I/O modules and MPA pneumatics
IB 21 IB 22
IB 20 IB 23
2AI 8DI 2AO
OB 21 OB 22
OB 20 OB 23
IB 23 IB 24 IB 25
IB 22 IB 25 IB 24
8 O
OB 23 OB 24 OB 25
OB 22 OB 25 OB 24
IB 26 IB 27
IB 27 IB 26
8 O
OB 26 OB 27
OB 27 OB 26
Festo P.BE−CPX−FB6−EN en 0402b