Example Of Addressing - Festo CPV-DI01 Manual

2. Commissioning PROFIBUS-DP

2.2.7 Example of addressing:

Extension to the CP system
1 CPV Direct (without extension)
2 CPV valve terminal with 8 double-solenoid
valves
3 CP input module, 16 inputs
Example: Input and output address (see Fig. 2/12)
1
CPV Direct
2
CPV valve
terminal with
8 valve plates
3
CP input module
with 16 inputs
Fig. 2/12: Example – Addressing the inputs and outputs of a CP system with CPV Direct
and maximum extension
Festo P.BE-CP-DI01-EN en 0007a
Please note
In S7-400 controllers, 4 bytes of addresses are always
reserved per DP identifier.
Station selection and configuration are then completed.
DP identifier
16DO
16DO
16DI
1
O20.0...21.7 O22.0...23.7
I/O address (IN/OUT)
O20.0...21.7
O22.0...23.7
I20.0...21.7
2 3
I20.0...21.7
2-25