Siemens Simatic CFU User Manual

● "DI" stands for digital input
● "DQ" stands for digital output
Address space
The following tables show the allocation of the CFU PA address space (DIQ submodule without
extended functions).
Input area
The table shows the allocation of the address space of the feedback interface.
Table A-11 Address space of the CFU PA with submodule "DIQ8 DC24V/0.5A"
IB x + 7 6 5 4 3 2 1 0
0 DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
Output area
The table shows the allocation of the address space of the control interface.
Table A-12 Address space of the CFU PA with submodule "DIQ8 DC24V/0.5A"
QB x + 7 6 5 4 3 2 1 0
0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
A.9.2.2 CFU PA: Address space of the submodule DIQ8 DC24V/0.5A, Counter
Abbreviations
● "IB" stands for input byte, that is, the submodule start address in the input area
● "QB" stands for output byte, that is, the submodule start address in the output area
● "DI" stands for digital input
● "DQ" stands for digital output
● "-" stands for reserved (unused)
Address space
The following tables show the allocation of the address space of the CFU PA with the digital
input Channel 0 as counter without evaluation of the status.
Appendix
A.9 Drivers, parameters, diagnostic messages and address space
SIMATIC CFU
Commissioning Manual, 08/2019, A5E39252870-AD 195

Siemens Simatic CFU Specifications

General

Brand	Siemens
Model	Simatic CFU
Category	I/O Systems
Language	English