ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
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Address Assignment and Installation 
3
3.1  Address assignments in the F-CPU 
Address Assignment 
The fail-safe modules occupy the following address ranges in the F-CPU: 
●  For S7 Distributed Safety: in the area of the process image 
●  For S7 F/FH systems: in the area of the process image 
Table 3- 1  Address Assignment in the F-CPU 
Occupied Bytes in the F-CPU: 
F-Module 
In Input Range  In Output Range 
PM-E F pm DC24V PROFIsafe  x + 0 to x + 4  x + 0 up to x + 4 
PM-E F pp DC24V PROFIsafe  x + 0 up to x + 4  x + 0 up to x + 4 
PM-D F DC24V PROFIsafe  x + 0 up to x + 4  x + 0 up to x + 4 
4/8 F-DI DC24V PROFIsafe  x + 0 to x + 5  x + 0 to x + 3 
4 F-DI/3 F-DO DC24V PROFIsafe  x + 0 up to x + 6  x + 0 up to x + 4 
4 F-DO DC24V/2A PROFIsafe  x + 0 up to x + 4  x + 0 up to x + 4 
1 F-RO DC24V/AC24..230V/5A  x.0 and x.1*  — 
x = Module start address 
* The bit addresses can be moved using the "Pack addresses" function. 
Addresses Occupied by Useful Data  
The useful data occupy the following addresses of the assigned addresses of the fail-safe 
modules in the F-CPU: 
Table 3- 2  Addresses Occupied by Useful Data 
Occupied Bits in F-CPU per F-Module: 
Byte in the  
F-CPU 
7  6  5  4  3  2  1  0 
PM-E F pm DC24V PROFIsafe: 
x + 0  —  —  —  —  —  Channel 
2 
Channel 
1 
Channel 
0 
PM-E F pp DC24V PROFIsafe: 
x + 0  —  —  —  —  —  —  —  Channel 
0 
PM-D F DC24V PROFIsafe: 
x + 0  —  —  Channel 
5 
Channel 
4 
Channel 
3 
Channel 
2 
Channel 
1 
Channel 
0 
4/8 F-DI DC24V PROFIsafe: