ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
23
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 process image area
Table 3-1
Address Assignment in the F-CPU
Occupied bytes in the F-CPU:
F-module
In input range
In output range
8/16 F-DI DC24V PROFIsafe
x + 0 to x + 7
x + 0 to x +3
4/8 F-DI/4 F-DO DC24V/2A PROFIsafe
x + 0 to x +6
x + 0 to x +4
F-Switch PROFIsafe
x + 0 to x + 6
x + 0 to x + 4
x = Module start address
Addresses Occupied by User Data
Of the assigned fail-safe module addresses in the F-CPU, the user data occupy the
following:
Table 3-2
Addresses Occupied by Input User Data
Occupied bits in F-CPU per F-module:
Bytes in the
F-CPU
7
6
5
4
3
2
1
0
8/16 F-DI DC24V PROFIsafe:
x + 0
Channel
7
or 0 (SIL3)
Channel 6
or 0 (SIL3)
Channel 5
or 0 (SIL3)
Channel 4
or 0 (SIL3)
Channel 3 Channel 2 Channel 1 Channel 0
x +1
Channel
15
or 0 (SIL3)
Channel
14
or 0 (SIL3)
Channel
13
or 0 (SIL3)
Channel
12
or 0 (SIL3)
Channel 11
Channel 10
Channel 9
Channel 8
4/8 F-DI/4 F-DO DC24V/2A PROFIsafe:
x + 0
Channel
7
or 0 (SIL3)
Channel 6
or 0 (SIL3)
Channel 5
or 0 (SIL3)
Channel 4
or 0 (SIL3)
Channel 3 Channel 2 Channel 1 Channel 0
F-Switch PROFIsafe:
X + 0
0
0
0
0
0
0
Channel 1 Channel 0
x = Module start address
