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Addressing
6.1
Address Assignments for Onboard I/Os
The addresses of the onboard I/Os are permanently assigned and cannot be changed by you. The
assignment is shown in the following table:
Onboard I/Os
Digital inputs, failsafe
Digital outputs, failsafe
Digital outputs, non-failsafe
Counter A, failsafe
Counter B, failsafe
Interrupt inputs, failsafe
6.2
Slot Numbering and Address Assignment for External I/Os
With 8 bus units (16 slots), each subunit can have a maximum of four tiers.
The slots are assigned ascending numbers. Numbering begins with the slot next to the basic unit.
Whether a module is plugged in or not has no effect on the numbering.
Note
The slots for subunit A are even-numbered and the slots for subunit B are odd-
numbered.
Slot numbers in subunit A
S5-95F
0
2
4
basic unit
Figure 6-2. Consecutive Numbering of Slots in a Single-Tier
6-2
6
28 30
Configuration
Byte/Word
Address
IB 32 to 33
QB 32
QB 33 to 34
IW 36
IW 38
IB 59
Slot numbers in subunit B
S5-95F
1
3
basic unit
Bit Address
I 32.0 to I 33.7
Q 32.0 to Q 32.7
Q33.0 to Q 33.3 (subunit A)
Q 34.0 to Q 34.3 (subunit B)
-
-
I 59.0 to I 59.3
5
7
29 31
EWA 4NEB 812 6210-02
S5-95F
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