Siemens SIMATIC S5 IP 281 Equipment Manual page 51

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Setting the basic PLCS S5–135U, S5–155U and S5–155H evaluate address bitsAB11 to
address for ABO.
PLCS5-135U,
r
The module can be operated in both the analog 1/0 area (P area) and the
expanded 1/0 area (Q area) when used withPLCSS5–135U, S5– 155U and
P area: 80H (128) to F8H (248), addresses F080 to FOF8
Q area: OH (0) to F8H (248), addresses F1OO to F1F8
P area
1st example:
Basic address of the module:
Selection: Q area = OFF
2nd example: Q area
Basic address of the module: A8H~ address 168 ~
Selection: Q area = ON
Set DIL switch S1 as shown below.
Switch Meaning
S1 .1 to S1 .5
S1 .6 Selection of area
SI.7 to S1.9 AB9toAB11
12/8–bit decoding
Setting is fixed.
Setting is fixed.
Hardware Settings
Setting
Basic address
Areas
OFF = P area
ON = Q area
OFF
ON
A8H ~ address 168 Q
PY168 toPY175
128 + O + 32 + O + 8
I
Basic address = 168
OYB168 toOY175
128 + O + 32 + O + 8
Basic address = 166
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