Siemens S5-155U System Manual page 415

System Manual
C79000-B8576-C109-03
Example:
On an analog input module with start address 160 (IB 160 = input
byte 160), input channel 3 is to be scanned by the program.
Step Action
1 Affix the self-adhesive label with address 160 on the free
field under the addressing switch on the module. ADB 5 and
ADB 7 are marked on the label.
2 Press the appropriate rockers of the addressing switch down
on the side marked by a dot on the module cover. Set the
other rockers to the opposite setting. This way sets the start
address of the module.
ADB 5 and ADB 7 results in 2
3 Enter the address 160 + 3 x 2 = 166 in the program for input
channel 3.
The 463 Analog Input Module
5 7
+ 2 = 32 + 128 = 160
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