Siemens S5-135U/155U System Manual page 308

Siemens network card system manual
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Interface Modules
Setting the
Addresses
I/O Area Address
P area: F000 - F0FF
O area: F100 - F1FF
IM3 area:FC00 - FCFF
IM4 area:FD00 - FDFF
*) Factory setting
The I/O area address is set on the IM 314. This setting applies only to the
digital and analog I/O modules.
Address areas P, O, IM3 and IM4 are available. To address the digital and
analog I/O modules in these areas, set the switches by depressing the
individual rockers.
In the STEP 5 standard operation set, you only address the P and O areas.
Module addresses used in the CC cannot be used in the EU in the P area, O
area, IM3 area and IM4 area.
If you do not insert I/O modules in the central controller, an address space of
256 bytes is available in each I/O area for input/output addresses.
The following figure shows communication between the central controller
and expansion units via the IM 304 and IM 314.
7-18
Switch Setting
0 = OFF, 1 = ON
*)
S1:
0000
0001
1100
1101
irrelevant
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System Manual
C79000-G8576-C199-06
OFF
OFF
ON

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