Page Addressing - Siemens SIMATIC S5 Manual
Distributed i/o system
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- Manual (396 pages) ,
- Equipment manual (197 pages) ,
- Operating instructions manual (43 pages)
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9.1.2
Page addressing
Definition of page
In page addressing, 16 pages numbered from n to (n + 15) are created on
addressing
each IM 308-C. The first page number n corresponds to the number of the
IM 308-C. The number of the IM 308-C is a multiple of 16 and is entered in
COM ET 200 Windows as one of the master parameters.
In a maximum configuration, you can create 256 pages distributed across
8 IM 308-C master interfaces. The pages are assigned as follows:
Table 9-2 Assignment of pages to IM 308-C master interfaces
Example
The number of the IM 308-C is "48"; I-addr is "02P192".
Calculate the page number as follows:
Page number = 48 + 2 = 50.
Definition of page
Before you can use a page for data exchange, you must include the page in
selection address
question in the address area of the CPU. To do so, you write the number of
the desired page into the page selection address (PY 255 for P-page
addressing, QB 255 for Q-page addressing).
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
IM 308-C – addressing, diagnostics and use of the FB IM308C
Pages with numbers ...
0 to 15
16 to 31
32 to 47
...
224 to 239
240 to 255
... are on the IM 308-C with the
number:
0
16
32
...
224
240
Address
P area
Page
9
9-7
- Quick Links:
- IM 308-C Master Interface
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