Siemens CPU 948 - Page 368

Word 19 and word 21 Structure of words 19 and 21:
Word 19
Bit no. High byte
15 0
14 0
13 0
12 0
11 Slot ID CPU 4
10 Slot ID CPU 3
9 Slot ID CPU 2
8 Slot ID CPU 1
Low byte
7 CPU type:
0010 = CPU 948
(only valid in conjunction with the CPU ID)
6
5
4
3 CPU-ID 2:
1000 = S5-155U
2
1
0
Addressable System Data Area
CPU 948 Programming Guide
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