Siemens CPU 948 Programming Manual page 344

Simatic s5 s5-155u
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Bit Assignment of the System Data Words
System data RS 5
Example
8 - 20
Current cycle time
Address: E F005H
Table 8-5
Bits of RS 5 (cycle time)
High byte and low byte
Bit no.
Assignment
15
14
13
12
11
10
9
The entered binary value * 10 msec. equals the
cycle time of the cycle processed last
8
7
6
5
4
3
2
1
0
Bit no. 15 14 13 12 11 10 9
Value
0
0
0
0
The time of the last cycle is as follows:
4
3
(2
+ 2
)
10 ms = (16 + 8)
*
8
7
5
4
0
0
0
0
0
0
1
10 ms = 240 ms
*
CPU 948 Programming Guide
C79000-G8576-C848-04
3
2
1
0
1
0
0
0

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