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Analog Value
The analog values of ET 200C; AO 4
Presentation,
presented as complements of twos.
SIMATIC S7
The table below shows the analog value presentation for ET 200C;
AO 4
Table 12-33 Presentation of an Analog Input Value as Bit Pattern for SIMATIC S7 with ET 200C;
AO 4
12 Bit
Bit number
15
Analog value
DT 2
presentation
Bit 15 is without significance for the amount of the measured value. It
merely represents the sign.
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
12 Bit:
High byte
14
13
12
11
10
9
14
13
12
11
10
9
2
2
2
2
2
Analog Modules
12 Bit for SIMATIC S7 are
Low byte
8
7
6
5
4
3
8
7
6
5
4
3
2
2
2
2
2
2
2
1
0
2
1
0
2
2
2
12-39
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