Siemens S5-135U/155U System Manual page 407

Digital
(rated input range
Measured-Value
Representation as
Value and Sign
Units Input Volt-
age in mV i V
7 6
11
S 2
4096 100.0 0 1
4095 99.976 0 1
2049 50.024 0 1
2048 50.0 0 1
2047 49.976 0 0
1024 25.0 0 0
1023 23.976 0 0
1 0.024 0 0
0 0.0 0 0
–0 0.0 1 0
–1 –0.024 1 0
–1023 – 24.976 1 0
–1024 – 25.0 1 0
–2047 – 49.976 1 0
–2048 – 50.0 1 1
–2049 – 50.024 1 1
–4095 – 99.976 1 1
–4096 –100.0 1 1
A = Active bit
E = Error bit
OV = Overflow bit
Bit 2
System Manual
C79000-G8576-C199-06
50 mV)
Byte 0
5 4 3 2 1 0 7
10 9 8 7 6 5 4
2 2 2 2 2 2 2
1 1 1 1 1 1 1
1 1 1 1 1 1 1
0 0 0 0 0 0 0
0 0 0 0 0 0 0
1 1 1 1 1 1 1
1 0 0 0 0 0 0
0 1 1 1 1 1 1
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 0 0 0 0
0 1 1 1 1 1 1
1 0 0 0 0 0 0
1 1 1 1 1 1 1
0 0 0 0 0 0 0
0 0 0 0 0 0 0
1 1 1 1 1 1 1
1 1 1 1 1 1 1
12
is interpreted as the sign.
Analog Input/Output Modules
Byte 1
6 5 4 3 2 1 0
3 2 1 0
2 2 2 2 A E OV
1 1 1 1 0/1 0/1 1
1 1 1 1 0/1 0/1 0
0 0 0 1 0/1 0/1 0
0 0 0 0 0/1 0/1 0
1 1 1 1 0/1 0/1 0
0 0 0 0 0/1 0/1 0
1 1 1 1 0/1 0/1 0
0 0 0 1 0/1 0/1 0
0 0 0 0 0/1 0/1 0
0 0 0 0 0/1 0/1 0
0 0 0 1 0/1 0/1 0
1 1 1 1 0/1 0/1 0
0 0 0 0 0/1 0/1 0
1 1 1 1 0/1 0/1 0
0 0 0 0 0/1 0/1 0
0 0 0 1 0/1 0/1 0
1 1 1 1 0/1 0/1 0
1 1 1 1 0/1 0/1 1
Overflow
Overrange
Rated
range
Overrange
Overflow
9-25