Analog Modules
Table 4-12 Analog Value Representation in Voltage Measuring Ranges 1 to 5 V and
0 to 10 V
System
Dec.
Hex.
32767
7FFF
5.741 V
32512
7F00
32511
7EFF
5.704 V
27649
6C01
27648
6C00
5 V
20736
5100
4 V
1 V + 144.7 mV
1
1
0
0
1 V
–1
FFFF
–4864
ED00
0.296 V
–4865
ECFF
–32768
8000
Analog Value Representation in Current Measuring Ranges
Table 4-13 Analog Value Representation in Current Measuring Ranges ± 20 mA to ± 3.2 mA
System
±20 mA
Dec.
Hex.
32767
7FFF
23.70 mA
32512
7F00
32511
7EFF
23.52 mA
27649
6C01
27648
6C00
20 mA
20736
5100
15 mA
1
1
723.4 nA
0
0
0 mA
–1
FFFF
–20736
AF00
–15 mA
–27648
9400
–20 mA
–27649
93FF
–32512
8100
–23.52 mA –11.76 mA –3.76 mA
–32513
80FF
–32768
8000
–23.70 mA –11.85 mA –3.79 mA
4-14
Voltage Measuring Range
1 to 5 V
11.852 V
11.759 V
10 V
7.5 V
0 V + 361.7 mV
0 V
Negative values not
Negative values not
possible
Current Measuring Range
±10 mA
±3.2 mA
11.85 mA
3.79 mA
11.76 mA
3.76 mA
10 mA
3.2 mA
7.5 mA
2.4 mA
361.7 nA
115.7 nA
0 mA
0 mA
–7.5 mA
–2.4 mA
–10 mA
–3.2 mA
0 to 10 V
Overflow
Overflow
Overrange
Overrange
Rated range
Rated range
Underrange
Underrange
Underflow
Underflow
Overflow
Overrange
Rated range
Underrange
Underflow
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03