Representation Of Analog Values For Resistance-Type Sensors - Siemens 181 Workshop Manual

B.3 Representation of analog values for resistance-type sensors
B.3

Representation of analog values for resistance-type sensors

The following tables list the decimal and hexadecimal values (codes) of the possible
resistance-type sensor ranges.
Table B- 6 Resistance-type sensors from 150 Ω to 6000 Ω
Values
Dec. Hex.
32767 7FFF
32511 7EFF
27649 6C01
27648 6C00
20736 5100
1 1
0 0
-32768 8000
If the resistors are not connected correctly or the conductor resistance is too high
1
Analog input module AI 4xRTD/TC 2-/3-/4-wire HF (6ES7134-6JD00-0CA1)
Manual, 02/2014, A5E03573289-AD
Resistance-type sensor range
150 Ω 300 Ω
> 176.38 Ω > 352.77 Ω
176.38 Ω 352.77 Ω
150 Ω 300 Ω
112.5 Ω 225 Ω
5.43 mΩ 10.85 mΩ
0 Ω 0 Ω
(negative values are physically impossible)
600 Ω 3000 Ω
> 705.53 Ω > 3527.7 Ω
705.53 Ω 3527.7 Ω
600 Ω 3000 Ω
450 Ω 2250 Ω
21.70 mΩ 108.5 mΩ
0 Ω 0 Ω
Representation of analog values
Range
6000 Ω
> 7055.3 Ω Overflow
7055.3 Ω Overrange
6000 Ω Nominal range
4500 Ω
217 mΩ
0 Ω
Underflow
1
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