Representation Of Analog Values For Resistance-Based Sensors - Siemens SIMATIC ET 200AL Manual

Representation of analog values
B.2 Representation of analog values for resistance-based sensors
B.2

Representation of analog values for resistance-based sensors

Resistance-based sensor
The following tables list the decimal and hexadecimal values (codes) of the resistance-based
sensor.
Table B- 2 Resistance-based sensor of 150 Ω and 300 Ω
Values
Dec. Hex.
32767 7FFF
32511 7EFF
27649 6C01
27648 6C00
20736 5100
1 1
0 0
Note
Negative value for 2-wire connection
A negative value is possible in these constellations:
• Configured conductor compensation > sum of conductor resistance and resistance
• Short-circuit on the input and configured conductor compensation
With a negative value the value 7FFF
limit" is signaled for the channel in question.
48
Resistance-based 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
is generated. The diagnostic message "Violation of high
H
Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Range
Overflow
Overrange
Nominal range
Equipment Manual, 08/2020, A5E48753535-AA