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WAGO-I/O-SYSTEM 750
Process Image
83
750-464 2/4 AI RTD configurable
Manual
Version 1.0.1
7.3.11
Potentiometer
With the setting "Potentiometer", the I/O module outputs the resistance ratio
between the conneR1/-R1 and -R1/-R3 or +R2/-R2 und -R2/-R4.
Potentiometers of 1 kOhm to 5 kOhm can be used.
The set values are displayed at a resolution of 1 digit per 0.1% in one word (16-
bit). The possible numeric range corresponds to the defined measurement range of
0% to 100%.
Table 69: Process image for 750-464, "Potentiometer" setting
Percent
%
Numeric value
Status
byte
hex.
LED
error
AI 1, 2
Binary
Hex.
Dec.
0.0
'0000.0000.0000.0000'
0x0000
0
0x00
off
20.0
'0000.1111.1010.0000'
0x0FA0
4000
0x00
off
40.0
'0001.1111.0100.0000'
0x1F40
8000
0x00
off
60.0
'0010.1110.1110.0000'
0x2EE0
12000
0x00
off
80.0
'0011.1110.1000.0000'
0x3E80
16000
0x00
off
100.0
'0100.1110.0010.0000'
0x4E20
20000
0x00
off
No error detection for the "Potentiometer" setting!
Detection of a wire break or short circuit is not possible depending on the model.
An overrange or underrange is also not possible depending on the sensor.
Accordingly, the status byte is always 0x00.