WAGO I/O SYSTEM 750 XTR
Process Image 37
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
4.3
Configuration for Resistance Measuring
Resistance measuring is only possible using 2-wire devices. The measured
values are sent out directly when measuring the resistance.
In the measuring range from 10 Ω to 1.2 kΩ
, the resol
ution is 1 digit per 0.1 Ω.
Table 24: Process Image at Configuration for Measuring Range 10
Ω
... 1.2 k
Ω
Resistance
Ω
Numerical value
Status
byte
hex.
LED
Error
AI 1, AI 2
binary
hex.
dec.
0
'1110.1100.0000.0000' 0xEC00
−
5120
0x00
Off
10
'0000.0000.0110.0100'
0x0064
100
0x00
Off
100
'0000.0011.1110.1000' 0x03E8
1000
0x00
Off
200
'0000.0111.1101.0000' 0x07D0
2000
0x00
Off
300
'0000.1011.1011.1000' 0x0BB8
3000
0x00
Off
400
'0000.1111.1010.0000' 0x0FA0
4000
0x00
Off
500
'0001.0011.1000.1000'
0x1388
5000
0x00
Off
750
'0001.1101.0100.1100' 0x1D4C
7500
0x00
Off
1000
'0010.0111.0001.0000'
0x2710
10000
0x00
Off
1200
'0010.1110.1110.0000' 0x2EE0 12000
0x00
Off
> approx.
1200
'0010.0001.0011.0100'
0x2134
8500
0x42
On
Values marked with “approx.” are not calibrated.
In the measuring range from 10 Ω to 5.0 kΩ, the resolution is 1 digit per 0.5 Ω.
Table 25: Process Image Configuration for Measuring Range 10
Ω
... 5 k
Ω
Resistance
Ω
Numerical value
Status
byte
hex.
LED
Error
AI 1, AI 2
binary
hex.
dec.
0
'1110.1100.0000.0000' 0xEC00
−
5120
0x00
Off
10
'0000.0000.0001.0100' 0x0014
20
0x00
Off
100
'0000.0000.1100.1000' 0x00C8
200
0x00
Off
200
'0000.0001.1001.0000' 0x0190
400
0x00
Off
300
'0000.0010.0101.1000' 0x0258
600
0x00
Off
1000
'0000.0111.1101.0000' 0x07D0 2000
0x00
Off
2000
'0000.1111.1010.0000' 0x0FA0 4000
0x00
Off
3000
'0001.0111.0111.0000' 0x1770
6000
0x00
Off
4000
'0001.1111.0100.0000' 0x1F40
8000
0x00
Off
5000
'0010.0111.0001.0000' 0x2710 10000
0x00
Off
> approx.
5000
'0010.0111.0001.0000' 0x2710 10000
0x42
On
Values marked with “approx.” are not calibrated.
