WAGO-I/O-SYSTEM 750 XTR
Process Image
41
750-469/040-000 2AI Thermocouple configurable /XTR
Manual
Version 1.3.0
4.3
Voltage Measurement (mV)
For the voltage measurement, the input range of
−120 mV to +120 mV is mapped
to a value range of
−18750 to +18750 at a resultion of 6.4 µV per digit. Voltage
values below 0 mV are represented in two's complement binary.
Table 32: Process Image mV Measurement ±120 mV
Voltage
mV
Numeric value
1)
Status
byte
hex.
LED
error
AI 1, 2
Binary
Hex.
Dec.
<
−120.0
'1011.0110.1100.0010'
0xB6C2
−18750
0x00
OFF
−120.0
'1011.0110.1100.0010'
0xB6C2
−18750
0x00
OFF
−90.0
'1100.1001.0001.0010'
0xC912
−14062
0x00
OFF
−60.0
'1101.1011.0110.0001'
0xDB61
−9375
0x00
OFF
−30.0
'1110.1101.1011.0001'
0xEDB1
−4687
0x00
OFF
0.0
'0000.0000.0000.0000'
0x0000
0
0x00
OFF
30.0
'0001.0010.0101.0000'
0x1250
4688
0x00
OFF
60.0
'0010.0100.1001.1111'
0x249F
9375
0x00
OFF
90.0
'0011.0110.1110.1111'
0x36EF
14063
0x00
OFF
120.0
'0100.1001.0011.1110'
0x493E
18750
0x00
OFF
> 120.0
'0100.1001.0011.1110'
0x493E
18750
0x00
OFF
Wire break
'0111.1111.1111.1111'
0x7FFF
32767
0x00
OFF
1)
Voltage values below 0 mV are represented in two's complement binary.
For the voltage measurement, the input range of
−60 mV to +60 mV is mapped to
a value range of
−18750 to +18750 at a resultion of 3.2 µV per digit.
Table 33: Process Image mV Measurement ±60 mV
Voltage
mV
Numeric value
1)
Status
byte
hex.
LED
error
AI 1, 2
Binary
Hex.
Dec.
<
−60.0
’1011.0110.1100.0010’
< 0xB6C2
< −18750
0x00
OFF
−60.,0
’1011 0110 1100 0010’
B6C2
−18750
0x00
OFF
−50.0
’1100 0010 1111 0111’
C2F7
−14062
0x00
OFF
−30.0
’1101 1011 0110 0001’
DB61
−9375
0x00
OFF
−10.0
’1111 0011 1100 1011’
F3CB
−4687
0x00
OFF
0.0
’0000 0000 0000 0000’
0000
0
0x00
OFF
10.0
’0000 1100 0011 0101’
0C35
4688
0x00
OFF
30.0
’0010 0100 1001 1111’
249F
9375
0x00
OFF
50.0
’0011 1101 0000 1001’
3D09
14063
0x00
OFF
60.0
’0100 1001 0011 1110’
493E
18750
0x00
OFF
> 60.0
>
’0100.1001.0011.1110’
> 0x493E
> 18750
0x00
OFF
Wire break
’0111.1111.1111.1111’
0x7FFF
32767
0x00
OFF
1)
Voltage values below 0 mV are represented in two's complement binary.
For the voltage measurement, the input range of
−30 mV to +30 mV is mapped to
a value range of
−18750 to +18750 at a resultion of 1.6 µV per digit.