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28
Process Image
Table 17: Process Image, Pt100, with Wire Break Diagnostics
Temperature
°C
< −200.0
−200.0
−100.0
0.0
100.0
200.0
500.0
750.0
800.0
850.0
> 850.0
Wire break at R
The measured value can exceed a decimal range of −2000 to +8500 before
limitation takes effect.
4.1.2
Pt1000
The 750-461/000-003 version calculates the resistance values of Pt1000 sensors
and outputs the data as temperature values. The temperature values are
displayed at a resolution of 1 digit per 0.1 °C in one word (16-bit). Temperature
values below 0 °C are represented in two's complement binary. As a result, 0 °C
corresponds to the numeric value 0x0000 and 100 °C to the numeric value
0x03E8 (dec. 1000). The possible numeric range corresponds to the defined
temperature range of −200 °C to +850 °C for Pt1000 sensors.
Table 18: Process Image, Pt1000, with Wire Break Diagnostics
Temperature
°C
< −200.0
−200.0
−100.0
0.0
100.0
200.0
500.0
750.0
800.0
850.0
> 850.0
Wire break at R
1) Temperature values below 0 °C are represented in two's complement binary.
The measured value can exceed a decimal range of -2000 to +8500 before
limitation takes effect.
Manual
Version 1.4.1
Resistance
Ω
Binary
10.00
'1000.0000.0000.0001'
18.49
'1111.1000.0011.0000'
60.25
'1111.1100.0001.1000'
100.00
'0000.0000.0000.0000'
138.50
'0000.0011.1110.1000'
175.84
'0000.0111.1101.0000'
280.90
'0001.0011.1000.1000'
360.47
'0001.1101.0100.1100'
375.51
'0001.1111.0100.0000'
390.26
'0010.0001.0011.0100'
> 390.26
'0010.0001.0011.0100'
'0010.0001.0011.0100'
L
Resistance
Ω
Binary
100.00
'1000.0000.0000.0001'
184.93
'1111.1000.0011.0000'
602.54
'1111.1100.0001.1000'
1000.00
'0000.0000.0000.0000'
1385.00
'0000.0011.1110.1000'
1758.40
'0000.0111.1101.0000'
2808.96
'0001.0011.1000.1000'
3604.65
'0001.1101.0100.1100'
3755.09
'0001.1111.0100.0000'
3902.62
'0010.0001.0011.0100'
> 3902.62
'0010.0001.0011.0100'
'0010.0001.0011.0100'
L
WAGO-I/O-SYSTEM 750
750-461 2AI Pt100/RTD
1)
Numeric value
Hex.
0x8001
−32767
0xF830
0xFC18
0x0000
0x03E8
0x07D0
0x1388
0x1D4C
0x1F40
0x2134
0x2134
0x2134
1)
Numeric value
Hex.
0x8001
−32767
0xF830
0xFC18
0x0000
0x03E8
0x07D0
0x1388
0x1D4C
0x1F40
0x2134
0x2134
0x2134
Status
LED
Byte
Error
Hex.
AI 1, 2
Dec.
0x41
ON
−2000
0x00
OFF
−1000
0x00
OFF
0
0x00
OFF
1000
0x00
OFF
2000
0x00
OFF
5000
0x00
OFF
7500
0x00
OFF
8000
0x00
OFF
8500
0x00
OFF
8500
0x42
ON
8500
0x42
ON
Status
LED
Byte
Error
Hex.
AI 1, 2
Dec.
0x41
ON
−2000
0x00
OFF
−1000
0x00
OFF
0
0x00
OFF
1000
0x00
OFF
2000
0x00
OFF
5000
0x00
OFF
7500
0x00
OFF
8000
0x00
OFF
8500
0x00
OFF
8500
0x42
ON
8500
0x42
ON
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