34
Process Image
WAGO-I/O-SYSTEM 750
750-469 2AI Thermocouple
Manual
Version 1.1.0
Table 27: Process Image 750-469/000-206, Type J, with broken wire diagn.
Temperature
°C
Numercial value
1)
Status-
byte
hex.
LED
Error
AI 1, 2
binary
XFÜ
hex.
dec.
< -100.0
'1111.1100.1110.0
001'
0xFCE1
-799
0x41
on
-100.0
'1111.1100.1110.0
000'
0xFCE0
-800
0x00
off
-50.0
'1111.1110.0111.0
000'
0xFE70
-400
0x00
off
0.0
'0000.0000.0000.0
000'
0x0000
0
0x00
off
50.0
'0000.0001.1001.0
000'
0x0190
400
0x00
off
100.0
'0000.0011.0010.0
000'
0x0320
800
0x00
off
200.0
'0000.0110.0100.0
000'
0x0640
1600
0x00
off
400.0
'0000.1100.1000.0
000'
0x0C80
3200
0x00
off
600.0
'0001.0010.1100.0
000'
0x12C0
4800
0x00
off
800.0
'0001.1001.0000.0
000'
0x1900
6400
0x00
off
1000.0
'0001.1111.0100.0
000'
0x1F40
8000
0x00
off
1100.0
'0010.0010.0110.0
000'
0x2260
8800
0x00
off
1200.0
'0010.0101.1000.0
000'
0x2580
9600
0x00
off
> 1200.0
'0010.0101.1000.0
001'
> 0x2581
> 9601
0x42
on
Broken wire
'0111.1111.1111.1
010'
0x7FFA
32762
0x42
on
1)
Status information: X: not used, F: short-circuit, broken wire, Ü: overrange
2)
Temperature values below 0 °C are represented in two’s complement binary form.
4.3
I/O Modules for Voltage Measuring (mV)
When measuring the voltage, the input range is mapped to a range of values
between -18750 and +18750. Voltage values below 0 mV are represented in two’s
complement binary form.
For the measuring range ± 120 mV the resolution is 6.4 µV per digit.
Table 28: Process Image 750-469/000-003, mV measuring ±120 mV, with broken wire diagn.
Voltage
mV
Numercial value
1)
Status-
byte
hex.
LED
Error
AI 1, 2
binary
hex.
dec.
< -120.0
'1011.0000.0000.0000'
0xB000
-20480
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
'0111.1111.1111.1111'
0x7FFF
32767
0x00
off
1)
Voltage values below 0 mV are represented in two’s complement binary form.