36 Process Image
WAGO-I/O-SYSTEM 750
750-496 8AI 0/4-20mA S.E.
Manual
Version
1.2.2
4.3.3
Special Format
4.3.3.1 Sensor Type 0 … 20 mA
For the current measurement with sensor type 0 … 20 mA, the input range of
0 … +20 mA is mapped to a process value rage of 0 … +32767. The current
underranges and overranges refer to manufacturer range violations.
Table 22: Process Image, Sensor Type 0 … 20 mA, Amount/Sign Format
Input current
mA
Numeric value
Status
Byte
Hex.
Error LED
Binary
XFÜ
1)
Hex.
Dec.
< 0
'0000.0000.0000.0 011'
0x0003
3
0x41
ON
Underrange
2)
0.0
'0000.0000.0000.0 000'
0x0000
0
0x00
OFF
2.5
'0000.1111.1111.1 000'
0x0FF8
4088
0x00
OFF
5.0
'0001.1111.1111.1 000'
0x1FF8
8184
0x00
OFF
7.5
'0010.1111.1111.1 000'
0x2FF8
12280
0x00
OFF
10.0
'0011.1111.1111.1 000'
0x3FF8
16376
0x00
OFF
12.5
'0100.1111.1111.1 000'
0x4FF8
20472
0x00
OFF
15.0
'0101.1111.1111.1 000'
0x5FF8
24568
0x00
OFF
17.5
'0110.1111.1111.1 000'
0x6FF8
28664
0x00
OFF
20.0
'0111.1111.1111.1 000'
0x7FF8
32760
0x00
OFF
Overrange
2)
'0111.1111.1111.1 011'
0x7FFB
32763
0x42
ON
> 20.0
Short circuit
3)
'0111.1111.1111.1 011'
0x7FFB
32763
0x50
ON
> 21.0
1)
Status bits: X: not used, F= error, Ü= overflow
2)
When underrange / overrange limit is ON
3)
When short circuit diagnostics is ON