750-454 [2 AI 4-20 mA, Differential Inputs]
•
13
Process Image
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.1.7.2 Special Data Format
To digitalize the measurement value, the variation 750-454/000-002 uses
another resolution as the standard module.
For this variation, the input current ranging from 4 mA to 20 mA is scaled on
the numerical values ranging from 0x0000 to 0x0F99.
Process values of module 750-454/000-002
numerical value
Input current
binary
Status-
byte
LED
Error
4 mA - 20 mA
Measured value *
)
X F Ü
hex.
dec.
hex.
AI 1, 2
<0
not possible (Reverse voltage protection)
<4 -
∆
**
)
'0000.0000.0000.0 011' 0x0003
3 0x41 on
<4 '0000.0000.0000.0 000'
0x0000
0
0x00
off
4 '0000.0000.0000.0 000'
0x0000
0
0x00
off
6 '0000.0001.1111.0 000'
0x01F0
500
0x00
off
8 '0000.0011.1110.1 000'
0x03E8
1000
0x00
off
10 '0000.0101.1101.1 000'
0x05D8
1500
0x00
off
12 '0000.0111.1101.0 000'
0x07D0
2000
0x00
off
14 '0000.1001.1100.0 000'
0x09C0
2500
0x00
off
16 '0000.1011.1011.1 000'
0x0BB8
3000
0x00
off
18 '0000.1101.1010.1 000'
0x0DA8
3500
0x00
off
20 '0000.1111.1001.1 000'
0x0F98
3992
0x00
off
>20 '0000.1111.1001.1 001'
0x0F99
3993
0x42
off
>20 +
∆
**
)
'0000.1111.1001.1 001' 0x0F99
3993
0x42 on
*
)
status bits: X = not used, F = short-circuit, Ü = oversize
**
)
∆
= 0,1 ... 2,0 mA