Data Formats And Value Ranges Of Input Module 4Ai4M12E - Aventics 2AI2M12-E Description Du Système Et Notice D'emploi

AVENTICS | AES I/O Modules, Analog | R412018147–BAL–001–AG
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Structure of the I/O Module Data
6.3.4

Data formats and value ranges of input module 4AI4M12E

6.3.4.1 Process data of the inputs for "8 bits two's complement" data format
Table 28: Structure of the process data of the inputs for "8 bits two's complement" data format (4AI4M12-E)
Bit 7 Bit 6
D7 D6
D: Value of the bit (0/1)
Table 29: Value ranges of the process data of the inputs for "8 bits two's complement" data format
(4AI4M12-E)
Nominal value of the
Resolution
measurement range
to
0 10 V 100 mV/bit
to
2 10 V 64 mV/bit
to
0 20 mA 200 μA/bit
to
4 20 mA 128 μA/bit
D.. : Value of the bit (0/1)
1)
In this operating mode, monitoring for a wire break is not possible (see "6.2 Diagnostic data" on page 86).
Bit 5 Bit 4 Bit 3
D5 D4 D3
Value
0.0 V
0.1 V
10.0 V
12.7 V
>12.7 V
2.0 V
2.064 V
10.0 V
10.13 V
>10.13 V
0.0 mA
0.16 mA
20.0 mA
25.4 mA
>25.4 mA
4.0 mA
4.128 mA
20.0 mA
20.26 mA
>20.26 mA
Bit 2 Bit 1 Bit 0
D2 D1 D0
Example
D0–D7 D0–D7
Decimal Hexadecimal
0 00
1 01
100 64
127 7F
127 7F
1) 1)
0 00
1 01
125 7D
127 7F
127 7F
0 00
1 01
100 64
127 7F
127 7F
1) 1)
0 00
1 01
125 7D
127 7F
127 7F