Aventics AES Serie Systembeschreibung Seite 102

AVENTICS | AES I/O Modules, Analog | R412018147–BAL–001–AG
102
Structure of the I/O Module Data
Table 44: Value ranges of the process data of the inputs for "standardized 16 bits two's complement" data
format (2AI2AO2M12-AE)
Nominal value of the
Resolution
measurement range
to
4 20 mA
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).
6.3.6.4 Process data of the inputs for "16 bits direct" data format
Input values 0–65535 have to be converted corresponding to the selected measurement range.
Table 45: Structure of the process data of the inputs for "16 bits direct" data format (2AI2AO2M12AE)
Bit Bit Bit Bit
15 14 13 12
D15 D14 D13 D12
D.. : Value of the bit (0/1)
Table 46: Value ranges of the process data of the inputs for "16 bits direct" data format (2AI2AO2M12AE)
Nominal value of the
measurement range
0 to 10 V
0 to 20 mA
±10 V
±20 mA
2 to 10 V
4 to 20 mA
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).
Value
10.0 V
10.2 V
>10.2 V
1 μA/bit 0 mA
4 mA
4.001 mA
20 mA
20.4 mA
> 20.4 mA
Bit Bit Bit Bit
11 10 9 8
D11 D10 D9 D8 D7
Resolution
0.15625 mV/bit
0.3125 μA/bit
0.3125 mV/bit
0.625 μA/bit
0.1221 mV/bit
2.000122 V
0.2441 μA/bit
4.000244 mA
Example
D0–D15
Decimal
10000
10200
32767
1)
4000
4000
4001
20000
20400
32767
Bit Bit Bit Bit Bit
7 6 5 4 3
D6 D5 D4 D3
Example
D0–D15
Value
Decimal
0 V 0
0.156 mV 1
10.24 V 65535
0 mA 0
0.312 μA 1
20.48 mA 65535
-10.24 V 0
0 V 32767
10.24 V 65535
-20.4 mA 0
0 mA 32767
20.48 mA 65535
1)
0 V 0
2 V 0
1
10.24 V 65535
1)
0 mA 0
4 mA 0
1
D0–D15
Hexadecimal
2710
27D8
7FFF
1)
0FA0
0FA0
0FA1
4E20
4FB0
7FFF
Bit Bit Bit
2 1 0
D2 D1 D0
D0–D15
Hexadecimal
0000
0001
FFFF
0000
0001
FFFF
0000
7FFF
FFFF
0000
7FFF
FFFF
1)
0000
0000
0001
FFFF
1)
0000
0000
0001