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Analog Input Terminals Section 7-4
â– Input Range:1 to 5 V
The voltage range 1 to 5 V corresponds to 0000 to 7530 hex (0 to 30,000).
The convertible data range is FA24 to 7B0C hex (
–1,500 to 31,500).
The voltage range 0.8 to 1 V corresponds to FA24 to 0000 hex (
–1,500 to 0).
If a the input voltage falls below the input range (input voltage less than
0.76 V), a disconnection is detected and the data is set to 7FFF hex.
â– Input Range: 0 to 20 mA
The current range 0 to 20 mA corresponds to 0000 to 7530 hex (0 to 30,000).
The convertible data range is FA24 to 7B0C hex (
–1,500 to 31,500). Negative
voltages are expressed as two’s complements.
Conversion data
Hexadecimal (decimal)
7B0C (31500)
7530 (30000)
0000 (0)
1 V
FA24 (−1500)
0.8 V
5 V 5.2 V
Voltage
7FFF
0.76 V
(Disconnection detected below 0.76 V.)
Clamped
above 5.2 V.
Conversion data
Hexadecimal (decimal)
7B0C (31500)
7530 (30000)
0000 (0)
0 mA
FA24 (−1500)
−1 mA
20 mA 21 mA
Current
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