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Analog Input Terminals Section 7-4
DRT2-AD04
DRT2-AD04H
Input Range and
Conversion Data
The analog data that is input can be converted to digital data according to the
input range, as described here. If the input exceeds the input range, the AD
conversion data will be fixed at the upper or Low Limit.
DRT2-AD04 Input Ranges
â– Input Range: 0 to 5 V
The voltage range 0 to 5 V corresponds to 0000 to 1770 hex (0 to 6,000). The
convertible data range is FED4 to 189C hex (
–300 to 6,300). Negative volt-
ages are expressed as two’s complements (16 bits). When a disconnection
occurs, the data equivalent to 0 V input will be used (0000 hex).
AG NC
I0
+
I1
+
I2
+
V3
+
V1
+
V2
+
V2
−
V1
−
AG
V0
+
V0
−
AG
V3
−
AG
I3
+
NC
0 V
0 V
Current input
Voltage input
Short the corresponding V+ and I+ terminals when
inputting a current, using the enclosed short bars.
NC
NC
I0
+
I1
+
V2
+
V3
+
V1
+
V1
−
NC
V0
+
V0
−
NC
V3
−
I3
+
0 V
0 V
NC
NC
V2
−
I2
+
Short the corresponding V+ and I+ terminals when
inputting a current, using the enclosed short bars.
Current input
Voltage input
189C (6300)
1770(6000)
0000 (0)
0 V
FED4 (−300)
−0.25 V
5 V 5.25 V
Conversion data
Hexadecimal (decimal)
Voltage
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