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142
7-3. D/A Converter Board
4. Wiring
■
Pin layout
Notes:
• The voltage and current range cannot be used on the same channel at one time.
The terminals of the unused range should be left open.
• Use the 24 V terminal of the output terminal or the expansion power supply connector for the D/A
converter board power supply.
• Refer to page 61, “6) Wiring for I/O terminals”, for the wiring.
• To prevent electric and magnetic interference, use shielded twisted-cable (two-core type) for output
terminal.
• Keep the main circuit wiring away from high voltage lines. Do not bundle signal cables and high voltage
lines together.
• The shielded cable should be grounded to the output field device. Depending on the noise conditions, if
might be better not to ground the cable or to connect the cable to the output signal common side.
V1
–
V1+
•
V0+
V0
–
I0+
I0
–
I1+
I1
– •
0V
24V
CH1
CH0
+
–
E
Output field device
Output field device
+
–
E
• With current
output
• With voltage
output
12
1
Output terminal
Expansion power
supply connector
0V
0V
(5V)
24V
Not connected
■
Wiring example
Содержание FP-M Hardware
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