6-5SectionI/O Wiring
111
6-5-2 Output Wiring
Wire the analog output as shown in the following illustration. Use shielded
twisted-pair cables to connect field devices.
The 4 to 20-mA current output is always output even when a voltage output (0 to
10 V or –10 to 10 V) has been set.
When using both the current and voltage outputs, the total output current must
be 21 mA or less.
Current
input
device
0 V
Analog I/O Unit
Voltage
input
device
Analog I/O Unit
0 V
Voltage Output
Shielded twisted-
pair cable
Shielded twisted-
pair cable
Current Output
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