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I/O Wiring Diagrams 417
Wiring I/O Diagrams
Analog Input
Make sure the Analog jumpers support the software setting; see Analog Input Module for jumper
settings.
Current
To connect channel A1 with a 2-wire shielded cable, connect the positive wire to A1+, the negative
wire to A1-, and optionally the shield to GND.
If you have the positive/negative wires reversed, the output will always read 0 (zero).
Voltage
To connect to Channel A1 with a 2-wire shielded cable, connect the positive wire to A1+, the
negative wire to A1-, and optionally the shield to GND.
If you have the positive/negative wires reversed, the polarity of the voltage will be reversed.
A3+
A3-
A4+
A4-
GND
A1+
A1-
A2+
A2-
+
-
shield
A3+
A3-
A4+
A4-
GND
A1+
A1-
A2+
A2-
+
-
shield