Omron CQM1H series Operation Manual page 133

Settings
• Connect a two-conductor twisted-pair shielded cable to the Analog Output
Unit.
• Do not install power lines or high-tension lines along in close proximity to the
Analog Output Unit's output lines.
• The shielded wire must be grounded on the signal reception side.
• The negative side of each output lines are internally connected as shown in the
following diagram.
If the CQM1-IPS02 is connected to the Analog Output Unit and Analog Input
Unit, the analog GND terminal of the Analog Output Unit and that of the Analog
Input Unit will be connected to each other,
I1+
I1–
V1+
V1–
I2+
I2–
V2+
V2–
Analog GND
Section 3-1
113