Application Examples; Installation; Wiring Precautions - Omron K3MA-J Manual

Application Examples

Monitoring interior
tank pressure
E8AA Pressure Sensor
4 to 20 mA
Pump
Tank
Discharge valve
• Monitoring gas pressure
• Inspection instruments in food or phar-
maceutical plants

Installation

1. Insert the K3MA-J into the panel cut-out hole.
2. For a waterproof installation, insert the rubber gasket onto the
body of the K3MA-J.
3. Fit the adaptor into the grooves on the left and right sides of the
rear case, then push it until it contacts the panel to secure the
K3MA-J.
Displaying/outputting
liquid level
Pa
K3MA-J
E4PA Ultra-
sonic Dis-
placement
Sensor
• Monitoring liquid level in cleaning tanks
• Water tanks, devices using chemicals,
etc.
Flowrate sensor
mm
4 to 20 mA
or 0 to 10 V
K3MA-J
• Monitoring sendout flowrate
• Water processing devices, etc.

Wiring Precautions

• Use crimp terminals.
• Tighten the terminal screws to a torque of approximately 0.5 N m.
• To avoid the influence of noise, route signal lines and power lines
separately.
Wiring
• Use the following M3 crimp terminals.
Unit Labels (Provided)
• The unit labels are not attached to the K3MA-J. Select the desired
labels from the provided sheet.
Note: For scales and gauges, use the unit labels that are specified by
the relevant laws or regulations.
Process Meter
m/min
K3MA-J
4 to 20 mA
Pump
Flowrate Sensor
5.8 mm max.
5.8 mm max.
K3MA-J
9