8
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
•
Attach the wires of your MNU IS to your control system according to the pinout table on page 4.
• Electrical Installation
NOTE
: Do not mount the sensor where the beam will intersect objects such as fill
streams, pipes, ladder rungs, wall seams, or corrugated tank walls.
•
Mounting Instructions
Mounting your MNU IS is easy if you follow a few simple steps:
•
Never over-tighten the sensor.
•
Always screw in your sensor by hand to avoid cross-threading. Thread failure can be a problem if you
damage threads by over-tightening them or by crossing threads.
IMPORTANT
: Do not over tighten! The sensor should be threaded in only hand tight.
•
Ensure that power to the sensor is off.
•
Disconnect cable to sensor.
•
Remove the sensor and store it in a dry place, at a temperature between -30°C and 60°C (-22°F to
140°F), unless otherwise specified.
•
If the sensor was installed in a hazardous location, ensure that the cable will not energize while the
sensor is disconnected.
• Removal Instructions
•
Download the APG Modbus software zipfile from
http://apgsensors.com/support
.
•
Open the zip file.
•
Choose “Install” from the options at the top of the zip file window.
•
The installation process will prompt you as needed to complete the installation.
•
The software will create APG_Modbus.exe which will run from a folder in your start menu titled “APG/
APG_Modbus”.
• Software Installation
DANGER
: Do not disconnect equipment installed in hazardous locations unless power
has been switched off or area is known to be non-hazardous.
IMPORTANT
: Some manufacturer’s Modbus equipment uses reversed TX+/TX- pins.
When making connections to any Modbus equipment, reversing connections may be nec-
essary if sensor does not communicate with controller.
