General; Introduction; Firmware Revision; Features - Maretron CLM100 User Manual

1 General

1.1 Introduction

Congratulations on your purchase of the Maretron Current Loop Monitor (CLM100). Maretron
has designed and built your monitor to the highest standards for years of reliable, dependable,
and accurate service.
Maretron's CLM100 converts commercially available 4-20mA transducers into digital data so a
wide variety of information can be displayed on compatible NMEA 2000
4-20mA transducers are supported by the CLM100 including transducers for monitoring DC
voltage and current, flow rate, distance, linear velocity and acceleration, angle, angular velocity
and acceleration, temperature, humidity, resistance, strain gauges, force (load cell), pressure,
decibels, and rotational rate. Some typical applications where the CLM100 is used together
with a commercial available 4-20mA transducer include machinery monitoring using
accelerometers and vibration sensors. Vibration monitoring of pumps, motors, fans,
compressors, and gear boxes provides an early warning of potential problems resulting fewer
breakdowns and reduced maintenance expenses. Another application example using the
CLM100 is shaft speed monitoring. A commercially available 4-20mA rotational rate sensors is
coupled to the shaft of interest and the CLM100 converts the transducer to an RPM that can
be read on by a compatible NMEA 2000
exerted on a mast stay or perhaps a vessel tow attachment point, commercially available
clevis pins with 4-20mA interface can be connected to the CLM100 and the corresponding load
monitored using any of Maretron's display products.
The Maretron CLM100 is designed to operate within the harsh demands of the marine
environment. However, no piece of marine electronic equipment can function properly unless
installed, calibrated, and maintained in the correct manner. Please read carefully and follow
these instructions for installation, calibration, and usage of the Maretron CLM100 in order to
ensure optimal performance.

1.2 Firmware Revision

This manual corresponds to CLM100 firmware revision 1.0.0.

1.3 Features

The Maretron CLM100 has the following features:
 NMEA 2000
®
 Adapts up to six 4-20mA transducers to the NMEA 2000 network
 Each channel independently programmable to transmit the following parameters:
o DC Voltage
o DC Current
o Flow Rate
o Distance
o Linear Velocity
o Linear Acceleration
o Angle
Revision 1.0
®
interface
display. And if you're concerned about the force
®
displays. Numerous
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