Introduction - Adam Equipment CQT-202 Service

3 INTRODUCTION

The scales are all based on resistance strain gauge load cells. The load
cells output a small voltage in response to a load placed on the weighing
platform. The voltage is in the range of approximately 10mv for a full
capacity load.
The signal from the load cell is presented directly to an A/D converter for
conversion to a digital value for use by the microprocessor.
It may be necessary to replace a load cell if it is damaged.
The load cell connections are:
High Resolution scales
CQT 202,1501 & 2601
Signal - Black
Signal + Green
Shield Yellow
Ext - White
Ext + Red
Before any changes are made to the scale, it will be necessary to
trouble-shoot the problems and determine the best method to solve the
problems. Refer to the Trouble-shooting Guide for suggestions.
4
Low Resolution scales
All others
Signal - White
Signal + Green
Ext - Black
Ext + Red
©Adam Equipment Company 2011