© Edwards Limited 2010. All rights reserved. Page 1
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Introduction
D395-90-880 Issue E
1Introduction
1.1 Scope and definitions
This manual provides installation, operation and maintenance instructions for the Edwards Active Digital Controller.
You must use the Controller as specified in this manual. Read this manual before you install and operate the Edwards
Active Digital Controller. Important safety information is highlighted as WARNING and CAUTION instructions; you
must obey these instructions. The use of WARNINGS and CAUTIONS is defined below.
CAUTION
Cautions are given where failure to observe the instruction could result in damage to the equipment, associated
equipment and process.
The following IEC warning label appears on the Active Digital Controller:
1.2 Product description
The ADC (Active Digital Controller) is used for displaying pressures measured by Edwards Active Gauges. The ADC is
available in two versions. The Standard version provides a large clear LED display for a single gauge, and the Enhanced
version has additional features: 2 gauge inputs, 2 set-point relays, analogue outputs for data recording and an RS232
interface for control and data monitoring on a remote PC.
Throughout this manual, certain sections are applicable only to the Standard or Enhanced versions. These sections
are marked "Standard only" or "Enhanced only". The compatible gauges that can be used with the Active Digital
Controller are listed in Table 1.
WARNING
Warnings are given where failure to observe the instruction could result in injury or death to
people.
Warning - refer to accompanying documentation.
From August 2005, Edwards will offer European customers a recycling service.
WARNING
Improper use of the equipment could cause damage to it or injury to people. The user is
responsible for the safe operation and maintenance of the equipment.
Table 1 - Compatible gauges for the ADC
ADC version Compatible gauges
Standard APG100-XM, APG100-XLC, APG-L, APG-M, APG-MP,
APGX-H, APGX-L, APGX-M, APGX-MP and WRG
Enhanced As above, plus AIM-S, AIM-X and ASG
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