EF-Series Instruction Manual
Rev 2/01 2-1
SECTION 2 — USING THE EF-SERIES UNIT
2.1 SCOPE
This section describes the EF-Series flow computer, focusing on how it works and how to connect
wiring. Major topics include:
♦
Product Functions
♦
Product Electronics
♦
Connecting the Wiring
♦
Configuration
♦
Calibration
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Troubleshooting and Repair
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Specifications
2.2 SECTION CONTENTS
This section contains the following information:
Information Section Page Number
Product Functions 2.3 2-3
Flow Measurement 2.3.1 2-3
History Points 2.3.2 2-4
Security 2.3.3 2-6
Power Control 2.3.4 2-6
Report By Exception (RBX) Alarming 2.3.5 2-7
Product Electronics 2.4 2-8
Main Electronics Board Overview 2.4.1 2-8
Microprocessor and Memory 2.4.2 2-8
Liquid Crystal Display 2.4.3 2-10
Communications Ports 2.4.4 2-10
Built-In Discrete Output 2.4.5 2-11
RTD Input 2.4.6 2-12
Real-Time Clock 2.4.7 2-12
Diagnostic Monitoring 2.4.8 2-12
Automatic Self Tests 2.4.9 2-12
Low Power Modes 2.4.10 2-13
Connecting the EF-Series unit to Wiring 2.5 2-15
Making Wiring Connections 2.5.1 2-15
Connecting Ground Wiring 2.5.2 2-16
Connecting Main Power Wiring 2.5.3 2-17
Auxiliary Output Power 2.5.4 2-21