AERCO AC-106 Communication Manual
Instruction
No.
AERCO INTERNATIONAL, Inc., Northvale, New Jersey 07647 USA
AC-106
®
MODBUS
Communication Manual
for
ELECTRONIC CONTROL SYSTEM
(ECS)
Used to Interface AERCO Equipment
to Building Automation Systems
Modbus® is a registered trademark of AEG Modicon
REVISED 7/28/10
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ELECTRONIC CONTROL SYSTEM COMMUNICATION INTERFACE
TABLE OF CONTENTS
Title Page
1. INTRODUCTION 1
2. COMMUNICATION BOARD 1
3. MODBUS COMMUNICATION SIGNAL CONNECTIONS 1
4. MODBUS COMMUNICATION INFORMATION 2
5 CHANGING COMMUNICATION ADDRESSES ON THE AERCO EUROTHERM
TEMPERATURE CONTROLLER 4
6. REFERENCED DOCUMENTS 6
7. INTERFACING THE ECS WITH A BUILDING’S BAS/EMS 6
8. ALARMS 7
9. CLEARING HARDWARE ERROR (HW.ER) DISPLAY 8
LIST OF FIGURES
1. Temperature Controller (Eurotherm 2408) Terminal Connection Diagram 2
LIST OF TABLES
1 MODBUS Communication Signal Connections 2
2. Eurotherm Series 2400 Controller MODBUS Points 3
3 AERCO Electronic Control System (ECS) Point Definitions 6
4. Process Alarms 7
5. Diagnostic Alarms 7
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