User guide

AM Series Modbus Interface Manual
GF-146-MB
TABLE OF CONTENTS
CHAPTER 1: MODBUS CONNECTION .................................................... 5
1.1 Modbus Configuration ........................................................................... 5
1.2 Modbus Functionality ............................................................................ 5
1.3 Modbus Holding Registers .................................................................... 6
1.3.1 Control Register ......................................................................................... 6
1.3.2 Controller Type........................................................................................... 7
1.3.3 Modbus Version ......................................................................................... 7
1.3.4 Modbus Units ............................................................................................. 7
1.3.5 Device Type ................................................................................................ 8
1.4 Pre-Defined Devices ............................................................................. 9
1.4.1 General Notes ............................................................................................ 9
1.4.2 Managing Boiler ......................................................................................... 9
1.4.3 Dependent Boiler ......................................................................................12
CHAPTER 2: ERROR, STATE, AND, STATUS TABLES ....................... 14
2.1 Lockout Codes (A) Table ............................................................................................ 14
2.2 Blocking Error Codes (E) Table .................................................................................. 15
2.3 State Parameters Table .............................................................................................. 16
2.4 Status Parameters Table ............................................................................................ 16
OMM-0102_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 3 of 18
GF-146-MB Phone: [phone] PRI: 09/22/2014