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COMMS MANUAL
COOLMAX SR
Australian Energy Research Laboratories, Pty.Ltd
AER07.004 – Version G2 v9
13
th
January 2016
1 of 21
TABLE OF CONTENTS
Section
Number
Topic
Page
Number
1 Product Warranty ................................................................................................ 3
2 Wiring ................................................................................................................... 4
3 Modbus Communications .................................................................................. 5
3.1 Overview ......................................................................................................................... 5
3.2
Modbus Network Topology .............................................................................................. 5
3.3 Modbus Wiring ................................................................................................................ 6
3.4 Shielding ......................................................................................................................... 7
3.5 Modbus Termination ........................................................................................................ 7
3.6
Modbus Memory Map (Discrete Inputs) .......................................................................... 7
4 Can Communications ....................................................................................... 16
4.1 CAN Network Topology ................................................................................................. 16
4.2 CAN Wiring ................................................................................................................... 17
4.3 Shielding ....................................................................................................................... 18
4.4 CAN Termination ........................................................................................................... 18
5 APPENDIX A– MODBUS Communications Protocol Error! Bookmark not defined.
5.1 Overview ......................................................................................................................... 5
5.2 Modbus Memory Map (Discrete Inputs) .......................................................................... 7
6 APPENDIX B – CAN Communications Protocol ... Error! Bookmark not defined.
6.1 Overview ....................................................................................................................... 19
6.2 COOLMAX SR Broadcast Messages ............................................................................ 20
6.3 COOLMAX SR Command Messages............................................................................ 21
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