Evolution Controls EVO/ECM-Modbus - Table of Contents

©Evolution Controls Inc.
10-Sept-2020
EVO/ECM-Modbus RTU Series 2
Application Guide
©2001 All Rights Reserved
Evolution Controls Inc.
San Diego, CA USA
Contents
DESCRIPTION ................................................................................................................................... 1
Mounting ........................................................................................................................................ 3
Enclosure ........................................................................................................................................ 4
WIRING ........................................................................................................................................... 5
Power Connection ........................................................................................................................................... 5
Trunk Connection ............................................................................................................................................ 5
Motor Connection ........................................................................................................................................... 6
PWM Motor Output ................................................................................................................................................... 6
0-10 VDC Motor Output ............................................................................................................................................ 7
PROTOCOL ...................................................................................................................................... 8
Register Usage ................................................................................................................................................ 8
Dynamic Registers ....................................................................................................................................................... 8
Read Only Registers ..................................................................................................................................................... 8
Default Registers ......................................................................................................................................................... 9
Configuration Registers ................................................................................................................................................ 9
RPM Alarm Limit Registers ........................................................................................................................................... 9
Register Assignments ..................................................................................................................................... 10
Register 1 - On/Off Control and Status ......................................................................................................................... 10
Register 2 - Motor 1 - % Out ....................................................................................................................................... 11
Register 3 - Motor 2 - % Out ....................................................................................................................................... 12
Register 4 - Motor 3 - % Out ....................................................................................................................................... 12
Register 5 - Motor 4 - % Out ....................................................................................................................................... 12
Register 6 - Motor 1 – RPM......................................................................................................................................... 12
Register 7 - Motor 2 - RPM ......................................................................................................................................... 12
Register 8 - Motor 3 - RPM ......................................................................................................................................... 12
Register 9 - Motor 4 - RPM ......................................................................................................................................... 12
Register 10 - Motor 1 – Default % Out ......................................................................................................................... 13
Register 11 - Motor 2 – Default % Out ......................................................................................................................... 13
Register 12 - Motor 3 – Default % Out ......................................................................................................................... 13
Register 13 - Motor 4 – Default % Out ......................................................................................................................... 13
Register 14 - Configurations ........................................................................................................................................ 13
Register 15 - Group1 Address ..................................................................................................................................... 16
Register 16 - Group 2 Address ..................................................................................................................................... 16
Register 17 - Unit Address .......................................................................................................................................... 17
Register 18 - Baud Rate .............................................................................................................................................. 17
Register 19 - Motor 1 Low RPM Limit ........................................................................................................................... 17
Register 20 - Motor 2 Low RPM Limit ........................................................................................................................... 17
Register 21 - Motor 3 Low RPM Limit ........................................................................................................................... 17
Register 22 - Motor 4 Low RPM Limit ........................................................................................................................... 18
Register 23 - Motor 1 High RPM Limit .......................................................................................................................... 18
Register 24 - Motor 2 High RPM Limit .......................................................................................................................... 18
Register 25 - Motor 3 High RPM Limit .......................................................................................................................... 18
Register 26 - Motor 4 High RPM Limit .......................................................................................................................... 18
EVO/ECM-Modbus RTU protocol .................................................................................................................... 19
Read Registers Command (03) .................................................................................................................................... 19
Write Single Register Command (06) ........................................................................................................................... 20