©Evolution
Controls Inc.
10-Sept-2020
EVO/™ECM-Modbus RTU Series 2 Page 18
Application Guide
©2020 All Rights Reserved
Evolution Controls Inc.
San Diego, CA USA
Register 22 - Motor 4 Low RPM Limit
Register 23 - Motor 1 High RPM Limit
Register 24 - Motor 2 High RPM Limit
Register 25 - Motor 3 High RPM Limit
Register 26 - Motor 4 High RPM Limit
Motor 1 High RPM Limit
When Motor 1 RPM increases above this limit, and the motor has been commanded on
for at least 20 seconds, the corresponding alarm flag (Register 1) is set. The flag is
cleared when the RPM drops below this limit by 50 RPM or 100 RPM depending on the
hysteresis selection bit (Coil 29) in Register 14.