MM200 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL 6–1
MM200 Motor Management System
Chapter 6: Communications
GE
Grid Solutions
Communicatio ns
Communications interfaces
The MM200 has two communications interfaces:
• RS485
•Fieldbus
NOTE: 
Setpoint changes related to RS485, DeviceNet, and Profibus, require a power cycle to be 
activated.
NOTE: 
External power must be present on the Fieldbus port at power-up, in order to correctly 
initialize.
NOTE: 
For full details, please refer to the MM200 Communications Guide, to be found on the GE 
Multilin web site.