Emerson unidrive m200 - Introduction; Products Covered and Key Features

Unidrive M200/201 Control Quick Start Guide 7
Issue Number: 2
2.1.2 RFC-A mode
Sensorless mode provides closed loop control without the need for position feedback by using
current, voltages and key operating motor parameters to estimate the motor speed. It can eliminate
instability traditionally associated with open loop control such as operating large motors with light
loads at low frequencies.
3Options
Table 3-1 System Integration (SI) option module identification
Type Option module Color Name Further details
Fieldbus
Purple SI-PROFIBUS
See relevant option
module User Guide
Medium
Grey
SI-DeviceNet
Light Grey SI-CANopen
Beige SI-Ethernet
Brown Red SI-EtherCAT
Automation
(I/O expansion)
Orange SI-I/O
Unidrive M200_201 Control Quick Start Guide English Iss1.book Page 7 Wednesday, September 16, 2015 10:31 AM