Emerson FM-3 Manuel D’Utilisation

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The diagnostic segment display on the front of the drive shows drive status, FM-3 module 
status, and fault codes. When a fault condition occurs, the drive will display the fault code, 
overriding the status code. The alphanumeric display on the FM-3 module provides additional 
fault information. 

The decimal point is “On” when the drive is enabled, and the stop input is not active. This 
indicates that the drive is ready to run and any motion command will cause motion. Motion 
commands will not cause motion unless you are Ready (R) and the decimal point is “On”.

Ready

The FM-3 and drive system is functioning 
normally and is ready to execute a motion 
command.

Drive Type         Address
Motor Type
Menu Groups

Brake Engaged (Output "Off")

Motor brake is mechanically engaged. This 
character will only appear if the Brake output 
function is assigned to an output line. See 
Brake Operation section for detailed 
description of Brake Output function.

Drive Type         Address
Motor Type
Menu Groups

Disabled

Power Stage is disabled.

Drive Type         Address
Motor Type
Menu Groups

RMS Foldback

Motor torque is limited to 80 percent.

Drive Type         Address
Motor Type
Menu Groups

Stall Foldback

Drive output current is limited to 80 percent of 
drive stall current.

Drive Type         Address
Motor Type
Menu Groups

Ready to Run

Drive enabled. No stop input.

Drive Type         Address
Motor Type
Menu Groups

Homing

Home is executing.

Drive Type         Address
Motor Type
Menu Groups