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FM-3 Programming Module Reference Manual
Isr Ovr
This fault is generated when a module flash memory problem occurs. If problem is persistent,
replace the FM-4 module.
Traj Flt
This fault occurs when the drive has received trajectory data from the FM-3 module that
indicates a problem. Check the user units, velocities, accels and decels for correct values.
Drv Syn
This fault occurs when the drive loses timing with the attached FM-3. This issue is generally
caused by either a trajectory update rate that is too low (800 or 1200usec), or a processor
heavy program causes the program functions to
Watchdg
The watchdog timer ensures that the firmware is operating normally. If the firmware fails to
reset this timer every 10 ms, the drive hardware will be reset, all inputs and outputs will be
cleared ("Off"), and a Watchdog Timer fault is generated.
Overspd
This fault occurs when the actual motor speed exceeds the Overspeed Velocity Limit
parameter. This parameter can be accessed with PowerTools Pro software.
Inv Cfg
The FM module was not on this drive during its previous power-up and it is not known if the
setup data in the FM module matches the drive and motor combination to which the FM
module is now attached.
This can also happen when a FM module is removed from a drive and the drive is powered-
up.
To reset the fault, create or open a configuration file with the correct drive and motor
selections and download the configuration to the FM or drive. If you are certain that the setup
data in the FM or drive matches the system configuration, press and hold the drive's Reset
button for 10 seconds (until the fault is cleared).
Shnt Pw
This fault is generated when RMS shunt power dissipation is greater than the design rating of
the internal shunt.