Baldor MN1940 installation manual Motor control problems

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6.1.4 Motor control problems

	Symptom	Check

	Controller outputs	Check that the DSM is powered.
	appears to be
	working, but will not	Check that the logic connections between motor and controller are
	cause DSM to turn.	correct.
		Confirm that the sense of the enable input is correct to enable the
		motor (section 4.3.1.3).

	Controller reports	If the controller is expecting a feedback signal but does not receive
	that the DSM is not	one, it may assume the DSM is not turning. This could cause the
	moving and drops	controller to report a following error, to disable the DSM, or both.
	the enable line.

6-2 Troubleshooting

MN1940

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Contents DSM S-Series Integrated Stepper Motor / Driver Page Contents Troubleshooting General Information Safety Notice PrecautionsDSM S-Series integrated motor and driver MN1940 IntroductionOption availability Model ‘F’ ‘P’ ‘M’Receiving and inspection InstalledIdentifying the catalog number Phase Units and abbreviationsIntroduction You should read all the sections in Basic InstallationLocation requirements Dimensions Weight Dimensions DSMS17Mounting the DSM Screw thread limitation DSMS17 DSMS23x-2B Dimensions DSMS23DSMS23x-1B DSMS23x-3BMotor Dimensions Dimensions DSMS34Securing DSM cables Other requirements for installation SPI interface ‘P’ connector Basic connectionsMotor power input Power wire ratings Wire sizesCable length Minimum Logic input descriptions Enable brown flying leadLogic inputs Step clock orange flying leadInput timing Sinking / sourcing input configuration Sinking input configurationsDIR0 SPI interface SPI connectorPin Name Description SPI signal descriptions X12 Connection summary minimum system wiringNextMove ESB Installing the USB driver Connecting the DSM to the PCInstalling the virtual COM port driver Determining the virtual COM port number Installing Baldor SPI Interface\BaldorSPIInterface.exe Starting the controller and DSM Name Range Units Default Configuration parametersMotion settings view Baldor SPI InterfaceRecall! and Upgrade! menu options Microstep Resolution Select MselHold Current Delay Time Hcdt Msel valueClock Type 2.2 I/O settings viewClock IOF Symptom Check Problem diagnosisCommunication problems Further supportMotor control problems Maximum supply voltage +48VDC +75VDC Input powerInput current maximum Rotor inertia DSMS17x-1ADetent torque DSMS17x-2ADSMS17x-3A DSMS23x-1B DSMS23x-2BDSMS23x-3B Motor speed & torque DSMS34 DSMS34x-1BDSMS34x-2B DSMS34x-3B Digital inputs Specifications MN1940 Index Index MN1940 Comments CommentComments MN1940 Page LT0227A02