Baldor BXII installation manual Motor control, Symptom Check

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6.2.2 Motor control

Symptom

Check

 

 

NextMove BXII appears

Check that the connections between motor and drive are

to be working but will not

correct. Use WorkBench v5 to perform the basic system tests

cause motor to turn.

(see section 5.4).

 

Ensure that while the NextMove BXII is not in error, the drive is

 

enabled and working. When the NextMove BXII is first powered

 

up the drive should be disabled if there is no program running

 

(there is often an LED on the front of the drive to indicate

 

status).

 

Check that the servo loop gains are setup correctly - check the

 

Fine-tuning window. See sections 5.5 to 5.7.

 

 

Motor runs uncontrollably

Check that the encoders are connected, they have power

when controller is

through Encoder V+ (if required, see sections 4.4.1 and 4.7.1)

switched on.

and are functioning correctly. Use a dual trace oscilloscope to

 

display both channels of the encoder and/or the complement

 

signals simultaneously.

 

Check that the drive is connected correctly, and that with zero

 

demand from the NextMove BXII there is 0V at the drive

 

demand input. See section 5.4.1.

 

Verify that the NextMove BXII and drive are correctly grounded

 

to a common earth point.

 

 

Motor runs uncontrollably

Check that the axis’ corresponding encoder and demand

when controller is

signals are connected to the same axes of motion. Check the

switched on and servo

demand to the drive is connected with the correct polarity.

loop gains are applied, or

 

when a move is set in

Check that for a positive demand signal, a positive increase in

progress. Motor then

axis position is seen. The Mint DACMODE keyword can be used

stops after a short time.

to reverse DAC output polarity.

 

Check that the maximum following error is set to a reasonable

 

value. For setting up purposes, following error detection may

 

be disabled by setting FOLERRORMODE = 0.

 

 

Motor is under control, but

Servo loop gains may be set incorrectly. See sections 5.5 to

vibrates or overshoots

5.8.

during a move.

 

 

 

6-4 Troubleshooting

MN1904

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Contents NextMove Bxii Motion Controller Page Contents Operation Appendices Iv Contents MN1904 General Information Safety Notice PrecautionsNextMove Bxii features Installed Receiving and inspectionIdentifying the catalog number Phase Units and abbreviationsIntroduction MN1904 Power sources IntroductionPC Hardware requirements Other information needed for installation Tools and miscellaneous hardwareMechanical installation and location requirements This completes the basic installation Mounting the NextMove BxiiConnector locations top panel Connector locations front panel X8 PowerPower connections PowerAnalog I/O Analog inputsAnalog input circuit, AIN0/AIN1 pair shown Analog outputs Demands Analog output circuit Demand0 shownDigital I/O Digital inputs Pin Name Mint keyword / descriptionINX.0 Digital inputs Interrupts Digital input circuit fast interruptsDigital outputs Digital output circuitOther I/O Encoder interfaces X9, X10, X11, X12Encoder input frequency Relay and user power Relay connections4 RS232 RS232 serial port connections Connecting Baldor HMI Operator Panels Cable wiring if hardware handshaking is not requiredRS422 / RS485 connections on a 9-pin male D-type connector 6 RS422 / RS485Wire RS485 multi-drop connections Can connectors X16 Typical can network connectionsCANopen Baldor canReset states System watchdogConnection summary minimum system wiring Servo amplifier axisMinimum system wiring connections Connecting the NextMove Bxii to the PC Installing the softwareStarting the NextMove Bxii Preliminary checksPower on checks WorkBench Help fileStarting WorkBench MN1904 Operation Configuring an axis Selecting a scaleSetting the drive enable output Testing the drive enable output Testing and tuning Testing the drive command outputSTOP.0 An introduction to closed loop control Summary, the following rules can be used as a guide NextMove Bxii servo loop Tuning an axis for current control Selecting servo loop gainsMN1904 Operation Underdamped response Underdamped responseOverdamped response KpropCritically damped response Critically damped ideal responseEliminating steady-state errors Tuning an axis for velocity control Calculating KvelffKvelff Correct value of Kvelff Adjusting Kprop Click GoCorrect value of Kprop Digital input/output configuration Digital input configurationDigital output configuration Saving setup information Toolbox, click the Edit & Debug iconLoading saved information Problem diagnosis SupportMet featureNextMove Bxii indicators Status displayMN1904 Troubleshooting Symptom Check Motor controlAxis LED is red or Status LED shows a flashing symbol CommunicationTroubleshooting MN1904 Input power DescriptionDigital inputs X1 Relay output Encoder interfaces X9Can interfaces X16 11Weights and dimensions 10EnvironmentalBaldor can nodes Encoder Splitter/Buffer board Catalog number Description OPT008-501Index Index MN1904 MN1904 Index Index MN1904 Comments Comments MN1904 Page LT0158A01

BXII specifications

The Baldor BXII is a robust and versatile industrial motor known for its high performance and reliability in various applications. Designed for use in demanding environments, the BXII series is particularly favored in the food processing, petrochemical, and material handling industries. Its construction and technological features distinctly differentiate it from other motors in the market, enhancing efficiency and durability.

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Moreover, the BXII series employs a continuous duty service factor, allowing for longer operational hours without overheating or compromising performance. This is particularly beneficial for applications requiring consistent power output over extended periods.

The integration of smart technologies in the BXII line also enhances its usability. Features such as thermal protection and vibration sensors enable proactive monitoring of motor health, leading to preemptive maintenance that reduces downtime and extends the life of the motor.

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