Symptom

Check

 

 

Motor runs uncontrollably

(Servo outputs only) Check that the encoder feedback

when controller is switched

signal(s) are connected to the correct encoder input(s).

on and servo loop gains are

Check the demand to the drive is connected with the correct

applied or when a move is

polarity.

set in progress. Motor then

 

stops after a short time.

Check that for a positive demand signal, a positive increase

 

in axis position is seen. The ENCODERMODE keyword can

 

be used to change encoder input direction. The DACMODE

 

keyword can be used 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 outputs only) Servo loop gains may be set

vibrates or overshoots

incorrectly. See sections 6.5.2 to 6.7.

during a move.

 

 

 

Motor is under control, but

Verify that the backplane and drive are correctly grounded to

when moved to a position

a common earth point.

and then back to the start it

 

does not return to the same

(Servo outputs only) Using an oscilloscope at the backplane

position.

connectors, check:

 

H all encoder channels are free from electrical noise;

 

H they are correctly wired to the controller;

 

H when the motor turns, the two square wave signals are

 

90 degrees out of phase. Also check the complement

 

signals.

 

Ensure that the encoder cable uses shielded twisted pair

 

cable, with the outer shield connected at both ends and the

 

inner shields connected only at the NextMove ES end.

 

(Stepper outputs only) The motor is not maintaining

 

synchronization with the NextMove ES drive output signals

 

due to excessive acceleration, speed or load demands on

 

the motor.

 

Check that the acceleration, speed and load are within the

 

capabilities of the motor.

 

 

7.2.5 WorkBench v5

Symptom

Check

 

 

The Spy window does not

The system refresh has been disabled. Go to the Tools,

update

Options menu item, select the System tab and then

 

choose a System Refresh Rate (500ms is recommended).

 

 

MN1928

Troubleshooting 7-5

Page 93
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Baldor MN1928 installation manual WorkBench

MN1928 specifications

The Baldor MN1928 is a highly regarded motor designed for a variety of industrial applications, known for its durability and efficiency. This motor is part of Baldor’s extensive range of products, which are engineered to meet the demands of heavy-duty operations.

One of the key features of the Baldor MN1928 is its robust construction. Built with high-quality materials, this motor is designed to withstand harsh environmental conditions often found in industrial settings. The steel frame is not only resilient, but it also enhances the motor's cooling capabilities, enabling it to perform effectively over extended periods.

The MN1928 is equipped with advanced technologies that optimize its performance. One notable technology is the use of high-efficiency induction motor design. This reduces energy consumption significantly and contributes to lower operational costs. The motor is also designed with a continuous duty rating, making it capable of running for long hours without compromising its functionality or lifespan.

In terms of characteristics, the Baldor MN1928 features a reliable ball bearing design, which minimizes friction and wear, ensuring smoother operation and increased reliability. With a horsepower rating that suits a range of applications, it provides the necessary torque and speed to power various machinery effectively. The multi-voltage design allows for versatile installation options, accommodating different electrical systems while ensuring efficient performance.

Another important characteristic of this motor is its ease of maintenance. The design allows for straightforward access to components, making it simple for technicians to perform routine checks and maintenance. This is particularly beneficial in industrial settings where downtime can be costly.

Safety is also a priority in the design of the Baldor MN1928. Equipped with thermal overload protection, it prevents overheating, reducing the risk of damage caused by excessive temperatures during operation. Additionally, the motor complies with various industry standards, ensuring safe operation within diverse environments.

In summary, the Baldor MN1928 stands out as a reliable choice for industrial applications, offering a combination of durability, efficiency, and advanced technology. Its robust construction, high-efficiency design, and safety features make it a preferred option for many enterprises seeking dependable motor solutions.