11. TROUBLESHOOTING

Display

Name

Definition

 

 

Cause

Action

AL.63

Home position

In incremental

1. Positioning operation was

1. Perform home position return.

 

return

system:

 

performed without home position

2. Review home position return speed/creep

 

incomplete

1. Positioning

 

return.

speed/moving distance after proximity

 

 

operation was

2. Home position return speed could

dog.

 

 

performed without

 

not be decreased to creep speed.

 

 

 

home position

3. Limit switch was actuated during

 

 

 

return.

 

home position return starting at

 

 

 

2. Home position

 

other than position beyond dog.

 

 

 

return ended

 

 

 

 

 

 

 

 

abnormally.

 

 

 

 

 

 

 

 

In absolute position

1. Positioning operation was

1. Perform home position setting.

 

 

detection system:

 

performed without home position

2. Review home position setting speed/creep

 

 

1. Positioning

 

setting.

speed/moving distance after proximity

 

 

operation was

2. Home position setting speed could

dog.

 

 

performed without

 

not be decreased to creep speed.

 

 

 

home position

3. Limit switch was actuated during

 

 

 

setting.

 

home position setting starting at

 

 

 

2. Home position

 

other than position beyond dog.

 

 

 

setting ended

 

 

 

 

 

 

 

 

abnormally.

 

 

 

 

 

 

AL.64

Home position

Home position

1. Droop pulses remaining are

Remove the cause of droop pulse

 

setting error

setting could not be

 

greater than the in-position range

occurrence

 

 

made.

 

setting.

 

 

 

 

2. Command pulse entered after

Do not enter command pulse after clearing

 

 

 

 

clearing of droop pulses.

of droop pulses.

 

 

 

3. Creep speed high.

Reduce creep speed.

AL.8A

Serial

RS-232C or RS-422

1. Communication cable breakage.

Repair or change communication cable

 

communication

communication

2. Communication cycle longer than

Set correct value in parameter.

 

time-out error

stopped for longer

 

parameter No. 23 setting.

 

 

 

than the time set in

3. Wrong protocol.

Correct protocol.

 

 

parameter No.23.

 

 

 

 

 

 

AL.8E

Serial

Serial

1. Communication cable fault

Repair or change the cable.

 

communication

communication error

 

(Open cable or short circuit)

 

 

error

occurred between

 

 

 

 

 

 

 

2. Communication device (e.g.

Change the communication device (e.g.

 

 

servo amplifier and

 

 

 

personal computer) faulty

personal computer).

 

 

communication

 

 

 

 

 

 

 

 

 

 

 

device (e.g. personal

 

 

 

 

 

 

 

 

computer).

 

 

 

 

 

 

88888

Watchdog

CPU, parts faulty

Fault of parts in servo amplifier

Change servo amplifier.

 

 

 

 

 

Checking method

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alarm (88888) occurs if power is

 

 

 

 

 

switched on after disconnection

 

 

 

 

 

of all cables but the control

 

 

 

 

 

circuit power supply cables.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11 - 8

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Mitsubishi Electronics MR-J2S- CL specifications AL.8A, Serial Communication cable fault Repair or change the cable
Page 234 Page 236

MR-J2S- CL specifications

Mitsubishi Electronics has long been a pioneer in automation and control technology, and one of its prominent offerings is the MR-J2S-CL servo amplifier. Designed to enhance the performance of servo motors, the MR-J2S-CL is a critical component in various applications, ranging from industrial machinery to robotics.

One of the standout features of the MR-J2S-CL is its high-performance control capabilities. This servo amplifier supports both position and speed control, enabling precise movement and responsiveness in dynamic applications. The MR-J2S-CL boasts a sophisticated control algorithm that ensures superior torque response, making it ideal for applications that require quick and accurate motion control.

The MR-J2S-CL employs advanced features such as the Auto-Tuning function, which automatically adjusts the servo settings to optimize performance for the specific load conditions. This automation simplifies setup processes and reduces downtime, allowing users to quickly configure the system to their needs.

In terms of connectivity, the MR-J2S-CL is equipped with various communication options, including the CC-Link and Mitsubishi's own MELSEC communications. These options facilitate seamless integration with other devices and control systems, enhancing the overall interoperability of factory automation setups.

Another critical aspect of the MR-J2S-CL is its built-in safety features. The amplifier includes functionalities like safe torque off (STO) and overcurrent protection, which contribute to the overall safety of the operation. These safety measures are essential in reducing the risk of accidents in environments where human interaction occurs alongside machinery.

The MR-J2S-CL is designed with durability and reliability in mind. It has a robust construction that is capable of withstanding harsh industrial environments, including high temperatures and dust exposure. This resilience ensures a long service life, reducing maintenance needs and operational costs.

Furthermore, the MR-J2S-CL is compatible with a wide range of Mitsubishi servo motors, making it a versatile choice for various applications. Its comprehensive capabilities, combined with user-friendly interface options, allow for easy programming and monitoring of performance.

In summary, the Mitsubishi Electronics MR-J2S-CL servo amplifier stands out for its high-performance control, advanced safety features, and robust design. It effectively meets the demands of various industrial applications, making it a valuable asset in modern automation and manufacturing environments. With its blend of precision, reliability, and flexibility, the MR-J2S-CL continues to be a preferred choice for engineers and manufacturers alike.
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