11. TROUBLESHOOTING

11.2.3 Remedies for warnings

If AL.E6 occurs, the servo off status is established. If any other warning occurs, operation can be continued but an alarm may take place or proper operation may not be performed. Use the optional servo configuration software to refer to the cause of warning.

Display

Name

Definition

 

 

 

Cause

Action

AL.92

Open battery

Absolute position

1. Battery cable is open.

Repair cable or changed.

 

cable warning

detection system battery

2. Battery voltage dropped to 2.8V or less.

Change battery.

 

 

voltage is low.

 

 

 

 

 

 

 

 

AL.97

Program

Program was started in a

After a program change, the program was

Power off/on the servo amplifier.

 

operation disable

program operation

started without the servo amplifier being

 

 

 

disable status.

powered off/on.

 

AL.98

Software limit

Software limit set in

1. Software limit was set within actual

Set parameter No. 48 to 51

 

warning

parameter is reached.

operation range.

correctly.

 

 

 

2. Program of position data in excess of

Set program correctly.

 

 

 

software limit was executed.

 

 

 

 

3. Software limit was reached during JOG

Perform operation within

 

 

 

operation or manual pulse generator

software limit range.

 

 

 

operation.

 

AL.9F

Battery warning

Voltage of battery for

Battery voltage fell to 3.2V or less.

Change the battery.

 

 

absolute position

 

 

 

 

 

 

 

 

 

 

detection system reduced.

 

 

 

 

 

 

 

 

AL.E0

Excessive

There is a possibility that

Regenerative power increased to 85% or

1. Reduce frequency of

 

regenerative

regenerative power may

more of permissible regenerative power of

positioning.

 

warning

exceed permissible

built-in regenerative brake resistor or

2. Change regenerative brake

 

 

regenerative power of

regenerative brake option.

option for the one with larger

 

 

built-in regenerative

 

 

 

Checking method

 

 

 

capacity.

 

 

 

 

 

 

 

 

 

brake resistor or

 

Call the status display and check

 

3. Reduce load.

 

 

 

regenerative load ratio.

 

 

 

regenerative brake

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

option.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AL.E1

Overload

There is a possibility that

Load increased to 85% or more of overload

Refer to AL.50, AL.51.

 

warning

overload alarm 1 or 2

alarm 1 or 2 occurrence level.

 

 

 

may occur.

 

 

Cause, checking method

 

 

 

 

 

 

 

 

 

 

 

 

 

Refer to AL.50,51.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AL.E3

Absolute position

Absolute position encoder

1. Noise entered the encoder.

Take noise suppression

 

counter warning

pulses faulty.

 

 

 

 

 

 

 

measures.

 

 

 

2. Encoder faulty.

Change servo motor.

AL.E6

Servo forced stop

EMG-SG are open.

External forced stop was made valid.

Ensure safety and deactivate

 

warning

 

(EMG-SG opened.)

forced stop.

AL.E9

Main circuit off

Servo was switched on

 

 

 

 

 

 

 

Switch on main circuit power.

 

warning

with main circuit power

 

 

 

 

 

 

 

 

 

 

off.

 

 

 

 

 

 

 

 

11 - 9

Page 235 Page 237
Page 236
Image 236
Mitsubishi Electronics MR-J2S- CL specifications Remedies for warnings
Page 235 Page 237

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.
Top Page Image Contents