Panasonic N510002594AA Mitsubishi MR-J2S-350B-S041U703 C24U3A CM602 Servo Driver

Panasonic N510002594AA Mitsubishi MR-J2S-350B-S041U703 C24U3A CM602 Servo Driver

The Panasonic N510002594AA Mitsubishi MR-J2S-350B-S041U703 C24U3A servo driver is an industrial motion-control unit used in the axis drive system of Panasonic CM602 surface-mount placement equipment. It receives motion commands from the machine controller, processes position and speed data, and regulates electrical output to the connected servo motor.

The base MR-J2S-350B platform is an SSCNET-compatible AC servo amplifier with a rated capacity code corresponding to 3.5 kW. It provides closed-loop control through motor encoder feedback and supports accurate acceleration, deceleration, positioning, speed regulation, alarm monitoring, and protective shutdown functions.

The complete suffix MR-J2S-350B-S041U703 is especially important. This is not simply a general-purpose MR-J2S-350B unit identified only by its power rating. The suffix may correspond to machine-specific parameters, software, connector configuration, control settings, or OEM application requirements. Buyers should therefore match the complete model, Panasonic part number, physical appearance, connector arrangement, and original machine information before placing an order.

This product is suitable for maintenance teams, SMT factories, equipment refurbishers, automation service companies, and spare-parts distributors requiring a correctly identified CM602 servo control component.

The base series identification, SSCNET compatibility and 3.5 kW capacity are defined in the official MR-J2S-B instruction manual.

Servo drivers operate continuously under repetitive acceleration, deceleration and positioning cycles. During long-term SMT production, electrical, thermal and mechanical conditions can gradually affect driver performance.

Common causes of servo driver failure include the following.

A weak, blocked or damaged cooling fan can reduce airflow through the servo amplifier. Heat then accumulates around power modules, capacitors and control boards, increasing the possibility of thermal alarms or unstable operation.

Dust, solder-paste particles, oil mist and conductive contamination may collect around the heat sink, terminal block or internal circuit boards. Excessive contamination can reduce heat dissipation and may contribute to insulation or electrical faults.

Electrolytic capacitors, relays, fans and power semiconductor components can deteriorate after extended operating hours. Aging may cause intermittent alarms, abnormal startup behavior, unstable output or complete loss of drive control.

Voltage fluctuation, phase loss, poor grounding, loose power terminals or abnormal regenerative energy can damage the servo driver or trigger protective alarms. The MR-J2S-350B base model requires the specified three-phase 200–230 VAC power range for its main circuit.

A damaged motor cable, encoder cable, communication cable or connector can produce symptoms that appear similar to driver failure. Loose contacts, bent pins, broken wires or poor shielding may result in encoder alarms, communication errors or irregular axis movement.

Installing a standard servo amplifier without the correct OEM settings may prevent the CM602 from starting normally. The driver may power on but still display communication, motor combination or positioning alarms.

A driver with a similar housing or the same 3.5 kW rating is not automatically compatible. Differences in suffix, firmware, connector arrangement, communication protocol and factory settings can make substitution unsuccessful.

A jammed rail, damaged bearing, tight ball screw, incorrect belt tension or blocked axis can increase motor load. Replacing the servo driver without correcting the mechanical fault may cause the replacement unit to alarm again.

These symptoms are diagnostic references only. A complete inspection should include the driver, motor, encoder, communication cable, power supply and mechanical transmission system.

Replacing a failed or unstable CM602 servo driver with the correctly matched N510002594AA / MR-J2S-350B-S041U703 unit can help restore axis control and reduce equipment downtime.

A correct replacement process should focus on identification rather than appearance alone.

The correct product should match all of the following:

A standard MR-J2S-350B should not be considered an automatic plug-and-play replacement for the complete MR-J2S-350B-S041U703 model.

The product is identified by both the Panasonic equipment part number and the complete servo amplifier model, reducing the risk of ordering only by appearance.

The unit is associated with Panasonic CM602 axis-motion applications and is intended to work as part of the machine’s closed-loop positioning system.

The “350” capacity code in the base MR-J2S model corresponds to a rated output class of 3.5 kW.

The MR-J2S-B series uses SSCNET-compatible communication for coordinated servo control between the machine controller and servo amplifier.

Encoder feedback allows the servo system to compare commanded motion with actual motor position, supporting stable positioning and controlled acceleration.

The standard MR-J2S-B platform includes protective functions for conditions such as overcurrent, overload, regenerative overvoltage, encoder faults, undervoltage, overspeed and excessive position error.

The product can be used as a reference for urgent replacement, scheduled maintenance, equipment refurbishment or spare-parts inventory planning, subject to complete compatibility confirmation.

Checking the label, suffix, connectors and machine information before shipment helps reduce incorrect purchases, installation delays and return costs.

The electrical specifications, control method, protective functions, environmental limits, dimensions and mass shown above are based on the standard MR-J2S-350B platform. The actual OEM suffix version must be checked against the physical rating label and machine requirements.

Protective functions help prevent further damage, but alarm history should be diagnosed before resetting or replacing the driver. Repeated power cycling without correcting the fault is not recommended.

The N510002594AA servo driver is mainly used in the motion-control section of Panasonic CM602 SMT placement machines.

This product is suitable for:

• Electronics manufacturing service factories.
• SMT production departments.
• CM602 machine maintenance teams.
• Industrial automation service companies.
• SMT machine refurbishment companies.
• Spare-parts distributors.
• Equipment repair centers.
• Overseas factories requiring discontinued-series support.

To receive an accurate quotation, buyers should provide:

The servo driver forms the control link between the CM602 machine controller and the connected AC servo motor.

The machine controller calculates the required axis position, speed and acceleration according to the placement program. This command is transmitted through the servo control network.

The servo amplifier processes the command and compares it with feedback from the motor encoder. The MR-J2S-B platform is designed for SSCNET-compatible servo system control.

The driver converts incoming AC electrical power into controlled three-phase output for the servo motor. Output is adjusted continuously according to motion requirements.

The servo motor drives the machine’s mechanical transmission system. Depending on the machine configuration, this may include a belt, pulley, coupling, ball screw, linear guide or other axis mechanism.

The motor encoder reports actual movement to the servo amplifier. The driver compares actual position with commanded position and corrects the output in real time.

When the axis reaches the commanded location within the permitted deviation, the servo system maintains or stops the required position according to the machine sequence.

If the driver detects overcurrent, overload, encoder error, communication error, overspeed or another abnormal condition, it generates an alarm and may stop servo output to protect the system.

Installation should be completed only by technicians familiar with industrial servo systems and SMT equipment.

1. Turn off the main machine power.
2. Follow lockout and electrical safety procedures.
3. Wait for the charge lamp to turn off.
4. Verify that the DC bus voltage has discharged safely.
5. Record all cable locations.
6. Back up parameters where possible.
7. Photograph the original wiring and connector positions.
8. Inspect the motor, encoder and communication cables.
9. Confirm that the replacement label matches the original unit.
10. Check for mechanical axis resistance before restarting.

The official manual instructs technicians to switch off power, wait at least 15 minutes, confirm that the charge lamp is off and verify that the voltage between the DC terminals is safe before wiring or inspection.

• Check all terminals and connectors.
• Confirm that no cable is pinched or under tension.
• Power on in maintenance mode.
• Record the first displayed alarm code.
• Confirm controller communication.
• Verify servo-ready status.
• Perform low-speed axis movement.
• Check movement direction.
• Return the axis to origin.
• Monitor noise, vibration, temperature and alarm history.
• Run a controlled production test before full operation.

Selecting the correct servo driver requires more than checking the power rating.

The primary equipment reference should be N510002594AA. A similar driver with a different Panasonic number may be intended for another axis or machine configuration.

The required model is:

MR-J2S-350B-S041U703

Do not shorten the purchasing requirement to only MR-J2S-350B.

The S041U703 suffix should be visible and readable on the original driver label. Suffix-specific versions may not be interchangeable with general-purpose units.

When C24U3A appears on the original unit, include it in the inquiry as an additional identification reference.

This listing is prepared for the Panasonic CM602 application. Do not assume compatibility with CM402, CM202, CM101 or another placement machine unless the corresponding machine documentation confirms it.

Public parts references are not fully consistent regarding the axis designation for this part number. Buyers should verify the axis from the machine BOM, wiring diagram, original installation position or service documentation.

Compare the following details:

The driver and motor must be an approved combination. An incorrect motor-driver combination can produce an alarm or unstable operation.

Ask for the required condition clearly:

• Original new.
• New old stock.
• Tested original used.
• Refurbished.
• Exchange service.
• Repair service.

The available option, warranty and lead time should be written into the quotation.

Ask whether the unit is supplied with the required machine parameters, whether parameter transfer is required, and whether installation support is available.

Before confirming the order, use the following checklist.

The inspection level should be selected according to the supplied product condition.

The exact test scope should be confirmed in the quotation because testing capability may differ for new, used, exchange and repaired units.

Servo amplifiers contain sensitive electronic assemblies and should be protected against static electricity, moisture, impact and terminal damage.

1. Fit protective covers to exposed connectors.
2. Place the unit inside an anti-static bag.
3. Add moisture protection when required.
4. Use foam around all sides of the driver.
5. Protect the terminal block and cooling fan.
6. Place the unit in a strong inner carton.
7. Use an additional export carton for international delivery.
8. Attach the part number and model identification label.
9. Include the packing list and inspection information.
10. Use suitable express, air or sea shipping according to urgency.

N510002594AA is the Panasonic equipment part number, while MR-J2S-350B-S041U703 is the complete servo amplifier model. Both references should be checked together because ordering only by the base MR-J2S-350B number may result in receiving a non-matching standard version.

Direct replacement is not recommended without technical verification. The S041U703 suffix may indicate an OEM-specific configuration involving parameters, software, connectors or machine settings. The complete model, original label, motor combination and CM602 controller requirements should be confirmed before installation.

Public spare-parts references are inconsistent regarding the exact axis designation. For accurate ordering, confirm the axis from the original installed unit, Panasonic machine BOM, electrical drawing, cable position or service documentation. The product listing therefore uses the safer description “CM602 Axis Servo Driver.”

Please provide the machine model, Panasonic part number, complete servo driver model, quantity, required condition, delivery country and clear photos of the original label and connectors. Providing the alarm code and connected motor model will further improve compatibility checking.

Inspect the servo motor, encoder cable, SSCNET cable, power wiring, grounding, mechanical axis resistance, regenerative circuit and parameter configuration. A driver alarm does not always mean that the amplifier itself is defective, so the complete motion-control system should be diagnosed.

For quotations, availability, compatibility checking, repair requirements or international shipping, please send the complete model information and clear product photos.

Please include the following information in your inquiry:

Trademark Notice: Panasonic, Mitsubishi, MELSERVO and related model names are trademarks of their respective owners. They are used only to identify equipment compatibility and replacement-part requirements. SMT PARTS SUPPLY LTD is an independent spare-parts supplier unless otherwise stated.