Perfect match: MR-J5 servo with EtherCAT & FSoE
EtherCAT and FSoE are crucial for modern servo systems. They enable real-time capability, functional safety, and seamless network integration. Particularly dynamic applications such as linear drives, rotary indexing tables, or high-precision machines require fast, safe, and integrated control solutions. With the MELSERVO-J5 series, Mitsubishi Electric offers a servo system that guarantees maximum precision, maximum safety, and easy integration into Industry 4.0 environments.
MR-J5 with EtherCAT: The right choice for your automation
In modern production lines, servo drives must meet numerous requirements. They must operate quickly, safely, and reliably, while also being energy-efficient and integrating seamlessly into existing control systems. The MR-J5 meets precisely these criteria:
- Real-time communication with 125 µs cycle time via EtherCAT
- Integrated safety functions according to IEC 61508 and IEC 61784-3
- Energy efficiency through use of the regenerative DC link
- Space-saving concepts thanks to multi-axis servo amplifiers
- Failsafe over EtherCAT (FSoE) for safety signals without additional wiring
These features reduce installation costs, optimize performance, and increase the flexibility of automation systems.
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Why the MR-J5 servo motor with EtherCAT optimizes your production
The combination of high dynamics, integrated functional safety, and simple network integration makes the MR-J5 the ideal solution for modern machine concepts. The MR-J5 really comes into its own in applications that require maximum precision and short cycle times, such as linear motors, gantry axes, or high-precision manufacturing applications. It optimizes system performance, reduces costs, and increases availability.
Higher speed through maximum precision and dynamics for your servo drive technology in the EtherCAT network
Controlling modern manufacturing processes efficiently and precisely requires particularly fast and reliable drive technology. The MR-J5 combines maximum dynamics with precise control, enabling the shortest cycle times with maximum accuracy. This makes it easy to implement even the most demanding motion profiles.
✔ 3.5 kHz frequency response: For dynamic applications requiring maximum precision and speed.
✔ One-touch tuning: Automatic control parameterization for quick and easy commissioning.
✔ 125 µs Kommunikationszyklus: Efficient and reliable data transmission in the EtherCAT network.
Greater safety through integrated safety functions and functional safety with Fail Safe over EtherCAT FSoE
The safety functions of the MR-J5 are integrated directly into the amplifier, eliminating the need for additional remote I/O components. This streamlines the architecture and significantly reduces installation costs.
Up to three safety inputs and outputs are available directly on the amplifier. Protection mechanisms such as STO, SS1, and SLS are already integrated and ensure standard-compliant safety during operation. Even in environments with the highest operator protection requirements, productivity is fully maintained.
Commissioning is also particularly easy. Equipped with spring-loaded connectors, all connections can be made quickly and reliably. This reduces installation time, minimizes sources of error, and allows the overall systems to be set up much more efficiently.
Lower costs thanks to compact servos, multi-axis servo amplifiers, and high energy efficiency
In addition to safety and performance, cost-effectiveness is a key consideration for many companies. This is precisely where the MR-J5 series comes in: it has been developed to deliver significant cost savings both in terms of purchase price and operation.
The availability of two- and three-axis servo drives enables space-saving control cabinet concepts and reduces investment in additional hardware. Cabling is also simplified, as FSoE transmits safety-related signals directly via the network.
In addition, the split DC link ensures that braking energy is not lost but fed back into the system. This reduces energy costs and at the same time protects the components, as less heat is generated. The system is complemented by the integrated predictive maintenance function. It detects deviations at an early stage and enables targeted maintenance planning. This prevents unplanned downtime and reduces total operating costs in the long term.
Deep dive: Why you should rely on our servo amplifiers in the EtherCAT network!
The MR-J5 series combines state-of-the-art control technology, precise real-time data transmission, and intelligent maintenance functions in a single system. This means it not only delivers high dynamics and stability, but also long-term reliability. For companies, this translates into greater performance, increased safety, and future-proofing in an increasingly digitalized production environment.
Particularly noteworthy is the possibility of predictive maintenance. AI-supported analysis mechanisms continuously monitor mechanical components. Deviations are detected at an early stage, allowing maintenance to be planned and downtime to be avoided.
For those interested, Mitsubishi Electric is offering a free webinar with product manager Eric Irabor. The webinar will explain the technologies in a practical way and present specific applications. Registration is possible at any time via the contact form.
Fill in your details now and download the webinar!
What makes our MELSERVO MR-J5 stand out?
The MELSERVO-J5 sets new standards in drive technology. It was developed specifically for modern manufacturing requirements and combines precision, flexibility, and integration in a single system. With support for protocols such as EtherCAT and FSoE, it can be integrated into single-axis and multi-axis systems, offering companies a future-proof solution.
This brings clear advantages for users. Development times are significantly reduced because the MR-J5 is easy to integrate. At the same time, existing systems can be expanded without any problems and without the need for major changes. In addition, the robust technology ensures higher machine availability and makes the MR-J5 an investment that pays off both technologically and economically.
Maximum machine performance with the new MELSERVO J5 series
The MELSERVO-J5 series takes machine performance, ease of use, maintenance, and safety to a whole new level. It combines maximum dynamics with intelligent technology, making it the ideal solution for a wide range of applications in modern industry.
Product overview of our latest servo systems
Technical information
| Compatible models | MR-J5-G all models with the labeling "N1" |
| Communication specification | CANopen
over EtherCAT (CoE), Ethernet
over EtherCAT (EoE), FailSafe
over EtherCAT (FSoE), FileAccess over EtherCAT (FoE) |
| Network protocol | CiA 402 |
| Communication cycle | 0,125 ms / 0,25 ms / 0,5 ms / 1 ms / 2 ms / 4 ms / 8 ms |
| Control mode | Cyclic synchronous position
mode (csp),
Cyclic synchronous velocity mode
(csv),
Cyclic synchronous torque
mode (cst),
Profile position mode (pp),
Profile velocity mode
(pv),
Profile torque mode (tq),
Homing mode (hm) |
| FSoE usage | Can be used with certified EtherCAT master |
Certification & Safety Compliance – What to Expect with MR-J5
The MR-J5 series supports FSoE and is certified according to IEC 61508 (SIL3), IEC 61784-3, and ISO 13849 (PL e). This makes it ideal for safety-critical applications such as safety door systems, robot cells, or gantry axes. The preconfigured safety functionality saves additional hardware costs and significantly simplifies overall certification.
FAQ – Frequently asked questions about MR-J5 servo drives with EtherCAT & FSoE
Which MR-J5 models support EtherCAT & FSoE?
All MR-J5-G models labeled “N1” are EtherCAT-compatible. They fully support FSoE for integrated safety functions. Multi-axis amplifiers for two to three axes are also available.
Which controllers and networks are compatible?
The MR-J5 servos are open-architecture and can be flexibly integrated into existing systems. They are compatible with Codesys, TwinCAT, Profinet, EtherNet/IP™, and CC-Link IE Field.
How does predictive maintenance work?
Integrated AI monitors mechanical components such as spindles, timing belts, and gearboxes in real time. Deviations are detected early on, allowing maintenance to be planned in a targeted manner and preventing downtime.
How accurate is the system?
A 26-bit absolute encoder delivers over 67 million pulses per revolution. Combined with high dynamics of 3.5 kHz and automatic vibration suppression, the system achieves extremely high accuracy.
Is FSoE certified?
Yes, the MR-J5 series is TÜV-certified in accordance with IEC 61508 (SIL3) and IEC 61784-3. Safety integration is preconfigured and requires no additional hardware.
Further documents available to download
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