Multi-axis servo drive
Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive
A four-axis EtherCAT servo drive in one housing, 400-1500 W per axis on 220 or 400 VAC, with two STO circuits shared across the axes.
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Configure Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive
Select the products and performance you need. Our UK engineering team can use your specification to help source the right components, pricing and supply options. See your summary before adding contact details.
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What are you specifying?
Select everything you need. A motor, drive and gearbox can be specified together as one axis.
Key specifications
| Power | 400–1,500 W |
|---|---|
| Supply | 1ph/3ph 200-240 VAC or 380-440 VAC |
| Feedback | RS485 serial absolute encoder (23-bit) |
| Fieldbus | EtherCAT |
| Axes | 4 |
| Continuous current (max) | 6.8 A |
| Peak current (max) | 20.4 A |
| Safe torque off | 2 circuits common to all axes |
Series ranges as published; individual models vary. The full datasheet, drawings and CAD models are available on request.
Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive replacement and alternative options
Use these supply-network options as a starting point for an engineering check. We can also help source the original Leadshine part. Published series figures do not establish an exact-model or drop-in replacement: confirm ratings, fit, interfaces and approvals for your application.
Network-capable AMC digital drives spanning 10-747 VDC and 120-480 VAC, up to 150 A continuous and 250 A peak (27.4 kW peak power), in PCB, panel, machine and vehicle formats. They support almost any motor type and feedback, plus CANopen, EtherCAT, POWERLINK and Modbus.
| Published maximum | 4EL7-EC Four-Axis EtherCAT AC Servo Drive | DigiFlex Performance Servo Drives (DP,… |
|---|---|---|
| Continuous current | 6.8 A | 150 A meets or exceeds |
| Peak current | 20.4 A | 250 A meets or exceeds |
| Power | 1,500 W | 27,400 W meets or exceeds |
| Axes | 4 | — |
The established FD5 AC drive at 200 W-3 kW on 220 or 380 VAC, offered in RS485, CANopen, EtherCAT and Profinet versions with BiSS-C or Nikon-A absolute feedback.
| Published maximum | 4EL7-EC Four-Axis EtherCAT AC Servo Drive | FD5 Series AC Servo Drives |
|---|---|---|
| Continuous current | 6.8 A | 10 A meets or exceeds |
| Peak current | 20.4 A | 27.5 A meets or exceeds |
| Power | 1,500 W | 3,000 W meets or exceeds |
| Axes | 4 | — |
Kinco's new-platform AC servo drive for SMK motors, 400 W-7.5 kW on 220 or 380 V, with 17/23-bit absolute encoder support and RS485, EtherCAT or PROFINET variants.
| Published maximum | 4EL7-EC Four-Axis EtherCAT AC Servo Drive | FD5P (PRO) Series AC Servo Drives |
|---|---|---|
| Continuous current | 6.8 A | 26 A meets or exceeds |
| Peak current | 20.4 A | 65.06 A meets or exceeds |
| Power | 1,500 W | 7,500 W meets or exceeds |
| Axes | 4 | — |
Figures are the highest published for each series and are not always measured the same way. A higher figure is not automatically a better choice: mounting, duty cycle, feedback, connectors and approvals matter too. An engineer will check the fit against your application before recommending anything.
Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive model codes
Published model codes in the 4EL7-EC Four-Axis EtherCAT AC Servo Drive range. Search this page for your part number, or send it to us for availability, pricing and lead time.
| Model code | Pricing / replacement |
|---|---|
| 4EL7-ECA05 | Quote or replacement for 4EL7-ECA05 → |
What a multi-axis servo drive is
A multi-axis servo drive controls two or more servo motors from one unit, usually sharing a power supply, DC bus and communication interface. Formats include compact two- to four-axis drives in one housing and modular systems with a common supply module and separate axis modules. Sharing the bus lets energy from a decelerating axis be used by others, reducing braking losses. Most connect to a motion controller or PLC over EtherCAT or another industrial Ethernet network.
When engineers choose a multi-axis servo drive
Choose a multi-axis drive for machines with several coordinated servo axes in one cabinet, such as robots, packaging machines and gantries. It saves space, wiring and cost per axis compared with single drives. The trade-offs are flexibility and fault isolation: axes share the supply, so a supply fault affects all axes, and replacing one module may need specific spare strategy. Mixing very different power levels can be limited by module ranges.
How to specify the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive
Send these with your enquiry and an engineer can confirm the right 4EL7-EC Four-Axis EtherCAT AC Servo Drive variant:
- Number of axes and power per axis (A, kW)
- Supply voltage (V AC or DC)
- Network interface and cycle time
- Motor and feedback types
- Shared bus and regenerative energy handling
- Safety functions per axis
- Cabinet size and cooling
Common mistakes to avoid
- Sizing supply module for the sum of peaks without considering simultaneous demand
- Ignoring how one fault affects all axes
- Choosing modules without room for future axes
- Overlooking network cycle time with many axes
Typical applications
Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive: frequently asked questions
Can you help replace Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive or source the original?
Send the full model code, quantity and required date. Our engineers can check original-part availability and assess suitable alternatives, including supply-network options where appropriate. We confirm compatibility and any changes needed before recommending a replacement.
What is the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive?
A four-axis EtherCAT servo drive in one housing, 400-1500 W per axis on 220 or 400 VAC, with two STO circuits shared across the axes. Published series figures include power 400 W, power 1,500 W, axes 4, continuous current 6.8 A. It is available through our supply network, and our engineers can confirm the right variant for your application.
What model codes are in the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive range?
The 4EL7-EC Four-Axis EtherCAT AC Servo Drive range includes 4EL7-ECA05. The table on this page lists each published model code with its key figures. Send us the code you use, or the one you need to replace, and our engineers will confirm availability, lead time or the closest equivalent.
Who makes the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive?
The Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive is made by Leadshine (Leadshine Technology) available through our supply network. Send us your requirement for pricing, lead time, datasheets and CAD.
What is the power of the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive?
The published series minimum power is 400 W. Individual models and sizes in the 4EL7-EC Four-Axis EtherCAT AC Servo Drive range vary, so check the exact variant against your duty cycle, mounting and environment, or ask our engineers to confirm the right size for you.
Is there an alternative to the Leadshine 4EL7-EC Four-Axis EtherCAT AC Servo Drive?
We can assess suitable replacement options. On published figures, ADVANCED Motion Controls DigiFlex Performance Servo Drives (DP, DZ, DV) and Kinco FD5 Series AC Servo Drives are options to assess from our supply network. An engineer confirms the fit against your application before recommending anything.
What are the benefits of a shared DC bus?
On a shared DC bus, energy regenerated by a decelerating axis can be used by other axes that are accelerating, reducing the energy dissipated in braking resistors. It also reduces wiring and supply components. Sizing must consider simultaneous peak demand on the shared supply.
Are multi-axis drives cheaper than single-axis drives?
Typically, per axis, multi-axis drives cost less and take less cabinet space, because the supply, communication and housing are shared. The saving grows with the number of axes. For machines with only one or two axes, or widely separated axes, single drives can be simpler.
Further reading: How to select a multi axis servo drive · How to select a servo drive · Servo drives
Often compared with
Engineers specifying this series often compare it with:
Other multi-axis servo drive series
Engineer support
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