Motion controller
Inovance AM522 motion controller
CODESYS (IEC 61131-3) motion controller with 16 EtherCAT-synchronised axes plus 4 pulse axes and optional CANopen point-to-point axes, PLCopen axis control and up to 127 EtherCAT slaves.
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Key specifications
| Data / bus | EtherCAT, CANopen |
|---|---|
| Fieldbus | EtherCAT (up to 127 slaves), optional CANopen |
| Axes | 16 |
| Programming | CODESYS, IEC 61131-3, PLCopen motion |
| Io | 8 high-speed inputs (200 kHz), 4 encoder inputs, up to 16 GL20 local modules |
Summarised in our own words from Shenzhen Inovance Technology Co., Ltd.'s published data; series maxima, individual models vary. Last checked 2026-10-30. Source 1
Notes on this data
AM521 variant: 8 EtherCAT axes.
Specify Motion is not affiliated with Shenzhen Inovance Technology Co., Ltd.. Inovance and AM522 motion controller are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Inovance AM522 motion controller replacement and alternative options
Use these supply-network options as a starting point for an engineering check. We can also help source the original Inovance part. Published series figures do not establish an exact-model or drop-in replacement: confirm ratings, fit, interfaces and approvals for your application.
Slim 54 mm EtherCAT motion controller programmed in CODESYS, running up to 32 synchronised axes on a 1 ms cycle with RP20 I/O expansion.
| Published maximum | AM522 motion controller | AK (AK8 / AK840) |
|---|---|---|
| Axes | 16 | 32 meets or exceeds |
CODESYS-based PLC/motion controller with EtherCAT for 8, 16 or 32 axes plus 6 local pulse axes, dual-core SOC+FPGA and 32-module R2 I/O expansion.
| Published maximum | AM522 motion controller | MC500 (MC508CS / MC516CS / MC532CS) |
|---|---|---|
| Axes | 16 | 32 meets or exceeds |
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.
Typical applications
What a motion controller is
A motion controller plans and coordinates movement for one or more axes, sending position, velocity or torque commands to servo or stepper drives. It generates trajectories with defined acceleration and jerk, synchronises axes for interpolation, electronic gearing and camming, and handles homing, limits and registration inputs. Commands reach drives over pulse, analogue or, most commonly now, EtherCAT and other real-time networks. Many controllers also include PLC functions to IEC 61131-3, combining logic and motion.
When engineers choose a motion controller
Choose a dedicated motion controller when a machine needs coordinated multi-axis motion beyond basic point-to-point moves, such as robots, gantries, packaging and CNC. It gives deterministic timing and motion libraries. The trade-offs are cost, programming effort and ecosystem lock-in. For simple machines with a few independent axes, a PLC with motion function blocks or intelligent drives with stored moves may be enough.
How to specify the Inovance AM522 motion controller
Send these with your enquiry and an engineer can confirm the right AM522 motion controller variant or an equivalent:
- Number of axes and drives
- Network and cycle time (ms)
- Motion functions: interpolation, camming, robotics
- Programming environment and languages
- I/O and expansion
- HMI and connectivity
- Safety integration
Common mistakes to avoid
- Choosing a controller that does not support the drives' network
- Underestimating cycle time needs for many axes
- Ignoring programming tools and skills in the team
- Not planning for future axis count
Inovance AM522 motion controller: frequently asked questions
Can you help replace Inovance AM522 motion controller 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 Motion Control Products options where appropriate. We confirm compatibility and any changes needed before recommending a replacement.
What is the Inovance AM522 motion controller?
CODESYS (IEC 61131-3) motion controller with 16 EtherCAT-synchronised axes plus 4 pulse axes and optional CANopen point-to-point axes, PLCopen axis control and up to 127 EtherCAT slaves. Published series figures include axes 16. It is made by Shenzhen Inovance Technology Co., Ltd.; Specify Motion can help source it or propose an equivalent.
Who makes the Inovance AM522 motion controller?
The Inovance AM522 motion controller is made by Inovance (Shenzhen Inovance Technology Co., Ltd.) and is listed here for engineers comparing options. Specify Motion is not affiliated with Shenzhen Inovance Technology Co., Ltd.; brand names are used only to identify the product.
What is the axes of the Inovance AM522 motion controller?
The published series maximum axes is 16. Individual models and sizes in the AM522 motion controller 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 Inovance AM522 motion controller?
We can assess suitable replacement options. On published figures, Kinco AK (AK8 / AK840) and Leadshine MC500 (MC508CS / MC516CS / MC532CS) are options to assess from our supply network. An engineer confirms the fit against your application before recommending anything.
What is the difference between a motion controller and a PLC?
A PLC handles machine logic, sequencing and I/O. A motion controller specialises in trajectory planning and coordinating axes. Many modern controllers combine both, running PLC logic and motion libraries on one CPU. Choose based on axis count, motion complexity and timing requirements.
Why is EtherCAT common for motion control?
EtherCAT offers short cycle times, precise synchronisation using distributed clocks and simple cabling, which suit coordinated multi-axis motion. Many drives and I/O devices support it. Other real-time networks such as PROFINET IRT and Sercos are also used, so check what the drives and controller support.
Further reading: How to select a motion controller or plc · Controllers and PLCs
Other motion controller series
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