Oriental Motor AZX Battery-Free Absolute Servo Systems Review: Specs, Price and Applications

AZX combines a servo motor with Oriental Motor’s battery-free mechanical ABZO multiturn absolute-encoder technology. The matched system uses an AZXD driver selected for EtherCAT, EtherNet/IP or PROFINET. It should be distinguished from the related AZ stepper family even though the engineering workflow and basic operations are designed for combined use.
Quick Verdict
Consider AZX where high-speed servo duty and battery-free position retention fit the machine. Battery-free feedback removes a battery-maintenance task, but it does not establish unlimited turn counting, load-side accuracy or independent collision-free restart. Specify the complete motor, driver, cables and any gear/brake option.
Oriental Motor AZX Battery-Free Absolute Servo Systems at a Glance
Specification | Details |
Motor class | Servo motor with mechanical ABZO absolute feedback |
Absolute count scope | ±900 motor-shaft rotations from configured reference in described system |
Current lineup examples | 400 W and 600 W; exact motor/geared configuration |
Driver | Matched AZXD; selected EtherCAT /EtherNet/IP /PROFINET |
Driver supply example | Single-/three-phase 200–240 VAC as specified |
Options | Selected planetary gearing and non-excitation holding brake |
Engineering | MEXE02 configuration and supported sequence functions |
Design and Engineering Assessment
The absolute encoder identifies motor-shaft position within its specified counting scope. A gearbox, coupling or external mechanism can introduce backlash or lose a load reference independently of the encoder. Define what “known position” means at the actual process point.
A400 W or 600 W label does not describe every torque/speed operating point. Match the rated and instantaneous torque curve, winding, driver and duty. Planetary-geared output torque belongs to the chosen ratio and gearbox limits, not the bare motor shaft.
A non-excitation brake can support holding within its documented purpose. Do not assume it can absorb every dynamic stop or constitute the entire gravity-axis protective function. Stopping, holding and maintenance isolation need explicit roles in the machine design.
Select a Matched AZX System
Specify motor power/frame, shaft/gearing, brake, driver/network and cable lengths. Configuration Ethernet or a common family workflow does not imply arbitrary protocol interchangeability.
Define the encoder reference, permissible turns, units and limits. Keep a record of gear ratio and load datums, especially where motor counts are translated into a linear mechanism.
Accept High-Speed and Recovery Behavior
Verify direction and scaling, then evaluate acceleration, tracking, settling and temperature with the real load. Use the supported flexible cable where motion repeatedly bends the cable.
Test controlled restoration after power loss and replacement. Retain MEXE02 project, driver release, reference offsets and exact hardware identity so known motor coordinates restore a known process state.
Applications and Selection
Industrial positioning and continuous servo motion with matched absolute-feedback and network requirements.
For Oriental Motor AZX Battery-Free Absolute Servo Systems, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Price: Request a quote for the exact configuration. Compare the product, compatible control equipment, required mechanical parts, cabling and commissioning as one installed system. A component price alone does not represent the cost of a working automation axis.
Evaluate an alternative against the same duty and acceptance criteria. Match the continuous operating requirement first, then compare transient capability, feedback, mechanical fit and support. This avoids choosing between superficially similar products whose ratings describe different operating conditions.
Pros and Cons
Advantages
Battery-free multiturn mechanical feedback
Matched networked servo architecture
Motor, gearing and brake choices
Limitations
Absolute shaft position is not universal load accuracy
Motor/driver/cables must be matched
Brake function and turn-count range have limits
Who Should Consider Oriental Motor AZX Battery-Free Absolute Servo Systems?
Consider Oriental Motor AZX Battery-Free Absolute Servo Systems for industrial positioning and continuous servo motion with matched absolute-feedback and network requirements. Establish the required operating point and installation interfaces before choosing the configuration, and use a representative loaded cycle as the acceptance basis.
Oriental Motor AZX Battery-Free Absolute Servo Systems FAQ
Is AZX the same as an AZ stepper?
No. AZX is the servo system; related operation does not make the motor architectures identical.
Does it require an encoder battery?
The described ABZO mechanical absolute technology is battery free.
Is the multiturn range unlimited?
No. The described range is±900 motor-shaft rotations from the configured reference.
Does known motor position prove known load position?
Not always. Gearbox, coupling and fixture references must be included.
Are all network protocols active on one arbitrary driver?
No. Select the actual AZXD network version.
Is 600 W continuous torque at every speed?
No. Use the selected torque-speed and duty data.
Is the optional brake a universal dynamic safety brake?
No. Apply its documented holding/stopping scope within the complete machine design.
What should a spare preserve?
Motor/gear/brake, driver protocol, cables, firmware, project and reference offsets.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.





