The servo motor category is the EP series: the company listing describes its servo motors as permanent magnet synchronous motors, with the EP25 carrying a fuller paragraph and the EP18 listed by name at family level. The EP25 paragraph describes an AC permanent magnet synchronous motor with an embedded structure, and that wording belongs to the EP25, not to the whole series. A servo motor is never bought alone in any meaningful sense, because it works as one half of a pairing with its drive. This page therefore treats the motor category as a pairing problem: the motor listing here, the servo drive listing on the ES700 page, and an inquiry that describes the machine motion the pair has to produce.
Servo motors: the listed range
EP25 Servo Motor
The EP25 AC permanent magnet synchronous motor listing.
ES700 Servo Drive
The ES700 general servo drive listing and its listed industries.
What Is a Servo Drive?
The concept guide behind the servo pages.
Blog
Application notes and concept guides from the drive team pages.
Servo motors listing table
| Item | As listed |
|---|---|
| EP25 | AC permanent magnet synchronous motor, as described in its listing paragraph |
| EP18 | Listed by name at family level |
| Pairing | Discussed together with the ES700 servo drive listing |
Choosing within servo motors
The control method behind servo motors is only part of the story, since wiring practice, earthing, filtering and the quality of the feedback signal decide whether the theoretical behaviour survives contact with a real cabinet and a real production floor. Protection behaviour matters as much as performance, so a serious discussion of servo motors covers what the machine should do on overload, on a supply disturbance and on a sensor fault, and who on site is expected to reset, record and report each event. Start the selection for servo motors with the driven machine, not with the drive, and write down what the machine does in one plain paragraph, because that paragraph will expose more bad assumptions than any rating table read in isolation.
Servo motors on site
If the machine will be resold or integrated into a larger line, servo motors has to be chosen with the next owner in mind, which argues for clear labelling, standard signals and settings that another engineer can understand without the original installer present. Allow time in the schedule for servo motors to be set up properly, with the load connected, the safety chain proven and the operator present, instead of compressing commissioning into the last hour before a production deadline. Build a simple fault log for servo motors from day one, with the date, the machine state, the message shown and the action taken, because patterns that are invisible in memory become obvious in even a rough written record.
Confirm before you order
For servo motors, a short inquiry that names the machine and the duty will always beat a long inquiry that names neither.
Please confirm the minimum order quantity and delivery time before ordering. Please confirm delivery time, packing and delivery terms before payment. Please send the motor details, the load details and the site conditions with your inquiry, so the reply can be checked against your machine rather than against a general description.
Explore related pages
EP Series Servo Motors
The EP series servo motor listings.
Servo Drives
The servo drive category built around the ES700 listing.
What Is a Servo Drive?
The concept guide behind the servo pages.
Application notes on this topic
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