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LENZE Inverter
Brand: LENZE -
Code:EVS9323-ES
| Combination name | Availability | Price |
|---|---|---|
AC Servo Inverter – LENZE EVS9323-ES
The EVS9323-ES is an AC servo inverter (“AC Servo Inverter”) from the 9300 series manufactured by Lenze, designed for field-oriented vector control of synchronous and asynchronous AC servo motors in industrial automation and CNC machine tool applications. The unit implements PWM modulation with high-dynamic speed and torque regulation; the ES variant identifies a specific functional and communication configuration within the EVS9300 family. The device supports feedback via incremental encoder or resolver and fieldbus protocols for seamless integration into the machine control system.
The EVS9323-ES is the axis controller that receives the position or speed reference from the CNC and generates the output voltage and frequency required to drive the motor with micrometric precision in both speed and torque. A failure of this component renders the controlled axis completely inoperative: the machine stops on alarm, the current machining operation must be aborted with the consequent risk of scrapping the workpiece in progress, and recovery requires replacement or repair of the module before the production cycle can be restarted.
Lenze SE is a German company headquartered in Aerzen (Lower Saxony), founded in 1947 and specialised in drive and industrial automation technology: frequency inverters, servo drives, gearboxes and control systems for the manufacturing industry. The EVS9300 series has been progressively superseded by next-generation platforms (including the i700 series); products in the EVS9300 family are now considered legacy / discontinued and available exclusively as used spare parts, NOS surplus or through specialist repair services.
Main Technical Specifications
| Type | Three-phase AC servo inverter – AC Servo Inverter (9300 series) |
| Part number | EVS9323-ES (EVS9323ES) |
| Brand | Lenze (Lenze SE, Germany) |
| Series | EVS9300 – Single-axis servo inverter |
| Known application | CNC machine tools, industrial automation systems with synchronous and asynchronous AC servo motors |
| Function | Field-oriented vector control (FOC) of speed and torque on synchronous / asynchronous AC servo motor |
| Input voltage | 3×400 V AC ±10 %, 50/60 Hz |
| Rated power | ~4–7.5 kW |
| Control type | Field-oriented vector control (FOC) with PWM modulation; position, speed and current loops |
| Feedback | Incremental encoder (TTL/HTL) or resolver; sin/cos support (typical 9300 series) |
| Communication interfaces | CANopen / LECOM / optional fieldbus (depending on ES variant) |
| Digital / analogue I/O | Digital and analogue inputs/outputs for enable, alarm and speed reference (typical 9300 series) |
| Weight | ~3–7 kg |
| Dimensions | ~200–400 mm × 100–250 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
