Kollmorgen PRDRHP720SNZ-65 Servo Drive Spare Part

Technical Specifications

Model:PRDRHP720SNZ-65

Brand:Kollmorgen

Part No:PRDRHP720SNZ-65

Product type:Digital servo amplifier

Input voltage:380/480V AC three phase

Continuous output current:20A

Peak output current:60A

Rated power:11.5kW

Dimension:360mm225mm260mm

Weight:15.2kg

Feedback interface:Resolver / incremental encoder

Mounting:Cabinet rack mounting

Cooling:Built-in fan cooling

Protection class:IP20

Operating temperature:0~40℃

Storage temperature:-20~70℃

Relative humidity:5~95% non-condensing

Certification:CE,UL

System compatibility

PRDRHP720SNZ-65 belongs to Kollmorgen ServoStar CD / PRD series high power servo drive family,matched with Kollmorgen AKM and Silverline large frame servo motors,widely used in heavy-duty CNC machine tools,cutting equipment,material handling and metal forming systems.This is discontinued industrial spare part for equipment overhaul and maintenance.

Function

PRDRHP720SNZ-65 is high-power three-phase digital servo amplifier,Z represents hardware revision suffix 65 is version code.It supports torque,speed and position control mode,accept ±10V analog command,step/direction signal or RS485 serial command.Resolver or incremental encoder feedback for closed-loop motion control.Built-in overcurrent,overvoltage,undervoltage,overtemperature protection,parameter configuration and motor tuning can be completed through dedicated software.

Installation

Install PRDRHP720SNZ-65 inside electrical cabinet by rack mounting.Connect three-phase power wiring,motor power cable,feedback cable and control signal wiring.Fasten terminals,complete shielding and grounding inspection before power-on test.

Interface

‑3 phase 380/480V AC power terminal

‑Motor power output terminal

‑Resolver / incremental encoder feedback connector

‑±10V analog command / step direction port

‑Digital input and output terminal

‑RS232 / RS485 communication port

‑Shield grounding terminal

Circuit feature

Digital closed-loop control design,four-quadrant high power IGBT power stage,integrated dynamic braking circuit,multi fault protection circuit,forced air cooling,strong overload capacity and good anti-interference performance.

Feature

PRDRHP720SNZ-65 is obsolete Kollmorgen spare part.Typical faults:IGBT module damage,electrolytic capacitor aging,feedback circuit failure,cooling fan failure,internal auxiliary power breakdown,connector corrosion.Test DC bus voltage,output three-phase balance and feedback signal before replacement.

Diagnostic

Drive faults will trigger overcurrent,overvoltage,undervoltage or overtemperature alarm;motor no action,position drift,axis abnormal vibration.

Built‑in function:Command signal processing,motor power amplification,speed/torque/position closed-loop control,fault safety protection,as Kollmorgen legacy heavy-duty CNC servo drive spare replacement.

Product Brief

PRDRHP720SNZ-65 is Kollmorgen ServoStar CD high power 380V servo amplifier,Z hardware revision,paired with large frame AKM / Silverline servo motors for heavy-duty CNC automation systems.Confirm power rating,feedback type and control signal before ordering.ESD protection required during handling and installation.