Kollmorgen S21260-SRS Servo Drive Spare Part

Technical Specifications

Model:S21260-SRS

Brand:Kollmorgen

Part No:S21260-SRS

Product type:Digital servo amplifier

Input voltage:120/240V AC,1/3-phase

Continuous output current:12A RMS

Peak output current:18A

Rated power:4.0kW

Dimension:220mm70mm165mm

Weight:1.75kg

Feedback interface:Resolver,SFD,Hall sensor,sine encoder

Mounting:Cabinet panel 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

S21260-SRS belongs to Kollmorgen S200 servo drive family,matched with Kollmorgen AKM series brushless servo motors,widely used in packaging machinery,printing equipment,CNC axes and medium-duty multi-axis synchronous positioning systems.This is discontinued industrial spare part for equipment overhaul and maintenance.

Function

S21260-SRS is panel-mounted digital servo amplifier with SynqNet interface.It adopts four-quadrant regenerative braking control,supports torque,speed and position operating modes,accept SynqNet digital bus command.Resolver,SFD or sine encoder feedback realizes high precision closed-loop motion control,supports multi-axis shared DC bus connection.Built-in STO safe torque off safety function,auto-tuning and electronic gearing function;overcurrent,overvoltage,undervoltage,overtemperature protection,parameter setting and motor tuning can be completed by dedicated software.

Installation

Install S21260-SRS inside electrical cabinet by panel mounting.Connect AC power wiring,motor power cable,feedback cable and SynqNet bus cable.Fasten terminals,complete shielding and grounding inspection before power-on test.

Interface

‑120/240V AC power terminal

‑3 phase motor power output terminal

‑Resolver / SFD / sine encoder feedback connector

‑Digital input and output terminal

‑SynqNet communication port

‑STO safety terminal

‑Shield grounding terminal

Circuit feature

Digital closed-loop control design,IGBT four-quadrant power stage,integrated dynamic braking circuit,multi fault protection circuit,forced air cooling,large overload capacity and fast dynamic response.

Feature

S21260-SRS is obsolete Kollmorgen spare part.Typical faults:IGBT module damage,electrolytic capacitor aging,feedback circuit failure,SynqNet communication fault,cooling fan failure,auxiliary power breakdown,connector corrosion.Test DC bus voltage,three-phase output balance and feedback signal before replacement.

Diagnostic

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

Built‑in function:Command signal processing,motor power amplification,speed/torque/position closed-loop control,fault safety protection,as Kollmorgen S200 series high power SynqNet servo amplifier spare replacement.

Product Brief

S21260-SRS is Kollmorgen S200 series servo amplifier,4.0kW rated power,12A continuous output with SynqNet and STO function,matched with AKM servo motors for medium-duty multi-axis automation systems.Confirm power rating,feedback type and bus protocol before ordering.ESD protection required during handling and installation.