Model Code Definition(DKC02.3-100-7-FW)

DKC: Digital Kontrollgeraet, standard code of Indramat digital servo driver series

02: DKC second-generation product platform, ECODRIVE03 hardware base series

.3: Version 3 hardware iteration, optimized power circuit & bus peripheral layout

100: Rated continuous output current 100A, corresponds to about 30kW servo power grade

7: Main circuit specification code, nominal DC bus 700VDC, compatible 200~480VAC 3-phase industrial power input

FW: Firmware configurable version, firmware data supplied separately according to customer application requirement

Original factory PN:R911279430

Core Technical Parameters

Power & Electrical Spec

Main Input Power:1/3-phase AC 200~480V±10%, input frequency 50/60Hz

Control Aux Power:24VDC for control board & logic circuit

DC Bus Rated Voltage:700VDC, max output voltage 800VAC

Rated Output Current:100A continuous, 250A peak overload for acceleration startup

Output Phase:3-phase AC for synchronous servo motor driving

Protection Configuration:Overvoltage, undervoltage, overcurrent, overheat, short-circuit, encoder fault, phase loss full protection inside module

Mechanical & Environmental Spec

Dimension(W×H×D):105mm×360mm×261mm

Net Weight:9.7kg

Protection Grade:IP20, cabinet inner installation only

Operating Temp:0℃~+45℃ full-load rated output; +45~+55℃ derating operation

Storage Temp:-20℃~+80℃

Max Install Altitude:≤1000m above sea level without power derating

Control & Encoder Parameter

Control Mode:Full digital Position Loop / Speed Loop / Torque Loop three optional working modes

Position Feedback:Supports resolver, incremental encoder, EnDat absolute encoder multi-type feedback signal access

Position Accuracy:Servo positioning precision up to ±0.001° with matched absolute encoder motor

Control Response Bandwidth:High dynamic bandwidth for high-speed start-stop and frequent reversing working condition

Interface & Communication Configuration

Standard Onboard Interfaces

SERCOS Digital Bus:Default high-speed SERCOS fiber bus, multi-drive cascading for centralized motion control by upper CNC/PLC controller

Analog Command Port:±10V analog speed/torque command input, external potentiometer analog control available

RS232 Service Serial:Local parameter upload/download, drive debugging via IndraWorks software

Encoder Terminal:Motor feedback encoder dedicated terminal, external auxiliary encoder input for full closed-loop mechanical positioning

Optional Expansion Interface

DKC02.3-LK-SCK02 expansion card:Profibus-DP, CANopen fieldbus optional expansion for third-party PLC networking

Pulse/Direction option card:5V differential pulse input, compatible upper controller pulse command control mode

Core Product Features

High-power high dynamic performance:100A rated output current fits large inertia high-load servo motor, strong overload capacity for heavy cutting, large mechanical indexing equipment

Multi-protocol flexible networking:Native SERCOS digital bus plus optional fieldbus expansion, seamlessly access Rexroth CNC system and mainstream brands PLC control system

Full digital triple closed-loop algorithm:DSP high-speed operation suppress torque ripple, realize ultra-low speed stable running and rapid dynamic adjustment

Modular pluggable structure:Power unit + control board split layout, convenient component maintenance and spare part replacement

Complete self-diagnosis function:Built-in fault code storage, real-time alarm output for wiring fault, motor anomaly, power abnormality for quick troubleshooting

Typical Application Scenarios

Machine Tool Industry:Large CNC gantry milling, heavy-duty lathe spindle & feed servo drive, machining center high-power axis control

Packaging & Printing:High-speed carton forming equipment, rotary printing machine main driving axis, large automatic slitting machine

Automation Assembly:Heavy-duty multi-axis manipulator, automated stamping production line servo positioning drive

Rubber & Plastic Industry:Large injection molding machine servo main drive, extruder precise speed regulating system

Matching Accessories & Maintenance Instruction

Compatible Matching Parts

Matched Servo Motor:Rexroth MDD/MKD/MDK series 30kW class synchronous servo motor

Configuration Software:IndraWorks engineering software for parameter setting, firmware download and drive fault diagnosis

Expansion Parts:SERCOS fiber cable, optional Profibus/CANopen communication expansion card, external 24VDC auxiliary power supply

Replacement Spare:Corresponding power module, control mainboard, fan component for field maintenance

Daily Operation Maintenance

Ensure cabinet ambient temperature below 45℃, clean module cooling fan dust quarterly to avoid overheat shutdown protection

Backup all drive parameter files via IndraWorks before replacement or firmware upgrade operation

Check power terminal and encoder wiring fastening regularly, prevent loose wiring causing intermittent drive alarm

Store spare drive in dry constant-temperature environment to avoid circuit board damp corrosion; FW firmware shall be written according to original machine parameter before spare replacement installation