Model Code Definition

DKR = DIAX02 dedicated spindle drive product series

02 = 2nd generation DIAX hardware platform

.1 = Hardware revision edition 1

W200 = Continuous rated output current 200Arms; W = integrated cabinet blower forced air cooling

Z = Onboard integrated brake chopper with internal bleeder circuit, built-in energy dissipation without mandatory external braking resistor for regular deceleration

BE = SERCOS optical fiber digital bus control card for full-digital CNC command connection

23 = Card configuration code: Sine-wave sinusoidal encoder + resolver dual feedback, embedded dedicated hardware for C-axis positioning, rigid tapping and high-precision electronic gearing

01 = Factory fixed standard hardware configuration version

FW = Optional preloaded removable firmware memory card, stores complete drive parameters, motor identification data and application-specific firmware

Technical Specifications

Input Power: 3-phase AC400~480V ±10%, 50/60Hz; isolated DC24V auxiliary control supply

Nominal DC Bus Voltage: 700VDC

Output Rating: Continuous 200A RMS, 250% overload sustainable for 300ms, 300% short-duration peak overload; maximum output frequency 1200Hz, matches 42~55kW rated spindle motors

Braking Design: Z-type integrated internal brake chopper; normal deceleration relies on internal bleeder heat dissipation, external high-power braking resistor only required for frequent heavy-inertia emergency stop

Cooling: Built-in axial fan forced convection cooling, total internal power loss approx.1760W

Protection Class: IP20, cabinet-mounted design complying with IEC standard

Ambient Operation: Full-load working range 0~+45℃, automatic output derating above +45℃; storage temperature -30℃~+85℃, installation altitude ≤1000m, relative humidity＜90% non-condensing

Overall Dimension: H1010×W435×D375mm, net weight ≈103.8kg

Interface & Communication Configuration

Power Terminals: L1/L2/L3 three-phase mains input heavy terminals, U/V/W high-current motor output terminals

Command Interface(BE23): Full-digital SERCOS fiber bus for speed/torque setpoint transmission via optical fiber linking upper CNC controller

Feedback Ports: Dual 15pin D-SUB connectors dedicated for sine-wave encoder and resolver feedback signals (exclusive BE23 hardware layout)

Slot Layout: U1 slot fixed for pre-mounted BE23 SERCOS mainboard; U2/U3/U4 spare slots for optional digital I/O or extended encoder modules

Debug Port: Front-panel RS232 serial port for IndraWorks parameter setup, firmware update and drive diagnosis

General I/O Terminals: Drive enable signal, hardware emergency stop input, motor thermal protection monitoring, spindle brake interlock, fault dry-contact relay output, drive ready status output terminals

FW Exclusive Feature: Front-side dedicated slot for pluggable FW firmware card for parameter backup and quick data migration

Core Functions

Full digital triple closed-loop regulation (position/speed/torque) specialized for spindle applications, featuring wide constant-power speed regulation range, C-axis indexing positioning, rigid tapping and electronic gear synchronization embedded in factory firmware. Z-type onboard brake chopper simplifies peripheral wiring for standard deceleration conditions. Comprehensive multi-level protection against overcurrent, DC bus over/undervoltage, power module overheat, feedback signal loss and cooling fan failure with front LED fault code indication. The fitted FW memory card enables one-click full parameter backup and cross-drive data copy without repeated motor auto-tuning.

Application Fields

Vertical & horizontal CNC machining center main spindle drive, rotogravure rotary printing main transmission system, high-speed heavy textile winding spindle, forging equipment main drive and legacy machine tool CNC renovation projects.

Operation & Maintenance Instructions

Only connect to rated 3-phase 400~480V industrial mains; single-phase incoming supply triggers persistent DC bus undervoltage alarm and restricts full-power output.

Reserve minimum 90mm upper and lower ventilation clearance inside control cabinet to ensure smooth fan airflow and avoid over-temperature-induced derating shutdown.

Z variant comes with integrated brake chopper; light & medium-load regular deceleration uses internal bleeder, install external high-power braking resistor for frequent heavy-inertia emergency stop to prevent DC bus overvoltage tripping.

Parameter commissioning requires matched DIAX02 SERCOS version IndraWorks software; BE-series SERCOS firmware is incompatible with BA analog control board firmware.

For spare unit replacement: extract original FW card and insert into new replacement drive to restore all preset parameters directly, eliminating repeated motor identification and tuning work.