Technical Parameters

Input Supply: Universal single/3-phase AC 200~240V, 50/60Hz, internal integrated power rectifier circuit

Output Rating: Continuous 4.2A RMS, peak 8.2A RMS, rated output power 750W, matched MMD082 servo motor

PWM Carrier Frequency: Fixed 8kHz default switching frequency

Cooling Specification: Passive heat sink natural cooling, performance derating required above ambient 40℃

Ambient Condition: Operating temperature 0℃~+45℃ (full rated output), storage -20℃~+70℃, relative humidity ≤70% non-condensing, IP20 cabinet installation only

Dimension & Weight: W120×H200×D45mm, net weight approx 1.2kg

Feedback Configuration: DB15 connector for standard TTL incremental encoder; resolver compatible with optional hardware modification

Control Power: Control circuit powered from main AC input, no separate external 24VDC auxiliary power required

Interface & Communication Configuration

Main Power Terminals

Screw terminal block for L1/L2/L3 AC mains input and PE protective earth terminal

Motor Power Terminals

U/V/W three-phase motor winding output terminals plus independent wiring terminal for motor holding brake power supply

Feedback Connector

DB15 dedicated port for incremental encoder position feedback signal connection

Analog Command Interface

±10V differential analog input for external speed/position reference signal from PLC or upper motion controller

Digital I/O Terminals

24VDC digital terminals including drive enable, forward/reverse jog, positive/negative travel limit input, fault dry-contact relay output

Front Debug Interface

Numeric LED screen for real-time speed, parameter value and fault code indication; front panel buttons for local jog operation and on-site parameter setting

Core Functions

Full digital three-loop closed-loop control covering current, speed and position; embedded automatic motor parameter identification and auto-tuning function

Dual available control modes: external ±10V analog reference control or local manual jog via front panel operation

Complete protective functions against overcurrent, overvoltage, mains undervoltage, overheat, encoder loss, output short circuit and motor stall with coded fault display

Integrated internal dynamic braking circuit for regular small-inertia load deceleration, external braking resistor not needed for standard operating conditions

Adjustable delay logic for motor electromagnetic holding brake, brake action interlocked with servo operational status

Nonvolatile onboard memory for permanent parameter storage without extra backup memory card

Application Scenarios

Auxiliary feed axes of bench-top miniature CNC drilling, milling and compact grinding equipment

Medium-duty labeling, blister packaging and short-stroke conveyor precision positioning servo system

Small printing roller and lightweight textile knitting machinery transmission drive

Spare replacement and retrofit for aging original MiniDrive automation production lines

Compact indexing turntable and laboratory test fixture medium-torque precision positioning equipment