Model Code Definition

DKC = ECODRIVE full digital servo drive product family code

11.3 = Generation 11, Version 3 upgraded hardware platform with expandable option slot design

040 = Continuous rated output current: 40Arms

7 = High voltage grade, three-phase AC380~480V input, nominal DC bus 700VDC

FM = Dedicated motion control firmware pre-installed, optimized for electronic cam, multi-segment interpolated positioning application

Technical Specifications

Main Power Supply: Three-phase AC380~480V ±10%, 50/60Hz; independent external DC24V input for control circuit power supply

DC Bus Parameter: Nominal 700VDC, built-in 4.7Ω pre-charge soft-start resistor, integrated internal dynamic brake bleeder with 0.15kW continuous power dissipation

Output Performance: 40A continuous rating, 250% overload withstand for 300ms, fixed PWM carrier frequency 8kHz, maximum output frequency 800Hz

Dimension & Weight: W65mm × H360mm × D215mm, net weight approx 5.1kg, built-in cooling fan, IP20 vertical DIN rail cabinet installation

Ambient Condition: Full-load operating temperature 0~40℃; storage ambient -20℃~+80℃; rated installation altitude ≤1000m, max permissible altitude 2000m; relative humidity＜90% non-condensing

Interface & Communication Configuration

Power Terminals: L1/L2/L3 three-phase main input terminals, U/V/W motor power output, external braking resistor reserved terminal block

Encoder Interface: Dual feedback channel, compatible TTL incremental ABZ encoder + resolver dual feedback, onboard isolated 5V encoder power supply

Digital I/O Terminal: Standard 8DI+8DO onboard terminal, for drive enable, hardware positive/negative limit, origin homing, motor holding brake sequential control

Command Input: ±10V analog speed/torque reference input, pulse+direction position command input

Debug & Fieldbus: Front RS232 serial port for DriveTop parameter debugging; optional daughterboard to expand Profibus-DP/CANopen/SERCOS fieldbus communication

Core Functions

FM dedicated firmware upgrades motion algorithm vs standard FW version; retains full position/speed/torque three-loop closed-loop control, extra equipped with electronic cam curve operation, multi-axis synchronous follow-up, segmented linear/cubic interpolation positioning function; supports analog speed regulation, pulse position control, I/O triggered multi-step automatic program running. Complete protection functions including overcurrent, DC bus over/undervoltage, power module overtemperature, encoder disconnection, STO safe torque off protection, front panel digital LED fault code display.

Application Fields

CNC feed/spindle axes, rotary die-cut printing equipment, high-speed slitting & winding machinery, multi-axis automated assembly lines, automotive precision component processing automation equipment.

Operation & Maintenance Instructions

Grade-7 high voltage model strictly only access AC380~480V three-phase mains; wrong 220V low-voltage input causes insufficient torque and continuous undervoltage alarm.

Replacement must adopt same FM firmware variant; parameter files cannot be directly copied from FW standard firmware drives.

High frequent forward-reverse cyclic running needs external high-power braking resistor to avoid built-in brake module overheating damage.

Parameter commissioning requires matched DriveTop software edition corresponding to built-in FM firmware revision.