Model Explanation

DKC: ECODRIVE Series Digital Servo Power Unit

04: Fixed PROFIBUS-DP Bus Version, not native SERCOS.3

.3: Third-generation Power Hardware Platform

100: Rated Continuous Output Current 100Amps

7: 700VDC Direct Current Bus High Voltage Model, Input AC380~480V

FW: Passive Power Base, without control motherboard, no built-in firmware, must be selected with MGP-7 Master Control Card Technical Specifications

Main power supply: Three-phase AC380~480V ± 10%, 50/60Hz; Independent DC24V control power supply, control power consumption 38W

DC bus: Nominal 700VDC, Overvoltage protection 850VDC, Built-in pre-charging resistor, bus capacitor 0.68mF

Output performance: Continuous rated 100A, Overload 240% maintains for 400ms, Carrier 4kHz/8kHz selectable, Maximum output frequency 1000Hz

Braking configuration: Built-in short-term peak braking 28kW (0.5s), Continuous braking 12kW・s, High-frequency heavy-load requires external high-power braking resistor

Dimensions: Width 110mm × Height 362mm × Depth 263mm, Net weight 10kg, IP20 cabinet installation protection

Environmental conditions: Full-load operation at 0~45℃, Altitude ≤ 1000m; Storage - 30~+85℃, Environmental humidity < 95% without condensation

Interface and communication configuration

Power terminals: L1/L2/L3 three-phase incoming lines, U/V/W motor power terminals, External braking resistor connection position

Encoder interface: Compatible with rotary transformers, TTL incremental ABZ, Sin/Cos sine/cosine encoders for all types of feedback

Slot configuration: Special plug-in MGP-7 series main control card, Control card leads DI/DO switch quantities, ±10V analog instructions, Pulse direction point interface

Communication ports

1. RS232 debugging port (enable MGP board for activation): IndraWorks parameter setting, firmware burning and upgrading

2. Original body PROFIBUS-DP fieldbus (fixed DP protocol hardware version 04)

3. Slot can be optionally equipped with CANopen, InterBus expansion sub-card to expand bus communication Core function

The main body only includes inverter power hardware, and all the three-loop (position/velocity/torque) closed-loop control is realized by the MGP-7 main control card;

Support ±10V analog speed regulation, pulse direction points, PROFIBUS bus multi-axis electronic gear synchronization, origin return to zero, and linkage with motor brake timing;

Integrated hardware full protection: output short circuit, IGBT overcurrent, bus over/under voltage, power module over-temperature, encoder break wire fault self-lock shutdown. Applicable scenarios

Heavy-duty gantry CNC machine tool feed axis, extruder main drive, large-scale printing roller shaft drive, lithium battery coating main and auxiliary axes, large-load gantry mechanical hand main servo.

Usage and Maintenance

1. Suffix 7 high-pressure specification must not be connected to three-phase AC220V power supply, only AC380~480V power supply is allowed. Misconnection will directly cause power IGBT breakdown;

2. FW bare base cannot be powered on and operated independently. It must be matched with the same specification MGP-7 main control card + corresponding power segment firmware to be debugged;

3. Frequent start-stop of large inertia loads must be equipped with external braking resistors to avoid overload damage to the built-in braking circuit;

4. DKC043 abbreviation is compatible with the standard model DKC04.3 mechanical and electrical. Spare parts can be directly interchanged.