DMC2 50720P Danaher
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The DMC2 50720P motion controller is produced by Danaher as part of their DMC Motion Controllers series. It delivers a continuous power of 3.4 kW with a peak current of 20 A, and operates at an efficiency of 95%. The controller features IP20 protection, supports an input voltage of 3x400 VAC, and measures 234 mm in height, 76 mm in width, and 227 mm in depth.
Internal Product Review
The DMC2 50720P is a Danaher motion controller with 3x400 VAC input and 3.4 kW continuous power. A 2 kHz current loop bandwidth paired with 20 A peak current supports crisp response and stable axis control under demanding servo loads. IP20 protection and 95% efficiency make the DMC2 50720P a strong fit for clean cabinet installations.
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Product Description:
The DMC2 50720P is a multi-axis motion controller from Danaher in the DMC Motion Controllers series. It coordinates servo drives and motors in automated machinery by providing real-time command processing, current regulation, and dynamic braking. These capabilities allow production lines to synchronize speed, torque, and position without relying on separate PLC modules for each motion function. The unit fits in compact control enclosures, where integrated braking channels and high-density packaging reduce wiring requirements in packaging, assembly, and material-handling cells.
The controller operates from a three-phase 400 VAC input, which it converts into a regulated DC link capable of supplying 3.4 kW continuously. It delivers 4.5 A RMS per axis, while short bursts can reach 20 A to accelerate motors connected to loads with high inertia. Its electrical efficiency is 95%, which helps reduce heat generation inside the housing. The enclosure measures 76 mm wide, 227 mm deep, and 234 mm high, allowing installation where panel space is limited. A switching frequency of 4 kHz limits current ripple, while a minimum motor inductance of 8 mH keeps the current slew rate within safe operating limits. The IP20 enclosure is intended for installation in a ventilated cabinet, and the unit has a mass of 3.8 kg for direct DIN-rail or backplate mounting.
Dynamic stopping is handled by an internal brake shunt that dissipates up to 40 W continuously and absorbs transient energy surges of 40 kJ during emergency deceleration. The current loop operates at 2 kHz, allowing the controller to respond to load disturbances before mechanical resonance develops. A programmable electronic gear supports a 1:9000 speed ratio for matching motor feedback counts to the required machine resolution. This broad adjustment range allows the controller to operate indexing tables, conveyors, and gantry axes with different mechanical reduction ratios. Regenerated energy produced during deceleration is directed to the brake shunt, helping prevent excessive voltage on the internal DC link. Current-loop control also supports responsive torque regulation as axis loads change during automated operation.
