800-1906A Copley Controls
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The Copley Controls 800-1906A is part of the Accelnet CanOPEN Modules series and weighs 0.43 kilograms. This module provides a continuous current of 6 Adc and a continuous output power of 0.32 kW, with peak output reaching 0.92 kW for 1 second. It supports supply voltages from 20 to 55 Vdc and features 12 digital inputs and 3 digital outputs.
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Product Description:
The 800-1906A is a DC servo drive module produced by Copley Controls within the Accelnet CANopen Modules series. Intended for panel mounting in multi-axis machinery, it interfaces with a CANopen network to regulate brushless or brushed motors, delivering commanded torque, velocity, or position while coordinating with the plant controller. By converting low-voltage DC bus power into high-bandwidth pulse-width-modulated phases, the unit provides the precise current control required for industrial automation tasks such as semiconductor handling, pick-and-place stages, and small gantries.
The power stage supplies a continuous motor phase current of 6 Adc, allowing sustained operation up to 0.32 kW without thermal derating. For acceleration bursts, it can deliver 18 Adc for 1 second, producing 0.92 kW of mechanical power before returning to nominal limits. The DC bus accepts line-regulated supplies from 20 Vdc to 55 Vdc, a range that covers common 24 V and 48 V industrial power systems. Within its digital signal processor, the proportional-integral current loop refreshes at 15 kHz, providing tight torque response. The carrier's PWM ripple frequency of 30 kHz minimizes audible noise and reduces inductive ripple current in the motor windings. A minimum line-to-line load inductance of 200 µH keeps current ripple within safe limits for low-inductance servo motors.
The control layer handles step-and-direction motion commands at rates up to 2 MHz, permitting control through legacy pulse-command systems without sacrificing speed. The module has 12 optically isolated digital inputs that accept signals from limit switches, homing sensors, or high-speed capture devices, while three sourcing outputs report drive status to external safety relays. It also furnishes a regulated 5 V encoder supply for incremental or SSI feedback devices and protects the connected equipment with short-circuit current limiting. The compact housing measures 167 × 98.8 × 29.7 mm and weighs 0.43 kg, easing installation on densely populated DIN plates alongside power supplies and circuit breakers.
