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CHOICE® (DC Motor Controller) CDC300 Series 5 – 150 HP Motor Control Standard Features
(NOT FOR NEW DESIGN)
General Description • Standard Features • Specifications • Model Ratings/Dimensions • Connections
Standard Features
- Reconnectable for 230 or 460 VAC 3 phase line input
- Hall effect sensor to isolate armature current feedback
- 10 megohm impedance isolation for armature voltage feedback
- Independently adjustable 1 to 60 second Linear Accel/Decel
- Electrically isolated power modules rated 1400 Volts PIV and 1000 Volts/microsecond DV/DT
- Semiconductor fuses for power circuit protection
- R-C networks for A.C. line transient suppression
- 10 Amp internal field supply with provisions for interfacing an optional external field supply to the field loss circuit
- 10 Amp internal field supply with provisions for interfacing an optional external field supply to the field loss circuit
- Foldback current limit to allow a 1 minute overload and then foldback to 112% of the current range selected
- Over Current trip when 112% of the current range selected is sustained for 5 minutes
- Speed feedback is jumper selectable for Armature Voltage, D.C. Tachometer Voltage (7, 50, or 100 V/1000 RPM), or Digital Encoder (300 PPR)
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- Tachometer feedback circuit is insensitive to input polarity
- A +12 VDC, 50 mA available for encoder power supply
- Summing input for auxiliary speed signals with on board trim pot for scaling and jumper selection for polarity
- Terminal strip access to Accel/Decel output, Velocity Loop output and Current Loop input for versatile control functions. Inner current loop for responsive and precise control of motor torque and speed.
- Insensitive to phase rotation of A.C. line input
- Status LEDs for Run, Zero Speed, Jog, and Foldback
- 115 VAC logic for pushbutton operator interface
- Zero Speed logic for ramp to stop and anti-plugging protection
- Jog Delay circuit to allow rapid jogging without de-energizing the armature contactor to give longer contact life
- Armature current ranges are jumper selectable for each model to match motor armature current
- High frequency multi-pulse trigger circuit for reliable SCR gating
- Ribbon cable connector interface for Drive Circuit Monitor DCM100-000 for easier setup and troubleshooting.
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General Description • Standard Features • Specifications • Model Ratings/Dimensions • Connections
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CHOICE®
CDC300 Series 5 – 150 HP DC Motor Controller