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Maxon Motor DC Motor Controller 203661 10A 12-50VDC Servo Amp Power In
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maxon motor ADS 50/5 DC Servo Amplifier, Order No. 203661 — 10A, 12-50V DC
4-quadrant PWM DC motor controller / power output module
Overview
This is a maxon motor DC motor controller, order no. 203661 (ADS 50/5 servo amplifier), a PWM-based servo amp designed to drive brushed DC motors with precise current and speed control. It accepts a 12-35V DC supply with over-voltage protection at 39V, delivers up to 10A continuous / 15A peak motor current (20% on / 80% off duty), and outputs a motor voltage of 0-29V across the 0-100% control range, making it suited to demanding motion control applications requiring a compact, high-performance power stage.
Key Features
- High continuous/peak current: Delivers 10A continuous and 15A peak (20% on / 80% off duty cycle) motor current.
- Adjustable current limiting: Configurable 0-15A current limit, with voltage-controlled current limit input (0-5V corresponding to 0-15A).
- Adjustable ramp time: Configurable 0-3s ramp for controlled motor acceleration.
- Flexible set value input: Accepts 0-5V or 0-10V (±5V/±10V option) command signals with 100kΩ input impedance.
- High switching frequency: 25kHz operating frequency for smooth motor operation and reduced audible noise.
- Auxiliary output voltage: Provides +5V at 10mA (with -5V option) for external reference or sensor use.
- Digital enable control input: Turns on with 4-30V input, off with 0-1V or open input, at 10kΩ input impedance.
What's Included
| Model | Function | Qty |
|---|---|---|
| 203661 (ADS 50/5) | DC motor controller / servo amplifier, power in module | 1 |
Technical Specifications
Supply voltage: 12-35V DC; over-voltage protection at 39V.
Idle current: Approx. 30 mA.
Motor current: 10A continuous; 15A peak (20% on / 80% off).
Motor voltage: 0-29V (0-100%).
Current limit: Adjustable 0-15A; voltage-controlled 0-5V (0-15A).
Ramp time: Adjustable 0-3s.
Voltage loss: 1.2V at Im=10A.
Operating frequency: 25 kHz.
Auxiliary voltage: +5V, 10 mA (option: -5V).
Set value range: 0-5V or 0-10V (±5V or ±10V option); input impedance 100kΩ (pins 7 and 9).
Control voltage: On when Uin = 4-30V; off when Uin = 0-1V or open; input impedance 10kΩ (pins 5, 6, 8).
Recommended control potentiometer: 4.7-47 kΩ.
Operating temperature: -20°C to +70°C.
Dimensions: 65 x 73 x 30 mm.
Compatibility & Applications
Part of maxon's servo amplifier lineup for driving permanent-magnet brushed DC motors, this controller is well suited to precision motion control applications in robotics, automation, and drive systems requiring adjustable current limiting, ramp control, and analog speed command interfacing.
