Advanced Motion Controls was founded in 1987 with the idea of designing and manufacturing state-of-the-art servo amplifiers and drives for brushless AC, brushless DC, brush type and linear servomotors. Their current product line consists of analog, PWM and sine wave input analog amplifiers, ranging from 100W up to 40KW of peak output power. They also offer a line of digital servo drives, which include a CANopen field bus.
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DigiFlex® Digital Servo Drives The DigiFlex Series digital PWM servo drives are designed to drive brushed and brushless servomotors. These fully digital drives can operate in torque, velocity, or position mode. Various feedback signals can be used to close the velocity and position loop. The command source can be generated internally or can be supplied externally. In addition to motor control, these drives feature dedicated and programmable digital and analog inputs and outputs to enhance interfacing with external controllers and devices. |
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Brushless AC – Sinusoidal Amplifiers The S series PWM servo amplifiers are designed to drive AC brushless motors and linear AC motors with sine wave currents at a high switching frequency. The SE series PWM servo amplifiers are also designed to drive AC brushless motors and linear AC motors. An on board digital controller provides commutation by generating the three phase sine wave signals from the feedback of an optical encoder. The SR series PWM servo amplifiers are also designed to drive AC brushless motors and linear brushless motors. An on board digital controller generates the three phase sine wave signals from the feedback of a resolver as well as emulates A, B and I encoder signal outputs. | |
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Brushless Trapezoidal Amplifiers These servo amplifiers drive DC brushless motors at a high switching frequency and can also be used to drive brush-type and linear motors. Every amplifier in this section can operate in current, tachometer, or open loop mode. Certain series in this section also operate in Hall or encoder velocity mode and some series feature all five modes of operation. The amplifiers in this section have potentiometers to adjust loop gain, current limit, reference gain and offset within the amplifier. The offset adjusting potentiometer can also be used as an on board input signal for testing purposes. The entire selection of servo drives found in this section are trapezoidally commutated. | |
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DC Brush Type Amplifiers These amplifiers drive brush-type DC motors or inductive loads at a high switching frequency and can be configured in various modes and accept an analog ± 10V command signal. The amplifiers have potentiometers to adjust loop gain, current limit, reference gain and offset within the amplifier. The offset adjusting potentiometer can also be used as an on board input signal for testing purposes. DC motors are easy to set up, and excellent speed control can be obtained with the addition of a velocity feedback device. | |
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PWM Input Amplifiers PWM input servo amplifiers operate as power amplifiers and feature current limit adjustments. PWM input servo amplifiers are designed to work with digital motion controllers that can supply TTL compatible “PWM” and “direction” outputs. These controllers are often based on dedicated motion controller IC’s e.g. HCTL 1000(HP) or LM628 (National Semiconductors). Advanced Motion Controls recommends the use of PWM input amplifiers for applications where analog input amplifiers are not suitable, e.g. extremely long signal wires or the lack of a controller with an analog output. | |
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Accessories Power supplies, filter cards, shunt regulators Certain applications require additional components such as filter cards, power supplies and/or shunt regulators. |
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The AZ series is designed to drive brushed and brushless servo motors. To increase system reliability and to reduce cabling costs, the drive is designed for direct integration into your PCB. The drive interfaces with digital controllers that have analog +/-10V output. It requires only a single unregulated isolated DC power supply, and is fully RoHS (Reduction of Hazardous Substances) compliant.
