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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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