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Manufactured byAerotech
Product groupModules
OverviewThe Aerotech Model 4020 (40-volt, 20-amp) Linear Servo Controller provides a unique combination of high reliability, compact design, high output power, high power dissipation, noiseless performance, and ease of operation. The power output stage contains all linear NPN power transistors for reliable, second-breakdown-free operation.The servo controller consists of a 741-type pre-amplifier with rate and position loop compensation, driving a power amplifier configured in a current feedback mode.The pre-amplifier has three adjustable scale factors for the inverting input, a noninverting input, balance adjustment and a gain adjustment for the lag-lead compensation. The lag-lead network, along with the three inverting input resistors, are mounted on stand-offs for quick easy replacement.The power stage operates in the linear mode (Class B) for wide bandwidth and quiet, reliable operation.Adjustable current limiting prevents motor demagnetization and directional current limits, initiated by limit switch or relay closures, decrease the torque available in only one direction for limited travel motor loads.The fused, isolated, power supply operates from 115 VAC (or optional 230 VAC) and provides all necessary operating voltages, in addition to regulated ±15 volts for external use.
DescriptionAerotech Servo Amplifier
Description (Existing)Aerotech 4020 Series Linear Servo Amplifiers
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