5121CE

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The 5121CE from Copley Controls is a DC servo amplifier providing peak output power at ~20A and continuous power at ~10A. Part of the DC Servo Amplifiers, it operates with a PWM switching frequency of 25kHz and requires power inputs of +24 to +90VDC. The unit offers fault protection against short-circuits.

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Product Description:

The 5121CE DC servo amplifier engineered by Copley Controls helps to deliver DC brushless motor control. This amplifier is a third-generation servo amplifier from the manufacturer. The product is compatible with the manufacturerEs DC brushless motors with 60 degrees or 120 degrees Halls. This device supports a wide power supply range. The unit comprises an Enable input with an active logic level that can be selected by a switch. Its conservative design results in a high MTBF rate. This amplifier is noted for its high flexibility.

The product comes with protection against output short circuits. This device depicts a PWM transconductance stage. The unit is equipped with a differential reference input with a 90 kOhms resistance between inputs and a three-pin jumper with a shorting plug behind its LEDs on the PC board. It comes in a size of 3.82 x 6.57 x 1.37 in. without the heatsink. This amplifier is associated with continuous and peak current ratings. The product incorporates surface mount technology. This device features a torque mode for operation. The unit is characterized by encoder tach velocity loops. It has a 5 V voltage rating at 200 mA current rating to power a motor with a commutating encoder.

This amplifier operates from a transformer-isolated unregulated power supply. The product incorporates current limiting functionality with its Brake feature. This device is associated with a small signal bandwidth. The unit has a common power ground and a signal ground. It is possible to establish multiple amplifier connections with a twisted-pair cable connection to the terminals of the filter capacitor in the power supply. This DC servo amplifier is CE Certified and also cUL Recognized.

Continuous output current
10A @ 85V
Dimensions
3.82 × 6.57 × 1.37 in (no heatsink)
Fault protections
short-circuit, over/under-voltage, over-temperature
Input differential amplifier gain
1 V/V
LED indicators
Normal, Power OK, Fault
Load inductance
200µH to 40mH
Logic inputs
/ENABLE, /POS_ENABLE, /NEG_ENABLE, /BRAKE, /RESET
Operating temperature
0 to 70°C
Output voltage
Vout = HV×0.97 – 0.2×Iout
Peak output current
20A @ 83V
PWM switching frequency
25 kHz
Reference input
differential, 94kΩ impedance, max 20V
Small-signal bandwidth
-3dB @ 3kHz (200µH load)
Supply voltage
+24 to +90 VDC
Weight
1.1 lb (no heatsink)

Frequently Asked Questions about 5121CE:

Q: What does the brake feature of the 5121CE servo amplifier do?

A: The brake feature of the 5121CE servo amplifier decelerates the motor to zero velocity with adjustable and current-limiting gain.

Q: How is the 5121CE servo amplifier configured for various applications?

A: The 5121CE servo amplifier is configured for various applications using its internal header configuration.

Q: What kind of mounting does the 5121CE servo amplifier adopt?

A: The 5121CE servo amplifier adopts surface mounting technology.

Q: What is the torque mode of the 5121CE servo amplifier used with?

A: The torque mode of the 5121CE servo amplifier is used with digital controllers to calculate the velocity and position from the encoder of the motor.

Q: What is the load inductance range of the 5121CE servo amplifier?

A: The load inductance range of the 5121CE servo amplifier is mH to mH.


Internal Product Review

  • ‘‘The 5121CE servo amplifier o[operates with Hall-commutated DC brushless motors. It operates in torque mode with digital controllers. The amplifier has a high MTBF rate resulting in a long lifespan.’’

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