503

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The Copley Controls 503 DC Servo Amp, part of the DC Servo Amplifiers, offers a peak power of 500 watts with ~10 Amps at 50 Volts for short durations. This amp features a PWM switching frequency of 25kHz, a continuous power rating of 250 watts, and requires +18-55 VDC at 10A peak. It includes Phoenix connectors and weighs 0.24 kg.

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Product Description:

Delivered by Copley Controls, the 503 DC brushless servo amplifier has a complete torque or current mode functional block. This amplifier has a high power output. The product functions like a complete PWM servo amplifier. This device has distinct continuous and peak current limits that permit high acceleration while ensuring protection against continuous overloads at the same time. The unit is deployed in component insertion machines. It has a bandwidth of 2.5 kHz. This amplifier depicts a maximum output offset current of 20 mA.

The product has a logic output that has a high setting when the operation takes place normally and a low setting when a fault is encountered. This device uses Phoenix connectors for its power and motor connections. The unit performs a self-reset when the Reset input is grounded. Its internal header must be set up with the components for configuring current limits, transconductance, and load limits. This amplifier has a continuous current rating of 5 A. The product has an internally connected power ground and signal ground. This device has a brushless profile. The unit must be turned off before connecting the motor leads. It features a storage temperature range of -30 degrees C to 85 degrees C.

This amplifier has three LEDs to represent its operating status. The product comes with a differential analog input with 20 K resistance between inputs. This device depends on a single supply voltage for its operation. The unit is designed with high-quality components that ensure high reliability and long service life in industrial installations. It does not have any potentiometers in its design. This DC servo amplifier is a low cost solution for small brushless motors.

Bandwidth
Small signal -3dB @ 2.5kHz with 200uH load
Connectors
Weidmueller: BL-125946; Phoenix: MSTB 2.5/5-ST-5.08
Continuous Power
250W @ ~5A, 50V
Current Monitor Output
~5V @ ~10A (2A/volt)
Load Inductance
200 uH to 40mH
Logic Input Threshold Voltage
HI: 0/00 2.5V, LO: 0/00x1.0V
Maximum Continuous Output Current
~2A @ 35 degrees C; ~5A @ 55 degrees C
Operating Temperature Range
0 to 70 degrees C baseplate
Output Voltage
Vout = 0.97HV -(0.4)(Iout)
Peak Power
500W @ ~10A, 50V for 0.5-1 second
Power Requirements
+18-55 VDC @ 10A peak
Pwm Switching Frequency
25kHz
Size
3.27 x 4.75 x 1.28 in. (83 x 121 x 33mm)
Weight
0.52 lb (0.24 kg)

Frequently Asked Questions about 503:

Q: What is the transconductance of the 503 servo amplifier?

A: The transconductance of the 503 servo amplifier is the ratio of the output current to input voltage.

Q: What kind of commutation does the 503 servo amplifier offer for three-phase brushless DC motors?

A: The 503 servo amplifier offers a six-step commutation for three-phase brushless DC motors.

Q: What type of signal and Hall connectors does the 503 servo amplifier have?

A: The 503 servo amplifier has Molex signal and Hall connectors.

Q: What kind of devices should not be connected to the +Normal output of the 503 servo amplifier?

A: Devices with an operating voltage of more than +5 V should not be connected to the +Normal output of the 503 servo amplifier.

Q: What is the DC voltage rating of the 503 servo amplifier?

A: The DC voltage rating of the 503 servo amplifier is 18 VDC to 55 VDC.


Internal Product Review

  • ‘‘The 503 servo amplifier supports an easy connection process with all its connectors on one side. It delivers a high power output in a compact size. The amplifier is suitable for use with small brushless motors.’’

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