7426AC

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The 7426AC, part of the Copley Controls DC Servo Amplifiers, weighs 2.71 pounds and provides peak power of 20A at 205V. The servo amplifier operates with a voltage input of 32-264VAC and has an inrush current on startup of 37A max. It features a minimum load inductance of 800 uH at its baseplate temperature range of 0 degrees to 70 degrees C.

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Product Description:

The Copley Controls 7426AC operates as a powerful amplifier that supports highly reliable processes demanding accuracy in industrial systems. The amplifier provides a maximum power output of 20 A at 205 V as well as a maximum sustained output of 10 A at 250 V. Circuit output power follows this mathematical pattern: ~HV*(0.97) - (Ro)*(Io) with a fixed resistance reference of about 0.2 ohms. The 7426AC operates under different industrial conditions because its voltage control allows it to handle diverse workloads for precise industrial procedures. The drive operates using input voltages from 32 to 264VAC while utilizing a logic threshold of 2.5V which makes it flexible.

Another interesting feature of the 7426AC is that the amplifier has the ability to support load inductance of 200?H - 40mH. The amplifier has a bandwidth of 3kHz when it works with a load of 200?H, making the responsiveness and control of the amplifier highly effective. The high bandwidth of this device makes it perfect for any application that may require precise positioning because it lowers the latency and enhances system output. The built-in minimum load inductance of 800 ?H in the device helps prevent performance degradation.

The 7426AC uses a relative switching frequency of 25kHz PWM that offers prompt pulse-width modulation control. At this frequency, the unit provides superior control and decreased noise output that ensures proper performance in industrial and servo motor applications. This compact unit stands out due to its weight of 2.71 lbs combined with a 0 degrees C to 70 degrees C operating temperature range, making it suitable for difficult applications. The amplifier design features specifications which enable it to achieve high performance in precision-demanding applications.

AC input voltage
32-264 VAC, 47-63 Hz
Continuous power
10A @ 250V
DC input voltage range
0 to 32 VDC
External mains fuse rating
20A @ 250V
Inrush current (startup)
37A max
Logic threshold voltage
2.5V (Schmitt trigger)
Minimum load inductance
800 µH
Operating temperature
0 to 70°C (baseplate)
Peak duration
1 s; 2 s after polarity reversal
Peak power
20A @ 205V
PWM frequency
25 kHz
Size
190 x 178 x 69 mm (no heatsink)
Weight
1.69 kg (no heatsink)

Frequently Asked Questions about 7426AC:

Q: What is the peak power and voltage range of the 7426AC drive?

A: The 7426AC drive provides peak power of 20A at 205V and operates within a voltage range of 32-264VAC.

Q: What is the PWM frequency of the 7426AC drive?

A: The 7426AC drive operates at a PWM frequency of 25 kHz.

Q: What is the operating temperature range of the 7426AC drive?

A: The 7426AC drive operates within a temperature range of 0 degrees to 70 degrees C.

Q: What is the inrush current on startup for the 7426AC drive?

A: The 7426AC drive has an inrush current on startup of 37A max.

Q: What is the minimum load inductance for the 7426AC drive?

A: The 7426AC drive requires a minimum load inductance of 800 uH.


Internal Product Review

  • ‘‘Copley Controls manufactures the 7426AC, a DC Servo Amplifier offering peak power of 20A at 205V. Lightweight and efficient, it supports a wide voltage range and operates at a PWM frequency of 25 kHz for motor control.’’

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