412 by Copley Controls
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The 412 from Copley Controls belongs to the DC Servo Amplifiers series and delivers peak current of ~20 A at ~80 V. It offers a 3 kHz bandwidth and switchable 25 kHz PWM frequency, plus overtemperature shutdown at 70 °C. Load inductance is 200 µH to 40 mH with 1:1 V/V differential gain.
Technical Specifications
Continuous Output Current
~10Â AÂ @Â 80Â V
~10Â AÂ @Â 80Â V
Current Mode Bandwidth
3Â kHz
3Â kHz
Current Monitor Output
~6Â V at peak current
~6Â V at peak current
Differential Amplifier Gain
1:1Â V/V
1:1Â V/V
LED Indicators
Normal, Power OK, Fault
Normal, Power OK, Fault
Load Inductance Range
200 µH to 40 mH
200 µH to 40 mH
Logic Input Threshold
2.5Â V
2.5Â V
Logic Input Voltage Range
0 to +24Â V
0 to +24Â V
Logic Outputs
Fault/Normal, TTL-level
Fault/Normal, TTL-level
Max Reference Voltage
20Â V
20Â V
Output Voltage Formula
Vout = 0.97·HV - 0.2·Io
Vout = 0.97·HV - 0.2·Io
Overtemperature Shutdown
70 °C
70 °C
Peak Output Current
~20Â AÂ @Â 80Â V
~20Â AÂ @Â 80Â V
PWM Switching Frequency
25Â kHz
25Â kHz
Reference Input Impedance
100Â k?
100Â k?
Reference Input Type
Differential
Differential
Short-circuit Detection
Yes
Yes
Voltage-feedback Mode Bandwidth
200Â Hz
200Â Hz
Contact Us
1620 Old Apex Road, Cary, NC 27513, USA
Toll Free: 1-888-551-3082
International: 1-919-443-0207
Fax: 1-919-867-6204
Email: sales@automation-factory.com
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