* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 2 Isolated V Actvtd Op Input
Electrical ballast wikipedia , lookup
Flip-flop (electronics) wikipedia , lookup
Electrical substation wikipedia , lookup
Three-phase electric power wikipedia , lookup
Power inverter wikipedia , lookup
History of electric power transmission wikipedia , lookup
Immunity-aware programming wikipedia , lookup
Variable-frequency drive wikipedia , lookup
Current source wikipedia , lookup
Power MOSFET wikipedia , lookup
Resistive opto-isolator wikipedia , lookup
Analog-to-digital converter wikipedia , lookup
Integrating ADC wikipedia , lookup
Power electronics wikipedia , lookup
Alternating current wikipedia , lookup
Stray voltage wikipedia , lookup
Surge protector wikipedia , lookup
Buck converter wikipedia , lookup
Voltage optimisation wikipedia , lookup
Voltage regulator wikipedia , lookup
Mains electricity wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Ultrasonics Application Note 102 • Connector J20 pins 4 and 7 can activate the ultrasound output with an external dc voltage • Input voltage range from 4.5Vdc to 30Vdc @ 4mA minimum • Input current is electronically limited to 14mA maximum • Isolated input is not polarity sensitive - it cannot be connected backwards • Optical-isolation rated at 1500VPEAK • Input is overvoltage protected at 33V with a surgector protection device • Input is overcurrent protected at 315mA with a metric-style fuse and is replaceable on the circuit board. A dc voltage (4.5V Min. to 30V Max.) applied between J20 pin 4 and pin 7 activates the generator ultrasound output. Removing the dc voltage deactivates the ultrasound output. The polarity of the dc voltage input signal is not important since either polarity will function properly (it cannot be connected backwards). This input requires a minimum of 4mAdc to function at 4.5Vdc and the current is actively limited to 14mA, up to the maximum input voltage. Noise filtering is provided on this input, which will delay ultrasound activation by about 20mSec. after voltage is applied to the input. Likewise, the noise filter discharge time will delay the deactivation of the ultrasound output by approximately the same time when the input voltage is removed. Input overvoltage protection is provided. The input voltage will be shorted (crow-barred) if the input voltage exceeds approximately 36Vdc. This also will open the input protection fuse (F402) if the power source current output capability exceeds 315mA. This input is electrically isolated from all internal generator circuitry. User Supplied Voltage Source © Copyright 1998 Dukane Corporation. All rights reserved. Application Notes Isolated Voltage Activated Operate Input Connector Generator Internal Circuitry J20 Input is not Polarity Sensitive 4 315mA Bridge Rectifier dc Switchable dc Voltage Source (30Vdc MAX ) Current Limiter FUSE Noise Filter 33V O. V. Limit OptoCoupler 7 dc Voltage Applied = Ultrasound Activated dc Voltage Off = Ultrasound Off Isolated Voltage Activated Operate Input Connection Diagram Dukane Ultrasonics •␣ 2900 Dukane Drive • St. Charles, Illinois 60174 USA TEL (630) 584-2300 • FAX (630) 584-3162 www.dukane.com • [email protected] A N 1 02