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| Applied Systems
Engineering, Inc. 7510 Benbrook Parkway Fort Worth, TX 76126 |
| Front Panel Features | |
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| Click thumbnail for larger image | Click thumbnail for larger image |
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The front panel for Applied Systems Engineering's Amplifiers provides
sufficient fault isolation, test points and accessibility to power
supply adjustments making monitoring and/or alignment a simple
process. The front panel grill is also removable without
tools, making the air filter easy to monitor and clean when necessary. The test points are available after opening the card cage door (shown to the right). A copy of the test point legend is attached to the back side of the door, which identifies the test points and potentiometers accessible from the front. Some potentiometers are not accessible without the extender card (option). Discrete LED's are also included on some boards. These are located at the edge of the pcb, and the identifier is also included on the test point legend. Although most all of the individual faults are included on the front panel four-line display, the test point legend can be used for fault isolation as well. The four-line vacuum flourescent display is setup with 3 or 4 pages of amplifier parameter information. The first line of any page is dedicated to showing the amplifier status of Fault, Filament Warmup, Standby (ready for Operate), Operate (high voltage ON) and indication of Local or Remote control mode. Page 1 displays Cathode Voltage on line 2, Helix Current on line 3, and Collector #1 Voltage on line 4. Page 2 displays the same line 1 information, Collector #2 Voltage on line 2, HVPS On elapsed time on line 3, and Filament (or heater) elapsed time on line 4. Page 3 displays the same line 1 information, firmware version and release and integral IEEE-488 interface address. Page 4 is a Fault detail page that becomes one of the display pages when a system fault has occurred. Fault details include: VSWR, pulse input protection (PRF, PW, or duty cycle), helix over current, over temperature, cathode power supply over/under voltage, and collector power supplies 1 and 2 over/under voltages. Note: Some faults are included or omitted based on the particular unit and/or customer specifications. Our newest packaging techniques allow replacement of almost any module in a matter of minutes. The majority of these modules can be replaced without even taking off the top cover of the amplifier; these are accessible through the front panel opening after removing the front panel. |