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Altitude Encoder / Overspeed Indicator
Insight’s TAS 1000 is an excellent altimeter with accuracy exceeding certified sensitive altimeters. A match box size module converts the TAS altitude data into encoder format. A unique feature of this module is the single cable connection to the TAS. This small cable conveys power and signal. This simplifies wiring and reduces complexity. Several modules may share this data buss to provide encoder information where needed, without running long multiconductor cables from the nose or tail.
This can save thousands of dollars in installation costs.
Overspeed
The TAS 1000 is TSO’d as a Mach overspeed and IAS overspeed system, features important in high performance turboprops and jets.
Every expansion module is programmed at Insight with overspeed alerts for your specific aircraft model type.
Encoder Facts:
Insight Instruments expansion module system provides altitude information and overspeed warning information to the pilot. It does so by receiving altitude and overspeed warning information from the TAS 1000 Multi-Function Data Source.
TAS 1000 measures static and pitot pressure, computes altitude and air speed every second, and sends them to the expansion module.
The expansion module acknowledges every successful reception of data, by sending back a special message to the TAS 1000 MFDS.
The expansion module receives the data, checks for transmission errors, converts the altitude to Gray code for use by the transponder or GPS. From the same data, the altitude encoder will determine whether or not it should activate the overspeed warning.
When the pilot wants to run an overspeed test he has to switch to this menu and push the button. During this test, the pilot should hear the overspeed warning.
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