TM 78.420 P.C.M. DECOMMUTATOR FOR DANIEL AND IRIG FORMAT

Abstract

INTERTECHNIQUE which manufactures the TM 77.600, I.R.I.G. format decommutator, has had to extend the PCM message acquisition performance range to the DANIEL format, and has thus developed the TM 78.420. The TM 78420, capable therefore of acquiring both DANIEL and IRIG PCM messages, meets the requirements of the users of the Avions Marcel Dassault methods service telemetering station at Istres. This equipment provides for the acquisition and display, in different forms and in real time, of values of parameters contained in a PCM message. The following values can be displayed simultaneously on five cathode screens: - 128 parameters in analog form, bar-graph type - 32 parameters in digital form, in physical magnitudes. The values of 16 parameters can be restored in the form of analog voltages and those of four parameters in binary form. An operator terminal, consisting of a display console/alphanumeric keyboard unit, prepares the deswitching program and monitors the equipment in general. The system consists of the following subassemblies; - 4 analog display terminals designated as A, B, C, D - 1 alphanumeric terminal unit E - 1 logging rack - 1 operator terminal