FIELD: telemetric data processing.
SUBSTANCE: invention relates to methods for processing and converting telemetric (TM) data and can be used in automatic data acquisition systems from sensors located on board the spacecraft. To ensure the measurement and conversion of information from sensors, a programmable logic comparator is used, one input of which is supplied with information from the interrogated sensor, and the other is a threshold value that makes it possible to get the voltage value converted to the value “1” or “0”, formed in the form of an 8–bit digital code. The initial data for the operation of the PLC is stored in the control ROM. To provide access to the measured voltage values before their conversion, the measurement results of signals from all TM sensors in an 8-bit digital code are recorded in the RAM and can be transmitted at the request of the consumer.
EFFECT: it is possible to set any value of the comparator threshold for each measured channel, with the possibility of changing during the operation of the spacecraft, eliminating “runout” at a close value of the voltage from the sensor and the threshold voltage.
1 cl, 4 dwg
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Authors
Dates
2022-05-11—Published
2021-07-29—Filed