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Title: Operating Experience With Remote Supervisory Control And Telemetering
Author: R. L. Castle
Source: 1965 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1965
Abstract: In order to efficiently operate present day natural gas systems, the rapid transmission of a greater amount of information concerning pipeline conditions has brought about the development of telemetering systems. Telemetering is the process of reproducing at a convenient location, measurements made at a remote location. Many types of telemetering systems have been developed for the transmission of these measurements. Since many of these measurements must be reproduced at a great distance from the point of origin, electrical methods have proved to be more practical. A few of the electrical methods are: (1) Current (2) Voltage (3) Frequency (4) Position and (5) Impulse or Pulse. For natural gas systems, the impulse or pulse type of telemetering has been more commonly used than the other types. The impulse duration type of telemetering uses a length of time of an impulse proportional to the measured quantity. This impulse is generated in the transmitter unit and is carried over telephone lines, radio, or microwave circuits to the receiving units which convert the electrical pulse to a display of numbers or to a mechanical motion for recording purposes. This paper will be confined to the telemetering and remote supervisory

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