JPS63136793A - Remote measuring instrument - Google Patents

Abstract

PURPOSE:To avoid the load on a computer in fetching lots of measured data into the computer by outputting a selection signal to a remote supervisory controller sequentially at a prescribed period and giving the obtained measured data to the computer. CONSTITUTION:A selection measuring instrument always outputs a selection signal corresponding to measured data 111 by a master station 11, measured data 211 of a master station 21 and measured data n11 of a master station n1 sequentially. Since n sets of remote controllers function independently, a selection signal 6 corresponding to each measured data is sent from each master station to slave stations and the measured data is sent from the slave station to the master station through a transmission line 7. The selection measuring instrument always receives the measured data 3 from the master stations and gives the measured data 4 to the computer. The operation above is repeated to fetch all the measured data into the computer at a prescribed period. Even when lots of measured data exist, the load on the computer is not heavy.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a telemetry device for measuring measurement data at a distance.

(Prior technology) A system that transmits multiple pieces of measured data at a remote location using a remote monitoring and control device (hereinafter referred to as a remote control device) equipped with a feeding plate measurement function, and imports the data into a computer. In general, a selective measurement method is used in which measurement data is obtained by passing a selection signal corresponding to the data to be measured from a computer to a remote control device.

When trying to obtain measurement data, the computer passes a selection signal corresponding to the measurement data to the remote control device's master station, and this selection signal is transmitted to the remote control device's slave station via the transmission line, and the remote control device The slave station selects the measurement data corresponding to the sent selection signal and transmits it to the master station of the remote control device. Furthermore, this measurement data is passed from the master station to the computer.

(Problem to be Solved by the Invention) When a computer requires a plurality of ° measurement data, the plurality of measurement data to be obtained can be imported into the computer by sequentially sending selection signals from the computer. .

However, when there is a large amount of measurement data, selection signals must be sent out continuously. In particular, when a large amount of measurement data is to be input into a computer within a certain period of time, it is necessary to shorten the interval at which the selection signal is sent.

In such a state, the process of outputting the selection signal of the computer is started at short intervals, which increases the load on the computer and significantly impairs the performance of the computer.

The present invention provides a method that does not impose a load on the computer when a large amount of measurement data is imported into the computer as described in the previous section.

[Structure of the invention]

(Means for Solving the Problems) In order to import a plurality of selected measurement data into a computer, the present invention provides an output function that sequentially outputs selection signals to a remote monitoring and control device at a constant cycle, and a This is a remote measuring device equipped with a constant selection measurement function to pass the selection signal to the computer, and a constant selection measurement device for sending out a selection signal is added to the conventional configuration.

(Function) When importing n pieces of measurement data into a computer, a selection signal is sent out at regular intervals from the constantly selected measurement device.

The selection signal is sent out sequentially starting from the first measurement data, and when the signal corresponding to the n-th measurement data has been sent, the selection signal is sent out sequentially starting from the first measurement data.
By repeating this process, the selection signal corresponding to the n measurement data continues to be cyclically sent to the master station of the remote control device.

The selection signal sent cyclically is transmitted to the slave station via the transmission line. The slave station selects measurement data based on the sent selection signal and transmits it to the master station. Since the selection signals are sequentially output, measurement data is also sequentially sent to the master station in correspondence with the selection signals. This measurement data is constantly passed from the master station to the selected measurement device, and further input into the computer. Therefore, the output of the selection signal, which was conventionally processed by a computer, is always performed by the selection measuring device, so that the load on the computer does not become heavy.

(Embodiment) The drawing is a configuration diagram of a telemetry device showing an embodiment using the present invention. Measurement data existing at a plurality of remote locations is constantly passed to a selected measurement device via a remote control device (II! station, slave station), and is further imported into a computer.

Parallel signals are always output from the selection measuring device to each master station, but at this time, the selection signal is outputted sequentially to the eight measurement data of the master station 11, and then the same is output to the next master station 21. In the method of outputting a selection signal at the same time, it takes a long time to measure all the measurement data at once, and this increases the time it takes to update the measurement data. Therefore, by simultaneously outputting selection signals to multiple master stations, n
To keep measurement data update time to the shortest possible time by allowing measurement data to be obtained from individual master stations at the same time.

Measurement data 11 of the master station 11 from the constantly selected measurement device at the same time
1. Measurement data 211 of the master station 21. A selection signal corresponding to the measurement data nil of the master station n1 is output. Since the n remote control devices each function independently, a selection signal 6 corresponding to each measurement data is transmitted from each master station to the slave station, and the measurement data is transmitted from the slave station to the master station via the transmission line 7. transmitted using.

The constantly selected measurement device receives measurement data 3 from each master station, and further passes measurement data 4 to the computer.

Next, the constantly selected measurement device 2 sends the next measurement data 121 to each master station. Measurement data 221. A selection signal corresponding to the measurement data n21 is output, and the measurement data is taken into the computer in the same way as last time.

By repeating this process, all measurement data is imported into the computer at regular intervals.

[Effects of the Invention] Even if there is a large amount of measurement data, the selection signal output processing is always performed by the selection measurement device, so the load on the computer does not become heavy. From the computer's point of view, measurement data can always be obtained at regular intervals, which simplifies the process of acquiring measurement data.

[Brief explanation of the drawing]

The drawing is a configuration diagram of a telemetry device showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Computer, 2...Always selected measuring device, 11...Master station, 12...Slave station. 111...Measurement data. Agent Patent Attorney Nori Chika Yudo Hirofumi Futamata

Claims (1)

[Claims] In order to import a plurality of selected measurement data into the computer, a remote controller is equipped with an output function that sequentially outputs selection signals to a remote monitoring and control device at regular intervals, and a constant selection measurement function that passes the obtained measurement data to the computer. measuring device.