SU802955A1 - Information collecting and processing device - Google Patents

Description

The invention relates to instrumentation engineering and can be used in multilevel process control systems containing local peripheral systems for collecting and processing information and a central processor, which is a function of bringing parameters and analyzing them. A device for automatic control l is known, comprising a switch, a setting block, an over tolerance indicator, a logic block, a digital converter, a comparison block and a parameter address encoder. This device implements control functions, however, it does not provide the output of measurement results in a computer. A device is known that is formed by a driver, a control unit, keys, a counter, an indicator, a frequency synthesizer, and preprocessing nodes of the measurement result. The known device provides pre-processing offline, but does not allow measurement in two-level control systems due to the absence of the possibility of entering information into the computer. Of the known devices, the one closest to that proposed is. the device. A disadvantage of the known device is the lack of communication with the central processor, which limits the possibilities of its use as part of a multi-level process control system. The purpose of the invention is the expansion of the class of tasks. To achieve this goal, a device containing N sensors, a glitter, a spacing sensor, a result counter, a parameter counter, an AND element, a digital linearizer, a power block and a control unit, the start output of which is connected to the parameter counter input, the spacing sensor input and the control output of the block output, the inputs of which are connected to the outputs of the counter. The result, the clock input of which is connected to the output of the digital linearizer, the input of which is connected to the output of the element I, the first input of which is connected to the output to mmutatora whose inputs are connected to iy- / moves sensor switch control input - is connected to the output

of the parameter counter, the output of the interval sensor is connected to the second input of the element I and the input of the measuring end of the control unit; a mating unit and an additional counter are introduced whose output group is associated with the input unit group of the output unit, the output of which is. are the outputs of the device, the input of the interface block is the input of the device, and the output of the interface block is connected to the installation inputs of the additional counter and the control unit whose potential and pulse outputs of information shift are connected respectively to the first and second inputs of the result counter whose outputs are connected to additional counter inputs.

The block diagram of the device is shown in FIG. one; The result counter 8 is shown in FIG. .2.

The device contains sensors 1 (monitored parameter), switch 2 (sensor signals), element 3, interval 4 sensor (conversion) control block 5, parameter b counter, digital linearizer 7, result counter 15, information output block 9, additional counter 10 , an interface unit 11 (with a computer), a start bus 12, potential and pulse bus 13 and 14 information shifts, information transfer lines 15, a parameter advance bus 16.

Additional counter contains decades 17.

The result counter 8 contains recalculation circuits 18, circuits 19-22 AND, elements NOT 23 and 24, element 25 OR.

The device operates as follows. On the signal from the bus .12, a unit is delivered to parameter counter 6, as a result of which another sensor 1 is connected to the input of element 3 through switch 2, sensor 4 is started, the element 3 is opened and measurement is performed the sensor signal with simultaneous linearization using the linearizer 7. At the end of the measurement time, the element 3 is locked, the result is recorded in the counter 8. the result is measured, and the sensor output signal is received in control unit 5 and information output unit 9 4, as a result of which the information is rewritten into block 9, and on bus 13, the zero potential changes to unity, which in each decade of the result counter 8 results in locking element 3.9 AND and unlocking element 20 I. On bus 14 from the output of control block 5 a packet is received from ten pulses that are supplied through elements 20 I and element 25 OR to counting inputs of counting circuits 18. At the moment of overflow of counting circuits 18, a single

the potential, as a result of which the element 20I is blocked by the bullet potential from the output of element 24, and element 22 I is also unlocked, the output of which enters bus 15 is the number of impulses equal to the number in the scaling circuit.

Thus, at the moment of the end of the pack of ten pulses, the meter 10 records the measurement result code, which is received by block 11, after which the bus 16 outputs the signal to control unit 5 and advancing the parameter and setting operations.

Claims (2)

1. Author's certificate of the USSR And 489115, cl. Q 06 R 11/00, 1975. 2. USSR author's certificate No. 560186, c. 06 F 7/38, 1977 (prototype)