SU1451645A1 - Program-presetting device - Google Patents

Abstract

The invention relates to the field of technological automation. Tessov. The aim of the invention is to expand the scope. The values of the task and the rate of change of the task are entered into the time command switches and master switches using punched cards. The initial tasks and task correction blocks provide for the possibility of changing the initial and current values of the task in the control process. 10 il.

Description

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The invention relates to the automation of technological processes and can be used in the automation of experimental research and development works, in industrial systems for the automatic regulation of technological processes that require programmed control.

The purpose of the invention is to expand the field of application by ensuring the ambiguity of the speed of change of the task, the multi-seat control and input of the initial values of the task and its correction during the programming process.

Figure 1 shows the block diagram of the device; figure 2 - block diagram of the photodiode arrays switch temporary commands; in FIG. 3, a diagram of the organization of a temporary team; figure 5 - pulse distributor; figure 6 - timing charts of the pulse distributor; Fig.7 - switch master; Fig. 8 is a control circuit of the reversible counter of the setting device 7; Fig. 9 is a block of initial tasks and correction of tasks; figure 10 - cyclogram.

The device contains a multichannel generator of 1 pulses, a counter of 2 times, a distributor of 3 pulses, an indicator 4 of the current time, a switch of 5 time commands, switches of drivers 6, sets of 7, blocks 8 of initial tasks and correction tasks, and indicators of task 9.

The switch 5 time commands contains blocks of matrices with second accuracy of 10 and 11 and with a minute accuracy of 12 and 13.

The minute precision matrix consists of a photodiode assembly 14, or 15–17 gels, binary counters 18 and 19, the first 20 and second 21 decoders, and an OR 22 element.

The pulse distributor 3 contains binary counters 23 and 24, decoders 25 and 26, the element NOT 27 and the elements AND-NOT 28.

Switch setting devices 6 is made on the photodiode Assembly 29, the elements of OR 30 and the diodes 31.

The dials 7 consist of the elements OR 32 and switches 33-37.

Blocks 8 correction task and the initial tasks contain counters 38, decoders 39, elements 40,

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the elements are NOT 41, the keypad dials 42 and the diode 43.

The device works as follows.

Multichannel pulse generator 1 produces pulses with a frequency of 100, 10 and 1 Hz. From the output of the multichannel generator of 1 pulses, signals with a frequency of 1 Hz are fed to the input of the counter 2 times and to the distributor of 3 pulses, and with a frequency of 10 Hz to the inputs of the blocks of 8 initial tasks:; and correction of tasks.

Consider the operation of the device on the example of the sequence diagram in figure 10.

The value of the current time at the points of change in the operating mode of the setter is plotted on a punch card and 5 time commands are entered into the switchboard. On the punch card of the setpoint switch 6, holes are filled in on the numbers of the commands of the control channels of the counting direction of the dials and the corresponding holes are filled in for the photodiodes from the pulse distributor. A punched card is inserted into block 6.

Before starting, the device is powered. The Start button installed in block 2, in the off state, sets and holds zeros on the counters of blocks 2, 3, 5 and 7.

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The device starts with

turning on the start button. In this case, the signal of setting zeroes of the counters of blocks 2, 3, 5 and 7 is removed and from the multichannel generator of 1 pulses pulses of 1 Hz frequency through the input logic element I are fed to the input of counter 2 times. In the above example, the command start starts at the current time 00:00. To form the first command on the punch card of the switch 5, the holes corresponding to the value of the current time are 00 hours 00 minutes. Through the photodiodes, information one bit from block 2 in the form of a level O enters the inputs of the element OR 15 and through the elements OR 16 and 17, in the form of level 1 arrives at the counting input of the counter 18. A temporary command 1 is generated at the decoder 20 code. 5 through the elements OR located in block 5 temporary commands arrive at the input of the set point switch 6.

The punched card of block 6 for command 1 has an opening on the first photodiode 29 of the assembly, which directs the counting of the reversing counters 7 of the adjusters, as well as the hole on the photodiode, which is connected by its cathode to the decoder line of block 3 and provides the follow frequency 2 counting pulses per minute. Counting pulses through the photodiode and the first element OR 30 arrive at the input of the setpoint meters 7. The counters of unit 7 start counting the number of pulses received at the input of the counter.

A digital-to-analog converter unit 7, connected to the outputs of the meters, converts the output information of the meters into a proportional current signal. The current signal is fed to the inputs of the external unit drivers of devices, which have a unified current signal at the input of the task.

The following value of the current time according to the condition of the example 01 h 40 min (packed on a punched card and entered into the switch of temporary commands) forms a temporary command 2.

Time command 2 removes command 1. At the inputs of the first photodiodes 29 of the assembly and the first element OR 30, the level 1 is set. The setpoint meter 7 stops counting, stopping at the value specified by the task condition, and through the digital-analogue converter unit 7 outputs the value proportional to the steady-state value direct current

Based on the conditions of the task in the interval between the commands 2 and 3, the task is constant. On the punch card of the setpoint switch for the group of photodiodes of the command 2, the holes are not packed. For time command 3, which causes a further change in the current value of the job on the punch card of block 6, the corresponding conditions of the task are filled for the corresponding command 3 of the photodiode group, the count direction and the count rate, i.e. task change rate

The conditions for performing the other temporary commands of the task are similar to those described.

Figures 3 and 4 are a schematic diagram of the organization of a temporary team with minute accuracy. In the diagram, the current time signals from de

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The encoders of unit 2 from the 3rd to 6th order come to the cathodes of the photodiode assemblies 14. The anodes of the photodiode assemblies are brought into common tires and connected to the corresponding inputs of the OR 15 element.

Block 8 has a button dialer 42 with buttons. When you press a button with 10 by any significant value, it skips the corresponding number of counting pulses. It is used in adjusting the task and setting the initial value of the task if it is required during the operation of the device. In order to bring it into working condition and enter the counting information in block 7 by switches 33-37 (meter control circuit of block 7), the output of block 6 is disconnected from the input of block 7 and the output of block 8 is connected. By sequentially pressing the buttons of block 8, the counters of block 7 are entered the required number of counting pulses.

The presence of service indicators 4 and 9 of the current time and the current value of the task provides control over the clarity of the programs, experiments and possible incorrect intervention of the experimenter, the presence of correction blocks 8 makes it possible to change the conditions of the experiments during operation of the device.

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Claims (1)

Invention Formula I A software driver comprising a multichannel pulse generator connected in series with a time counter, characterized in that, in order to expand the field of application, a time switch, set point switches, pulse distributor, set points, blocks, initial tasks and tasks corrections are entered into it, moreover, the output of the multichannel pulse generator is connected to the inputs of the pulse distributor and blocks of initial tasks and task correction, the output of the time counter is connected to the input of the switch The time command torus, the time command switch outputs and the pulse distributor are connected to the first and second inputs of the switches, respectively, 5151645 ticks, the outputs of which are connected to, respectively, are connected to the outputs of the blocker inputs, the inputs corresponding to the initial tasks and corrections sensors, to the second inputs of which tasks. $ I 8 Fig.Z IP tP FU 00 40 or aI ew I / 61 St 6n Faye. 1 g 3 y f S t in o