SU537341A1 - Multichannel device for controlling a telemetering system - Google Patents

Description

one

The invention relates to the field of computer technology and can be used in computers, automated control systems, control, data transmission.

A multi-channel control device 1J is known, containing registers, an encoder, a register switch, AND elements, a trigger.

However, this device requires a large amount of equipment during its implementation.

The closest to the invention in terms of technical sushi ness and the achieved result is a multichannel device 2 for controlling a telemetric system, which contains its channel number register, the outputs of which are connected to the inputs of the decoder, the sensor number register, the outputs of which are connected to the group of inputs of each channel, element OR. The output of the element OR is connected to the device's request output, the inputs to the channel outputs, the i-th (..., n) output of the decoder to the i-ro channel input, the first and second groups of the i-ro channel outputs to the first and second subgroups of the sixth group of device outputs. Each channel contains a launcher. the first and second elements are AND, the first and second groups of elements are AND, the first trigger. The first, second outputs and the group of outputs of the start block are connected respectively to the first input of the first element I, with zero

the input of the first trigger and the first inputs of the AND elements of the first group, the second input and the output of the first AND element — respectively, with the input of the drip and the single input of the first trigger, whose single output is connected with the second inputs of the AND elements of the first group and with the first input of the second I. The elements of the first and second groups are connected respectively to the first and second groups of channel outputs. The channel input group is connected to the first inputs of the AND elements of the second group, the second inputs of which are associated with the output of the second element I.

The low speed of such a device is due to delays in the formation of a control sequence, nx pulses for recording information, transferring the sensor number, control and reset.

The purpose of the invention is to increase the speed of the device.

This is achieved in that the device contains in each channel a second trigger, zero, single inputs and a single output of which are connected respectively to the second output of the trigger unit, the channel input and the second input of the second element And, the third input associated with the first output of the trigger unit.

The block diagram of the device shown in the drawing.

The multichannel device for telemetric system control contains the register 1 of the channel number, the register 2 of the sensor number, the decoder 3, channels 4-6, and in each channel the block 7 of the bar, groups 8, 9 And elements, triggers 10, II, And 12, 13 , element OR 14, soil 15-17 exits, request output 18. In the drawing, 4, 5, 6 are marked, respectively, nerve, i-th and nth channels, 15, 16, 17 are nerve, / - and p-, respectively group outputs of the device.

The device works as follows.

The device receives the address of the sensor whose signal is to be measured. The address consists of the channel number code, which goes to register 1, and the code of the number of the sensor, which goes to register 2. The code number of the sensor from the outputs of the register 2 is fed in parallel to the inputs of elements And of group 8 of channels 4-6. The code of the channel number is decrypted, the signal from the decoder 3 arrives at the first input of the element 12 and sets to "I trigger 11 the corresponding channel. The signals at the outputs of start-up unit 7 for each of the channels 4-6 appear in a certain sequence and repeat cyclically with an interval that is determined by the technical measures of the measuring apparatus of the system. These signals are produced alternately for all channels. The work enable signal is corresponding, its channel is supplied from output 19 of start unit 7 to the second input of element 12 and the third input of element 13, for example, channel 5 after the measurements in channel 5 have ended. When the signals on both inputs of the And 12 element coincide, the trigger 10 is transferred to the state "1. From its single output, a signal is taken that permits the passage of a signal from start block 7 through element 13 and a group of 8 elements I. The signal from output 19 of the start block through element 13 is drying, transferring the code of the sensor number from register 2 through group 8 elements And the group of outputs 16 of the device, and through the element OR 14, the request request output 17 of the device receives the signal "Requirement by which the next address of its sensor is generated. Then, from the output unit of the start-up unit, through group 9 of the elements AND, to the group 16 of outputs, the necessary control and output signals are supplied and the sensor reading is measured. At the end of the measurement process, a reset signal arrives from the output start block at the installation inputs in Trigger 10 and 11, which sets the triggers to the zero state.

If a new sensor address of another channel, for example, channel 6, arrives before the previous one ends, its measurement, then the channel 6 enable signal passes from the trigger unit to the inputs of elements 12 and 13 and ensures that the new sensor number is transmitted through group 8 elements And earlier than the measurement will be completed on channel 5. If the channel number in the new address is the same as in

previous address, then transmitting the sensor number and issuing a signal. The demand is delayed until the end of the measurement in the serviced channel, and then from the start-up unit, the reset signal to the inputs of the installation of the trigger 10 and 11 is reset to zero. In the communication between signals from outputs 19 and 20 of block 1; 1, state 1 of trigger 11 from signal decoder 3 is restored, then the work enable signal from output 19 of block screamer, ponad to second inputs of elements 12 and 13, allows transmission of sensor number to the output of the device and the signal "Requirement for output 17." Then the operation of the device is repeated.

The additional insertion of the trigger 11 makes it possible to increase the speed of the device by reducing the number of onrunations of the adjustments performed by the trigger unit.

Due to the introduction of additional and new connections in the proposed device, it was possible to combine three operations; permitting operation, non-transferring the sensor number code and generating the signal "Requirement, which in a known device were fulfilled consequently in time. This allowed us to increase the speed of the device.

Claims (2)

1.Avt. St. No. 339916, cl. From 06f 9/18, 1970. 2. Avt. St. Lot 432499, cl. From 06f 9/00, 1974 (prototype). / 7