Telemetric central system

 

(57) Abstract:

Usage: in the information-measuring equipment, telemetry and telecontrol. The inventive telemetric Central system contains on the remote control unit input 1, modem 2, a transceiver of the telemetry signals 3, the control unit receiving data 5, the coding block 6, a memory unit 7, managed the receiver 8 and the generator 9, the switch of the channels 10, connected through a direct communication channel 11 and a reverse communication channel 12 to the input and output switch channels 13 each controlled point. Controlled item contains a modem 14, a transceiver of the telemetry signals 16, the coding block 7, the memory unit 18, the control unit receiving data 19 driven generator 20 and the receiver 21. The objective of the invention is to automate the process of measuring all parameters of the channel with the recommendations of the International Committee on television and telegraphy. To implement the measurement process it is not necessary to have a separate communication channel for telemetry. Upon completion of the transmission of telemetry data managed receivers activate the line, transmitting information about the completion of data transfer on the bus. If the telemetry is

The invention relates to information-measuring technique and can be used in telemetry, telecontrol.

Known telemetry system that contains one United message source, the switch, the encoding block, forward and reverse communication channels and decision block, the memory block, the block comparison, the control unit, the sensor decisive signals, the output of which is connected in series through a reverse communication channel and the receiver decisive signals connected to the drive (see and.with the USSR N 842918, CL G 08 C 25/02 1979).

The disadvantage of this device is the lack of automation of the measurement process.

The closest of the known devices is telemetric Central system containing on the remote control computing unit, connected to the bus, the first data channel bus of the first modem (in the prototype modulator and power solutions), the bus of the second information channel with the first controller, consisting of the United system bus controller of the first side coding and memory block, and forward and reverse communication channels which are connected to the N of controlled items, each of which contains a second controller comprising a second 25/02, 1988).

A disadvantage of the known device is that it cannot use to measure parameters of communication channels in accordance with CCITT recommendations.

The objective of the proposed invention is to automate the process of measuring all parameters of the communication channel.

The proposed system allows you to replace the selected channel for transmission of telemetry signals to use the measured communication channel.

The analysis reviewed the patent and scientific and technical information allows to make a conclusion about the absence of similar telemetric Central systems.

Thus, the claimed invention is new, has a fairly high inventive step and can be used in industry to measure in an automated mode is required in accordance with CCITT recommendations of the parameters of the communication channels.

In Fig. 1 shows a block diagram of the proposed device of Fig. 2 the algorithm execution of the main program.

Telemetric Central system contains on the remote control unit input 1 is connected by a bus, the first data channel bus of the first modem 2 and the bus of the second information channel smnall bus controller via the first coding block 6 with the first memory block 7 and the first transceiver of the telemetry signals 3, and the block 5 is connected by a data bus, five control lines and three control lines the transmission and receipt of data managed by the receiver 8 and the controlled oscillator 9, the signal input and output are connected, respectively, with the first measuring output and an input of the first switch channels 10, the first, second and third control inputs which are connected, respectively, with the first, fifth and third control lines, and the input of the forward channel and the reverse output channel of the switch 10 are connected, respectively, with the output and the input of the first modem 2.

The second measurement output and the input of the first switch channels 10 are connected through a direct communication channel 11 and a reverse communication channel 12, respectively, with the first measuring input and output of the second switch channels 13 each monitored item.

For each controlled point the output of the forward channel and the reverse input channel switch channels 13 are connected, respectively, with a channel entrance and exit modem 14 is connected to the bus of the information channel in the second controller 15 with a transceiver of the telemetry signals 16 connected to the system bus controller via the second coding block 17 with the second memory block is two lines control the transmission and receipt of data managed by the generator 20 and receiver 21, signal output and input are connected, respectively, with the second measuring input and output switch channels 13, the first, second and third control inputs which are connected, respectively, with the first, fifth and third control lines.

The device operates as follows. The operator on the remote control selects the measured channel (forward and reverse channel) and connects the corresponding controlled item, such as the first.

After you enable telemetric Central system, 1-m output units 5 and 19 receive a reset signal, which sets, respectively, the switches of the channels 10 and 13, and driven generators 9 and 20, and receivers 8 and 21 in the initial state. In this state, the output of the modem 2 via a switch channels 10, direct channel 11, the switch 13 is connected to the input of the modem 14 and the input of the modem 14 via the switch 13, the reverse channel 12, the switch 10 is connected to the input of the modem 2.

This corresponds to the 1-th step of the algorithm of Fig. 2.

Next, the operator starts the program telemetry (step 2), which is stored in the block 1. In the program execution unit generates the 1st byte command tires 1st and 2nd information channels (step 3).

With the tire 1 is telemetry 16 (controller 5) the following circuit: first bus modem 2, the switch 10, a direct channel 11, the second switch 13, the second modem 4.

With tires of the 2nd channel of the 1st byte is delivered directly to the system bus of the first transceiver of the telemetry signals 3.

In accordance with the received 1-byte command, the corresponding coding block 6(17) selects from the corresponding memory block 7 (18) the corresponding block 5 (19).

According to this standard information management software-controlled measuring instruments and measurements, distributed over the bus IEC-625, consisting of 8 bit data bus 5 control lines and 3 control lines the transmission and receipt of data. Here and hereinafter will be given the name of the lines in abbreviated form in accordance with the international standard IEC IEC (International electrotechnical Commission). Each of the control lines active logic "0".

The first 5 lines of management has the following functions:

1 (IFC) sets (resets) the measuring instruments in the initial state;

2 (ATN) indicates that 8-bit data bus is transferred to the device address, command or data measurements;

3 (REN) translates instrumentation mode in which data of the measurement results;

(EOI) indicates the end of transmission block of data over the bus.

The second 3 control line enables synchronization process transmission and reception of data on the data bus and has the following functions;

6-(DAV) shows that the data put on the bus is valid and can be read correctly;

(NRFD) shows that not all measuring devices is ready to receive data or commands;

8 (NDAC) indicates that the process of receiving data is completed.

Eight-bit bidirectional data bus (D 10C-D10J) allows you to transfer commands, addresses from blocks.

5(19), and to receive data from controlled measuring instruments.

After receiving 1 byte of command telemetry unit 5(19) activate lines IFC, REN and ATN (step 5).

Driven generators 9(20) and receivers 8(21) is discharged; translated mode telecontrol and expectations of receiving commands, and then activate the line NRF, which indicates the willingness of receiving commands. Blocks 5(19) expect activate the NRFD line (step 6). If NRFD active, then the corresponding block 5(19) activates the DAV signal, sends the data bus byte address of the corresponding software-controlled oscillator 9(20) or receiver 8(21) (step 7).

Addressable bytes transferred (step 9). Similarly the reception of the remaining bytes of commands telemetry (step 11). After completion of the transmission of commands corresponding block 5(19) activates the line E01 that confirms completion of the command.

The signal E01 switches the switches 10 and 13 in a state in which the output of the direct channel 11 is connected to the signal input of software-controlled measuring receiver 21 on the first controlled point, and the entrance of the direct channel is connected with the signal output of the controlled oscillator 9 on the remote control. Similarly, the signal output of the controlled oscillator 20 is connected to the signal input of the control and the receiver 8 through the second switch 13, the reverse channel 12, the first switch 10 (step 12). Then executes the procedure of measurement of one of the selected operator parameter of the communication channel (step 13).

Blocks 5(19) expect the activation line SR (step 14). If the measurement process is completed, managed receivers 8, 21 activate line SR, the switches channels 10(13) active signal SR are transferred to the initial state (step 15) and blocks the formation of the interface 5(19) begin to take the bytes of telemetry from the receivers 8(21) in accordance with the above procedure (steps 16, 17, 18).

At the end of transmission byte telemetry managed receivers 8(21) activate the line E 01.

The interface units 5(19) expect the activation line E01. If the telemetry is not completed, then the control unit 1 sends the next byte telemetry, otherwise the measurement process is completed.

Telemetric Central system containing on the remote control unit input, connected to a bus of the first information channel bus modem bus of the second information channel controller, consisting of the coding block and the memory block connected to the system bus controller, forward and reverse communication channels which are connected to the N controlled points, each of which contains a controller, consisting of the coding block and the memory block connected to the system bus controller, wherein the remote control is entered, the switch channels driven generator and driven receiver in the controller entered the water receiving and transmitting data, connected to system bus controller through the block coding with a transceiver of the telemetry signals and coupled by a data bus, five control lines and three control lines the transmission and receipt of data managed by the receiver and the generator corresponding to the signal input and the output of which is connected respectively to the measuring output and input switch channels, the first, second and third control inputs which are connected respectively with the first, fifth and third control lines, the direct input channel and the output of the backward channel switch channels connected respectively with a channel output channel and the input of the modem, and the second measurement output and the switch input channels connected respectively to the input and output of the forward and reverse communication channels, each controlled item entered switch channels driven generator and driven receiver in the controller entered the transceiver of the telemetry signals and a control unit receiving data, the input and output of the controlled item are the first measuring input and output switch channels, the output of the forward channel and the reverse input channel switch channels respectively connected signalov telemetry controller, the United system bus controller through the block coding control unit receiving data connected to the data bus, five control lines and three control lines the transmission and receipt of data from the controlled oscillator and controlled by the receiver, the signal output and input are connected respectively with the second measuring input and output switch channels, the first, second and third control inputs which are connected respectively with the first, fifth and third control lines of the control unit receiving data.

 

Same patents:

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to monitoring activation of subordinate blocks of LIN networks. The device (D) is designed to monitor activation of subordinate blocks (OE1-OE5) of a multiplexed LIN communication network (R) controlled by a driving block (OM). The device (D) is designed such that when the driving block (OM) detects activity in the network (R) during a standby phase, i) it instructs the driving block (OM) to transmit to at least some subordinate blocks (OE1-OE5) and preferably to all blocks, which can be a source of an activation request, request messages to which they must respond via a response message containing a status field, the value of which characterises a local or non-local source of the detected activity, ii) analyse the value of the status field of each response message received by the driving block (OM) in order to determine if at least one subordinate block is a source of activity and if so, whether said activity is justified with respect to the corresponding value of the status field, and iii) allow the driving block (OM) to acknowledge activation of subordinate blocks only if the activity is justified.

EFFECT: preventing activation of subordinate blocks of a LIN network if the source of an activation request is interference.

13 cl, 2 dwg

FIELD: physics, control.

SUBSTANCE: invention relates to remote control, particularly to remote control of parameters in a given range. The invention describes a system and a method for controlling a plurality of devices (150) using a remote control device (105). The remote control device (105) transmits the same sequence of commands to each of a plurality of devices (150) to perform relative increase or decrease of their parameter by a certain value. Two-way communication exists between the remote control device (105) and the devices (150). The devices (150) acknowledge correct reception of commands by transmitting an acknowledgement message to the remote control device (105). The remote control device (105) retransmits a command to a device (150) if no acknowledgement message is received from the device (150). In that case, all control devices (150) are guaranteed to receive the same commands and their controlled parameters are maintained in synchronisation.

EFFECT: synchronised control of a plurality of devices with relative parameter values.

14 cl, 5 dwg

Up!