CN113129668B - Interlocking teaching system and relay combined simulation module and method - Google Patents
Interlocking teaching system and relay combined simulation module and method Download PDFInfo
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- CN113129668B CN113129668B CN201911402748.3A CN201911402748A CN113129668B CN 113129668 B CN113129668 B CN 113129668B CN 201911402748 A CN201911402748 A CN 201911402748A CN 113129668 B CN113129668 B CN 113129668B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to an interlocking teaching system and a relay combination simulation module and a method. And simulating the functions of the relay combination and other related equipment by a relay combination simulation module to realize the output of the simulated switching value information of the corresponding relay according to the received switch operation command. The relay combination simulation module outputs simulated relay switching value information according to the turnout operation command in a signal simulation mode, and the simulated relay switching value information is the same as relay switching value information output when the relay combination is adopted, so that the relay combination and the functions of subsequent equipment are realized through the relay combination simulation module, and the state information of each relay in the relay combination can be simulated in the interlocking turnout operation process. And the combination of purchasing and using relays is not needed, so that the input cost is saved, and the occupied space is saved.
Description
Technical Field
The invention relates to an interlocking teaching system, a relay combination simulation module and a method.
Background
In railway signal teaching, because the computer interlocking system relates to a large number of combined cabinets, combined frames and outdoor signal equipment, a complete computer interlocking station needs to be built according to teaching requirements, and usually a driving machine and an interlocking machine in the computer interlocking system are easy to purchase, but because the relay combination relates to a large number of relays, a large amount of space is required to be occupied, and the purchase cost is also large. For example, chinese patent application publication No. CN108564837a discloses an ac switch control circuit, which includes an interlocking device, a relay assembly and a switch machine, wherein the interlocking device is connected with the relay assembly, and the relay assembly is connected with the switch machine. The relay combination comprises a plurality of relays to form a corresponding combination circuit. However, for the interlocking teaching system, the teacher is more concerned about the interlocking service logic and is more concerned about how to explain the principle of the interlocking service operation, so that for the relay combination, the relay combination is not required to be completely adopted for matched use, even if the relay combination is adopted, matched outdoor equipment is required to be normally used, and the interlocking teaching is unnecessary.
Disclosure of Invention
The invention aims to provide an interlocking teaching system which is used for solving the problem that the input cost is increased when a relay combination is adopted in the interlocking teaching system. The invention also provides an interlocking teaching relay combination simulation module which is used for solving the problem that the input cost is increased when relay combination is adopted in the interlocking teaching. The invention also provides a simulation method for the combination of the interlocking teaching relays, which is used for solving the problem that the input cost is increased when the combination of the relays is adopted in the interlocking teaching.
In order to achieve the above object, the present invention provides an interlocking teaching system, comprising:
an interlocking machine; and
the relay is combined with the simulation module;
the interlocking machine is in communication connection with the relay combination simulation module, the relay combination simulation module comprises a memory and a processor, a fixed operation output signal corresponding to a turnout fixed operation command and a reverse operation output signal corresponding to a turnout reverse operation command are stored in the memory, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
the interlocking machine outputs a turnout operation command to the relay combination simulation module, the processor judges whether the received turnout operation command is a turnout fixed operation command or a turnout inverse operation command, when the turnout operation command is the turnout fixed operation command, the processor outputs the fixed operation output signal, and when the turnout operation command is the turnout inverse operation command, the processor outputs the inverse operation output signal.
And simulating the functions of the relay combination and other related equipment by a relay combination simulation module to realize the output of the simulated switching value information of the corresponding relay according to the received switch operation command. If the relay combination and the subsequent equipment are adopted, after a switch operation command is sent to the relay combination, the switch quantity information of the related relay of the interlocking machine is finally fed back, and the interlocking machine carries out simulation teaching according to the received switch quantity information of the relay. Compared with the relay combination and subsequent equipment, the device realizes the same function through software, does not need to purchase and use the relay combination, saves input cost, and saves occupied space.
Further, the switch operation command output by the interlocking machine to the relay combination simulation module comprises switch quantity information of the positioning operation relay, the locking relay and the inversion operation relay, and when the switch quantity information of the positioning operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch fixed operation command; when the switching value information of the inversion operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch inversion operation command.
Further, the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay.
Further, in order to improve reliability of the interlocking teaching, when the processor judges that the received switch operation command is an error operation command, an operation error warning signal is output.
The invention also provides an interlocking teaching relay combined simulation module, which comprises a memory and a processor, wherein a fixed operation output signal corresponding to a turnout fixed operation command and a reverse operation output signal corresponding to a turnout reverse operation command are stored in the memory, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
the interlocking machine outputs a turnout operation command to the relay combination simulation module, the processor judges whether the received turnout operation command is a turnout fixed operation command or a turnout inverse operation command, when the turnout operation command is the turnout fixed operation command, the processor outputs the fixed operation output signal, and when the turnout operation command is the turnout inverse operation command, the processor outputs the inverse operation output signal.
And simulating the functions of the relay combination and other related equipment by a relay combination simulation module to realize the output of the simulated switching value information of the corresponding relay according to the received switch operation command. If the relay combination and the subsequent equipment are adopted, after a switch operation command is sent to the relay combination, the switch quantity information of the related relay of the interlocking machine is finally fed back, and the interlocking machine carries out simulation teaching according to the received switch quantity information of the relay. Compared with the relay combination and subsequent equipment, the device realizes the same function through software, does not need to purchase and use the relay combination, saves input cost, and saves occupied space.
Further, the switch operation command output by the interlocking machine to the relay combination simulation module comprises switch quantity information of the positioning operation relay, the locking relay and the inversion operation relay, and when the switch quantity information of the positioning operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch fixed operation command; when the switching value information of the inversion operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch inversion operation command.
Further, the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay.
The invention also provides an interlocking teaching relay combination simulation method, which comprises the following steps:
the fixed operation output signal corresponding to the fixed operation command of the turnout and the inverse operation output signal corresponding to the inverse operation command of the turnout are stored, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
when a switch operation command is received, judging whether the received switch operation command is a switch fixed operation command or a switch inverse operation command, and outputting the fixed operation output signal when the switch operation command is the switch fixed operation command; and outputting the reverse operation output signal when the switch reverse operation command is a switch reverse operation command.
And simulating the functions of the relay combination and other related equipment by a relay combination simulation module to realize the output of the simulated switching value information of the corresponding relay according to the received switch operation command. If the relay combination and the subsequent equipment are adopted, after a switch operation command is sent to the relay combination, the switch quantity information of the related relay of the interlocking machine is finally fed back, and the interlocking machine carries out simulation teaching according to the received switch quantity information of the relay. Compared with the relay combination and subsequent equipment, the device realizes the same function through software, does not need to purchase and use the relay combination, saves input cost, and saves occupied space.
Further, the switch operation command comprises switching value information of the positioning operation relay, the locking relay and the inversion operation relay, and when the switching value information of the positioning operation relay and the locking relay is effective, the received switch operation command is judged to be a switch fixed operation command; when the switching value information of the inversion operation relay and the locking relay is effective, the received switch operation command is judged to be a switch inversion operation command.
Further, the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay.
Drawings
FIG. 1 is a block diagram of a prior art interlocking teaching system;
fig. 2 is a schematic diagram of a relay combination simulation module of the interlocking teaching system provided by the invention.
Detailed Description
Interlock teaching system embodiment:
fig. 1 shows a conventional interlocking teaching system, in which the relay combination is a five-wire switch machine relay combination (TD and TDF combination), and the five-wire switch machine relay combination is connected to a switch machine by a cable.
The embodiment provides an interlocking teaching system, which comprises an interlocking machine, a relay combination simulation module, a driving machine and a control display machine, wherein the control display machine is in communication connection with the interlocking machine, and the interlocking machine is in communication connection with the relay combination simulation module through the driving machine. The relay combination simulation module simulates the function of the device in the dashed box in fig. 1.
The relay combination simulation module comprises an opening signal acquisition unit, a control module and an opening signal output unit, wherein the control module takes MCU (such as a singlechip) as an example, the opening signal acquisition unit is connected with the MCU, and the MCU is connected with the opening signal output unit, as shown in figure 2. The DC 24V-to-5V power supply module in the relay combination simulation module is used as a power supply to provide working power for the on-off signal acquisition unit, the MCU and the on-off signal output unit. The driving and picking machine is connected with the driving and picking signal acquisition unit and is used for receiving the turnout operation command output by the interlocking machine, and the driving and picking signal output unit is connected with the driving and picking machine and is used for outputting corresponding output signals to the interlocking machine through the driving and picking machine.
The switch operation command comprises a switch fixed operation command and a switch reverse operation command, and then the corresponding switch actions comprise reverse positioning and reverse positioning.
Because the interlocking machine, the driving machine and the control display machine are existing equipment, the specific description is omitted, and the description is focused on the relay combination simulation module.
The MCU comprises a memory and a processor, wherein the memory stores a fixed operation output signal corresponding to a turnout fixed operation command and a reverse operation output signal corresponding to a turnout reverse operation command, and the fixed operation output signal comprises: the output time sequence of the switching value information of the relevant relay corresponding to the turnout fixed operation command (namely the sequence of the output of the switching value information of each relay); the inverse operation output signal includes: and outputting the switching value information of the relevant relay corresponding to the turnout reverse operation command and the switching value information of the relevant relay.
The interlocking machine outputs a turnout operation command to the relay combination simulation module through the driving machine, the MCU in the relay combination simulation module judges whether the received turnout operation command is a turnout fixed operation command or a turnout inverse operation command, when the turnout operation command is the turnout fixed operation command, the MCU outputs a fixed operation output signal to the interlocking machine through the driving machine, and when the turnout operation command is the turnout inverse operation command, the MCU outputs an inverse operation output signal to the interlocking machine through the driving machine.
In this embodiment, since the relay assembly simulation module simulates a five-wire switch machine relay assembly, the switch operation command output from the interlocking machine to the relay assembly simulation module includes switching value information of a positioning operation relay (hereinafter abbreviated as DCJ), a locking relay (hereinafter abbreviated as SJ) and a reverse operation relay (hereinafter abbreviated as FCJ), as shown in fig. 2. The MCU judges whether the received switch operation command is a switch fixed operation command or a switch inverse operation command, wherein the switch fixed operation command is a high-level effective signal of switching value information of DCJ and SJ, the low-level fixed operation effective signal identified by the MCU is output through the signal detection conditioning module, the switch inverse operation command is a high-level effective signal of switching value information of FCJ and SJ, and the low-level switch inverse operation effective signal identified by the MCU is output through the signal detection conditioning module. Moreover, the switching value information of the relevant relay in the fixed operation output signal includes switching value information of a first switch starting relay (hereinafter abbreviated as 1 DQJ), switching value information of a second switch starting relay (hereinafter abbreviated as 2 DQJ), switching value information of a protection relay (hereinafter abbreviated as BHJ) and switching value information of a positioning indicating relay (hereinafter abbreviated as DBJ); the switching value information of the relevant relay in the reverse operation output signal includes switching value information of 1DQJ, switching value information of 2DQJ, switching value information of BHJ, and switching value information of a reverse indicating relay (hereinafter abbreviated as FBJ).
Two specific operation command flows are given below:
when the switch operation command output by the interlocking machine to the switch-in signal acquisition unit of the relay combination simulation module through the driving machine comprises switch value effective signals of DCJ and SJ, the MCU judges that the switch operation command is a switch fixed operation command. Then, after the switching value effective signals of the DCJ and the SJ are received by the switching signal acquisition unit, the MCU performs processing calculation, determines that the switching value is an effective switch fixed operation command, and then executes an output result, namely, outputs a fixed operation output signal through the switching signal output unit, and the method specifically comprises the following steps: when the output signal voltage does not reach the gate voltage, the output signal cannot be correctly detected and identified, and is regarded as an invalid signal, the output signal is turned off by 2DQJ after delaying a first set time (here, the first set time is taken as 400ms as an example), the output 2DQJ is turned to the pole, the BHJ high level signal is output at the same time, the BHJ low level signal is output after delaying a second set time (here, the second set time is taken as the running time of the switch machine and 7000ms as an example), the 1DQJ low level signal is output after delaying a third set time (here, the third set time is taken as 50ms as an example), the DBJ high level signal is output at the same time, and the turnout fixed operation is finished.
When the switch operation command output by the interlocking machine to the switch-in signal acquisition unit of the relay combination simulation module through the driving machine comprises switch value effective signals of FCJ and SJ, the MCU judges that the switch operation command is a switch reverse operation command. Then, after receiving the switching value effective signals of FCJ and SJ, the switching value effective signals of FCJ and SJ are processed and calculated by the MCU, and the output result is executed after determining that the switching value effective signal is an effective switch reverse operation command, that is, the reverse operation output signal is output through the switching value output unit, specifically as follows: outputting a 1DQJ high-level signal, delaying a fourth set time (here, the fourth set time is taken as an example for 400 ms), taking a reverse output 2DQJ signal, outputting a BHJ high-level signal, delaying a fifth set time (here, the fifth set time is taken as a switch machine running time for 7000 ms), outputting a BHJ low-level signal, delaying a sixth set time (here, the sixth set time is taken as an example for 50 ms), outputting a 1DQJ low-level signal, outputting a FBJ high-level signal, and ending a turnout reverse operation.
The specific value of each set time can be obtained according to the actual situation.
In addition, when the MCU judges that the received switch operation command is an error operation command (i.e. different from the switch fixed operation command and the switch inverse operation command, for example, only the switch value valid signal of SJ), the MCU outputs an operation error alarm signal to indicate that the switch operation command is an error operation command.
Therefore, the relay combination simulation module adopts a control module design, is simple to realize, and can effectively simulate the turnout to execute all functions of relay combination; the installation is convenient, the installation can be directly carried out at the rear stage of the interlocking interface frame, and the internal space of the cabinet is saved; the universal electronic components are adopted, so that the price is lower than that of real equipment; fault conditions of different requirements can be simulated according to the actual service requirements of the interlocking.
The switch value information of the relay output according to the switch fixed operation command and the switch inverse operation command is based on the relay combination corresponding to the five-wire switch, and if the relay combination is the relay combination corresponding to other types of switches, the switch value signal of the relay output by the switch-out signal output unit is correspondingly adjusted.
In the above embodiment, the interlocking teaching system includes a driving machine, a control display and the like, which are an optimized implementation manner, and as other implementation manners, the driving machine and the control display can be appropriately selected and selected according to actual needs on the basis of being capable of realizing interlocking teaching.
Specific embodiments are given above, but the invention is not limited to the described embodiments. The basic idea of the invention is that the above basic scheme, it is not necessary for a person skilled in the art to design various modified models, formulas, parameters according to the teaching of the invention to take creative effort. Variations, modifications, substitutions and alterations are also possible in the embodiments without departing from the principles and spirit of the present invention.
Interlocking teaching relay combination modular embodiment:
the present embodiment provides an interlocking teaching relay assembly simulation module, and since the relay assembly simulation module has been described in detail in the above-described interlocking teaching system embodiment, the present embodiment will not be described in detail.
An embodiment of an interlocking teaching relay combination simulation method is provided:
the embodiment provides an interlocking teaching relay combination simulation method, which comprises the following steps:
the fixed operation output signal corresponding to the fixed operation command of the turnout and the inverse operation output signal corresponding to the inverse operation command of the turnout are stored, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
when a switch operation command is received, judging whether the received switch operation command is a switch fixed operation command or a switch inverse operation command, and outputting the fixed operation output signal when the switch operation command is the switch fixed operation command; and outputting the reverse operation output signal when the switch reverse operation command is a switch reverse operation command.
Since the implementation process of the interlocking teaching relay combination simulation method has been described in detail in the above embodiment of the interlocking teaching system, this embodiment will not be described in detail.
Claims (7)
1. An interlocking teaching system, comprising:
an interlocking machine; and
the relay is combined with the simulation module; the relay combination simulation module simulates functions of relay combination and subsequent equipment, wherein the subsequent equipment comprises a switch machine;
the interlocking machine is in communication connection with the relay combination simulation module, the relay combination simulation module comprises a memory and a processor, a fixed operation output signal corresponding to a turnout fixed operation command and a reverse operation output signal corresponding to a turnout reverse operation command are stored in the memory, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay;
the interlocking machine outputs a turnout operation command to the relay combination simulation module, the processor judges whether the received turnout operation command is a turnout fixed operation command or a turnout inverse operation command, when the turnout operation command is the turnout fixed operation command, the processor outputs the fixed operation output signal to the interlocking machine, and when the turnout operation command is the turnout inverse operation command, the processor outputs the inverse operation output signal to the interlocking machine; and the interlocking machine carries out simulation teaching according to the received switching value information of the relay.
2. The interlocking teaching system according to claim 1, wherein the switch operation command outputted from the interlocking machine to the relay combination simulation module includes switching value information of the positioning operation relay, the locking relay and the inversion operation relay, and the processor judges that the received switch operation command is a switch fixed operation command when the switching value information of the positioning operation relay and the locking relay is valid; when the switching value information of the inversion operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch inversion operation command.
3. The interlocking teaching system according to claim 1 or 2, wherein the processor outputs an operation error warning signal when it is judged that the received switch operation command is an erroneous operation command.
4. An interlocking teaching relay combination simulation module is used for simulating functions of relay combination and subsequent equipment, wherein the subsequent equipment comprises a point switch; the switch control device is characterized by comprising a memory and a processor, wherein a fixed operation output signal corresponding to a switch fixed operation command and a reverse operation output signal corresponding to a switch reverse operation command are stored in the memory, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command;
the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay;
the interlocking machine outputs a turnout operation command to the relay combination simulation module, the processor judges whether the received turnout operation command is a turnout fixed operation command or a turnout inverse operation command, when the turnout operation command is the turnout fixed operation command, the processor outputs the fixed operation output signal to the interlocking machine, and when the turnout operation command is the turnout inverse operation command, the processor outputs the inverse operation output signal to the interlocking machine; and the interlocking machine carries out simulation teaching according to the received switching value information of the relay.
5. The interlocking teaching relay combination simulation module according to claim 4, wherein the switch operation command output from the interlocking machine to the relay combination simulation module includes switching value information of the positioning operation relay, the locking relay and the inversion operation relay, and the processor judges that the received switch operation command is a switch fixed operation command when the switching value information of the positioning operation relay and the locking relay is valid; when the switching value information of the inversion operation relay and the locking relay is effective, the processor judges that the received switch operation command is a switch inversion operation command.
6. The interlocking teaching relay combination simulation method is characterized by comprising the following steps of:
the fixed operation output signal corresponding to the fixed operation command of the turnout and the inverse operation output signal corresponding to the inverse operation command of the turnout are stored, and the fixed operation output signal comprises: and outputting the switching value information of the relevant relay and the switching value information of the relevant relay corresponding to the turnout fixed operation command, wherein the reverse operation output signal comprises the following components: output time sequence of switching value information of the relevant relay corresponding to the turnout reverse operation command; simulating the functions of the relay combination and the subsequent equipment, wherein the subsequent equipment comprises a switch machine;
the switching value information of the relevant relay in the fixed operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a positioning representation relay; the switching value information of the relevant relay in the reverse operation output signal comprises switching value information of a first turnout starting relay, switching value information of a second turnout starting relay, switching value information of a protection relay and switching value information of a reverse bit representation relay;
when a switch operation command is received, judging whether the received switch operation command is a switch fixed operation command or a switch inverse operation command, and outputting the fixed operation output signal to an interlocking machine when the switch operation command is the switch fixed operation command; when the switch is a switch reverse operation command, outputting the reverse operation output signal to an interlocking machine; and the interlocking machine carries out simulation teaching according to the received switching value information of the relay.
7. The interlocking teaching relay combination simulation method according to claim 6, wherein the switch operation command includes switching amount information of a positioning operation relay, a locking relay and a reverse position operation relay, and when the switching amount information of the positioning operation relay and the locking relay is valid, it is judged that the received switch operation command is a switch fixed operation command; when the switching value information of the inversion operation relay and the locking relay is effective, the received switch operation command is judged to be a switch inversion operation command.
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