KR102455523B1 - PLC communicating cable including multi-connecter - Google Patents

Abstract

The present invention provides a communication cable having a connector housing to communicate with a PLC, comprising: a PC connection unit formed at one end of the communication cable to be connected to a PC; a connector connection part formed at the other end of the communication cable on which the PC connection part is formed, and provided inside the connector housing; and a PLC connector having a cable connection terminal compatible with the connector connection part formed at one end, and a PLC connection terminal formed at the other end being compatible with the communication port of the PLC.

Description

PLC communicating cable including multi-connecter}

The present invention relates to a PLC multi-communication cable, and more particularly, to a PLC having a different connection terminal shape using a single PLC communication cable by configuring connectors of various connection terminal shapes on a cable for communication with a PLC board. It relates to a PLC multi-communication cable that enables communication by selectively using a PLC connector suitable for the PLC connection terminal to be connected.

PLC (Programmable Logic Controller) used to control various devices in the industrial field can communicate variously with the control devices generally used in the industrial field according to the input conditions.

As the automation of industrial equipment develops due to the development of technology and the automation of the process is required, there is a continuous demand as a core element in the industrial field. If the communication cable is configured and several different PLCs are used, immediate compatibility may be difficult in working.

Due to this problem, the inconvenience of trying to communicate with the PLC by possessing all compatible communication cables or separately preparing a connector compatible with the port is caused depending on the shape of the PLC. There are problems such as poor performance, compatibility and convenience.

On the other hand, as an example for using a PLC cable, in Korean Patent Application Laid-Open No. 10-2014-0072261 'Transmitter and cable routing method using the same', a cable using a transmitter that measures and outputs the pressure or temperature of a fluid in a floating offshore structure A routing method comprising: connecting a first output terminal provided in the transmitter and a programmable logic controller (PLC); And there is disclosed a technology related to a cable routing method using a transmitter comprising the step of connecting the second output terminal provided in the transmitter and an indicator that is additionally installed.

In addition, in Korea Patent Registration No. 10-0302565 'Method for transmitting and sharing data between heterogeneous PLCs,' in a system in which a PLC is connected to a data link device 40 over an Ethernet 30, the data link device 40 It has a layered software structure with the lowest OS layer, TCP/IP layer, PLC driver layer, and MMI layer at the top, PLC environment setting registration function, PLC device data control function, PLC connection and disconnection function, PLC device monitoring function, Disclosed is a data transmission and sharing method between heterogeneous PLCs, characterized by sharing and transmitting data in a device area designated from a source PLC to a destination PLC by having a PLC device read/write function.

However, in the conventional communication method provided with a PLC cable as described above, a configuration for a connection connector that is physically compatible with various PLCs using one communication cable is not described. However, compatibility and convenience have not been improved.

Therefore, it is urgent to improve these problems.

The present invention is to solve the above problems, and provides a compatible PLC connector according to the shape of a communication port of various PLCs, and allows each PLC connector to be connected to one cable, so that PLC communication according to the product It is possible to work without separately preparing a cable, and it is possible to determine whether the connector pin is connected according to the communication method by allowing the dip switch to be connected to each PLC connector, so that communication with various PLCs using one communication cable is possible. It aims to provide a PLC multi-communication cable that makes this possible.

PLC multi-communication cable according to an embodiment of the present invention for solving the above problems, in the communication cable provided in the connector housing to communicate with the PLC, a PC connection unit formed at one end of the communication cable to be connected to the PC; a connector connection part formed at the other end of the communication cable on which the PC connection part is formed, and provided inside the connector housing; and a PLC connector having a cable connection terminal compatible with the connector connection part formed at one end, a PLC connection terminal being formed to be compatible with the communication port of the PLC at the other end, and having one or more PLC connectors. and a dip switch operable to control whether a connector pin formed in the PLC connector is activated.

In this case, in the connector housing, the PLC connection terminal of the PLC connector may protrude toward the front of the connector housing to be connected to a communication port of the PLC.

In this case, when a plurality of PLC connectors are provided inside the connector housing, the PLC connection terminals may be formed in different shapes.

In this case, the connector housing may include a cable positioning unit connected to one end of the communication cable to adjust the position of the communication cable in a front direction or a rear direction of the connector housing.

The PLC connector of the PLC multi-communication cable according to an embodiment of the present invention includes a dip switch input unit formed on one surface to be connected to the dip switch formed in the connector housing, wherein the dip switch input unit includes the PLC connector When one is selected and the PLC connection terminal is positioned to protrude from the front of the connector housing, it may be vertically aligned with the dip switch.

The connector housing of the PLC multi-communication cable according to an embodiment of the present invention includes: a connector storage unit in which a groove is formed according to the shape of the PLC connector to store the PLC connector; It may further include a; connector connection passage formed at the upper end of the connector storage unit and forming a space in which the PLC connector and the connector connection unit are connected.

In this case, the connector housing further includes a connector traction part that pushes up the PLC connector from the lower end so that the PLC connector provided in the connector storage part moves to the connector connection passage. a support plate provided to support the lower end of the connector; an elastic spring formed at the lower end of the support plate and exerting a pulling force in the direction of the connector housing; and a pull button formed on both sides of the support plate to pull the support plate in an upper direction.

The cable position adjusting unit of the PLC multi-communication cable according to an embodiment of the present invention includes a rolling unit provided so that foreign substances from the outside do not flow into the inside, and the rolling unit, wherein the cable position adjusting unit adjusts the cable position a belt part formed so as not to have a gap in the groove formed in the connector housing to guide the part; and rollers formed at the front and rear so that the belt is wound during the movement of the communication cable.

The PLC multi-communication cable according to an embodiment of the present invention provides a PLC connector configured with different types of communication terminals in the connector housing to enable connection with communication ports of various types of PLC, and uses a dip switch to It has the advantage of enabling compatibility with various PLCs using one cable by determining whether to connect the connector pin of the connector.

1 (a) and (b) are a perspective view and a projected perspective view showing a PLC multi-communication cable according to an embodiment of the present invention.
2 (a), (b) and (c) are views showing a state in which the PLC connector of the PLC multi-communication cable of FIG. 1 is connected.
3 (a) and (b) are views showing the shape of the PLC connector provided in the PLC multi-communication cable according to an embodiment of the present invention.
4 is a view showing a cable positioning unit formed in a PLC multi-communication cable according to an embodiment of the present invention.
5 (a) and (b) are views showing the operation of the dip switch of the connector housing according to an embodiment of the present invention.
6 is a view showing a connector storage unit and a connector connection passage in a connector housing of a PLC multi-communication cable according to an embodiment of the present invention.
7 is a cross-sectional view of the connector housing of FIG. 6 viewed from the front;
8 (a) and (b) are views showing the operation of the connector traction part of the PLC multi-communication cable according to an embodiment of the present invention.
9 (a) and (b) are views showing a state in which a rolling part is formed in the cable position adjusting part of the PLC multi-communication cable according to an embodiment of the present invention.

Hereinafter, the description of the present invention with reference to the accompanying drawings is not limited to specific embodiments, and various transformations may be applied and various embodiments may be provided. In addition, it should be understood that the content described below includes all transformations, equivalents, and substitutes included in the spirit and scope of the present invention.

In the following description, terms such as 1st, 2nd, etc. are terms used to describe various components, meanings are not limited thereto, and are used only for the purpose of distinguishing one component from other components.

Like reference numbers used throughout this specification refer to like elements.

As used herein, the singular expression includes the plural expression unless the context clearly dictates otherwise. In addition, terms such as "comprises", "comprises" or "have" described below are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist. It should be construed as not precluding the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, a PLC multi-communication cable according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 9 .

1 (a) and (b) are a perspective view and a projected perspective view showing a PLC multi-communication cable according to an embodiment of the present invention, (a), (b) and (c) of FIG. It is a diagram showing how the PLC connector of the communication cable is connected.

1 to 2 , a PLC multi-communication cable 1 according to an embodiment of the present invention is a connector housing 100 , a communication cable 200 provided for communication, and a PC formed in the communication cable 200 . It may be formed in a configuration including a connection part (not shown), a connector connection part 220 , a PLC connector 300 , and a dip switch 110 .

First, the connector housing 100 may be provided as a means having a configuration of a multi-communication cable so as to be compatible with a PLC having a communication port provided in various forms or methods, and the outer shape is to be provided in the form of a rectangular parallelepiped box. However, the shape of the connector housing 100 is not limited thereto, and may be formed in the same shape as a commonly used connector, and may be formed in various shapes.

One end of the connector housing 100 may be provided in a form in which a communication cable 200 that is connected to a PC and can communicate with a PLC is inserted.

That is, in the PLC multi-communication cable 1, the connector housing 100 is formed at one end of the communication cable 200 provided to communicate with the PC, and the communication port of the PLC existing in various forms inside the connector housing 100 It may be provided to include a configuration to be compatible with the .

The PC connection unit (not shown) is formed at the other end of the communication cable 200 on which the connector housing 100 is provided, and may form a communication terminal compatible with a communication port of a device to communicate, such as a PC or a notebook computer. .

For example, a USB type connection terminal or an RS232 type connection terminal may be formed, it may be formed as an HDMI type connection terminal, and it may be provided in various ways in the shape of a connection terminal capable of data communication in a PC or a notebook computer. It is possible.

The connector connection unit 220 may be formed to be positioned in the inner space of the connector housing 100 , and a communication terminal capable of being connected to the PLC connector 300 provided to connect to the PLC may be provided.

The connector connection unit 220 may be formed in a shape compatible with the cable connection terminal 310 formed at one end of the PLC connector 300 , and the PLC connector 300 according to an embodiment of the present invention is the connector housing 100 . ) to form a cable connection terminal 310 formed at one end of a plurality of PLC connectors 300 provided in the same shape to enable communication with the PLC connector 300 using one communication cable 200 . can be formed.

The PLC connector 300 is provided inside the connector housing 100 so that the communication cable 200 connected to the PC can be connected to the communication port of the PLC, and at one end, the connector connecting part 220 of the communication cable 200 and A connectable cable connection terminal 310 is formed, and at the other end where the cable connection terminal 310 is formed, a PLC connection terminal 320 capable of being connected to a communication port of the PLC may be provided.

The dip switch 110 is provided at the upper end of the connector housing 100 , is formed in a shape penetrating the connector housing 100 , and the lower end of the dip switch 110 passing through is in contact with the upper end of the PLC connector 300 . It may be provided in any possible shape.

In this case, the dip switch 110 may control whether the connector pin 321 formed on the PLC connection terminal 320 of the PLC connector 300 is activated.

At this time, as will be described later, the PLC connector 300 sets the connector pin 321 activated according to the control of the dip switch 110 to control the dip switch 110 according to the method of each PLC to communicate with the PLC. have.

Referring to FIG. 2 , a plurality of PLC connectors 300 provided inside the connector housing 100 are connected after connecting the PLC connector 300 and the communication cable 200 to be connected. It is possible to connect the PLC connection terminal to the communication port of the PLC by protruding from the front of the connector housing 100 .

In more detail, by selecting one of the PLC connectors 300 formed at the inner lower end of the connector housing 100 as shown in (a) of FIG. 2 , the cable connection terminal 310 and the connector connection part 220 of the communication cable 200 ) adjust the position of the PLC connector 300 so that it is located on the same line, and control the communication cable 200 in the direction of the PLC connector 300 so that the connector connection part 220 and the cable connection terminal 310 are connected. can

After connecting the connector connection unit 220 and the cable connection terminal 310 , the communication cable 200 is moved in the front direction of the connector housing 100 so that the PLC connection terminal 320 is outside the front of the connector housing 100 . It can be protruded so that it can be connected to the communication port of PLC.

3 (a) and (b) are views showing the shape of a PLC connector provided in the PLC multi-communication cable according to an embodiment of the present invention, Figure 4 is formed in the PLC multi-communication cable according to the embodiment of the present invention It is a diagram showing the cable position adjusting unit.

Referring to FIG. 3 , the PLC connector 300 of the PLC multi-communication cable 1 according to the embodiment of the present invention may be formed in various shapes to be compatible with the shape of the communication port of the PLC to be communicated with.

In more detail, the PLC connection terminals 320 formed in the plurality of PLC connectors 300 provided inside the connector housing 100 may be provided in different shapes according to the shape of the communication port of the PLC.

That is, a plurality of PLC connectors 300 provided in the connector housing 100 select the PLC connector 300 compatible with the PLC communication port provided at the site to be used by using the PLC connection terminals 320 of various shapes. to be connected to the communication cable 200 .

At this time, the cable connection terminal 310 formed in the PLC connector 300 is provided in the same shape even if the PLC connection terminal 320 is provided in a different shape so as to be compatible with all one communication cable 200 . can

That is, the connector housing 100 provides a plurality of PLC connectors 300 forming PLC connection terminals 320 of different shapes, and each PLC connector 300 has PLC connection terminals 320 of different shapes. However, since the cable connection terminal 310 of the same shape is formed, each PLC connector 300 may be used using one communication cable 200 connected to the connector housing 100 .

In addition, the protrusions 330 are formed on both sides of the PLC connector 300 , and each protrusion may have a different protrusion length according to the PLC connection terminal 320 formed in the PLC connector 300 .

For example, the PLC connector 300 in which the 40-pin type PLC connection terminal 320 is formed may have a protruding length of the protrusion 330 longer than that of the other PLC connectors 300, and the 20-pin type PLC connection terminal 320 ) formed PLC connector 300 may be formed shorter than the projection 330 of the 40-pin type PLC connector 300.

In addition, the length of the protrusion 330 formed on the PLC connector 300 may be formed to be opposite to that in the above example, and the PLC connectors 300 forming the PLC connection terminals 320 of different shapes are different from each other. It can be distinguished by having protrusions of length.

That is, the PLC connector 300 can be distinguished by varying the length of the protrusion 330 according to the shape of the PLC connection terminal 320 to be formed, and as will be described later, when stored inside the connector housing 100 . According to the length of the protrusion 330 of the PLC connector 300, the position of the groove to be seated in the connector storage unit 130 may be distinguished.

4, in the connector housing 100 of the PLC multi-communication cable 1 according to the embodiment of the present invention, the communication cable 200 connected to the inside is connected to the front or rear direction from the inside of the connector housing 100. It may further include a cable position adjusting unit 120 to adjust the position.

The cable positioning unit 120 is formed on one surface of the connector connection unit 220 , and may be formed to protrude from the top of the connector housing 100 .

At this time, a groove 101 of a predetermined size is formed on the upper surface of the connector housing 100 so that the cable positioning unit 120 can pass through the groove 101 and protrude outward.

When the cable position adjusting unit 120 formed in the connector connection unit 220 is moved in the front direction of the connector housing 100, the communication cable 200 can be adjusted to move in the front direction, and at this time, the communication cable 200 It can be adjusted so that the PLC connector 300 connected to the PLC connector 300 moves together so that the PLC connection terminal 320 formed in the PLC connector 300 protrudes to the outside of the connector housing 100 .

That is, the PLC connection terminal 320 of the PLC connector 300 to be used can be made to protrude in the front direction of the connector housing 100 by using the cable positioning unit 120, and the position is adjusted to return to the original position. It is also possible to

5 (a) and (b) are views showing the operation of the dip switch of the connector housing according to an embodiment of the present invention.

Referring to FIG. 5 , the dip switch input unit 340 may be formed at the upper end of the PLC connector 300 , and the dip switch 110 of the connector housing 100 and the dip switch 110 of the connector housing 100 in a state where the PLC connection terminal 320 protrudes It may be formed to be vertically aligned.

At this time, when the dip switch 110 is controlled in a state vertically aligned with the dip switch 110 , a signal for the corresponding switch is input to the dip switch input unit 340 and the connector according to the method set in the PLC connector 300 . It is possible to control the activation of the pin 321 .

For example, when the No. 1 dip switch 110 is pressed, all the formed connector pins 321 can be activated and communicated. However, when the No. 2 dip switch 110 is pressed, the connector pins 1 to 15 are 321) is also possible.

In addition, whether the connector pin 321 is activated according to the dip switch 110 can be changed according to the setting of the PLC connector 300 .

For example, when the No. 1 dip switch 110 is pressed, the connector pins 321 can all communicate. However, when the No. 1 dip switch 110 is pressed with a different setting for activation, the No. 1 to No. 14 connector pins Only (321) can be activated.

6 is a view showing a connector storage unit and a connector connection passage in a connector housing of a PLC multi-communication cable according to an embodiment of the present invention, and FIG. 7 is a cross-sectional view of the connector housing of FIG. 6 viewed from the front.

6 to 7 , the connector housing 100 of the PLC multi-communication cable 1 according to an embodiment of the present invention may further include a connector storage unit 130 and a connector connection passage 140 .

The connector storage unit 130 is formed at the inner lower end of the connector housing 100 , and a groove in the shape of the outer shape of the PLC connector 300 is formed. (130) may be seated.

In more detail, the connector storage unit 130 formed at the lower end of the connector housing 100 has grooves formed according to the outer shape of the PLC connector 300 to be provided, and protrusions formed on both sides of the PLC connector 300 . It may be configured to further include a protrusion guide 131 so as to be positioned according to the length of the 330 .

The protrusion guide 131 is formed on the inner wall surface of the connector housing 100, a groove is formed in which the protrusion 330 of the PLC connector 300 is fitted, and the protrusion ( 330) can be hung so that it no longer moves in the rearward direction.

At this time, the PLC connector 300 may have different lengths of the protrusions 330 formed on both sides according to the shape of the PLC connection terminal 320 as described above, and the protrusion guide formed in the connector storage unit 130 . 131 may be provided in a form in which a 'L'-shaped groove is formed so that the protrusion 330 of each PLC connector 300 is inserted into the protrusion guide 131 .

The connector connection passage 140 is provided at the upper end of the position where the connector storage unit 130 is formed, the PLC connector 300 and the communication cable 200 can be connected to each other, and the PLC connector 300 is connected to the connector housing ( 100) can be formed to form a passage that can move in the front direction or the rear direction from the inside.

In more detail, the upper surface of the intermediate wall 132 formed in the connector storage unit 130 provided to store each PLC connector 300 and the lower surface of the position where the connector connection unit 220 is seated are formed at the same height. When the PLC connector 300 is moved, it may be configured to support the bottom surface of the PLC connector 300 .

At this time, the upper surface of the PLC connector 300 seated in the connector storage unit 130 is formed on the same line as the upper surface of the intermediate wall 132 of the connector storage unit 130, so that the unused PLC connector 300 is formed. It can be to support the bottom of the PLC connector 300 used by the.

That is, the upper surface of the PLC connector 300 in which the PLC connector 300 is seated in the connector storage unit 130 may serve as a passage for the connector connection unit 220, and the PLC connector ( 300 may allow one surface formed by the intermediate wall 132 of the connector storage unit 130 and the upper surface of the PLC connector 300 seated in the connector storage unit 130 to be used as a passage.

8 (a) and (b) are views showing the operation of the connector traction part of the PLC multi-communication cable according to an embodiment of the present invention.

Referring to FIG. 8 , the PLC multi-communication cable 1 according to an embodiment of the present invention is a connector traction unit to pull the PLC connector 300 located in the connector storage unit 130 to the position of the connector connection path 140 . (400) may be further included.

The connector traction unit 400 may include a support plate 410 , a first elastic spring 420 and a traction button 430 , and push up the PLC connector 300 to be used in the connector connection passage 140 direction. Giving action can be performed.

The support plate 410 is positioned to support the bottom surface of the PLC connector 300, and may be formed in the same shape as the shape of the bottom surface of the PLC connector 300, but is not limited thereto, and supports the PLC connector 300. , it is possible to be formed in various shapes that can support it so as not to be shaken in the process of towing to the top.

The first elastic spring 420 is formed such that one side is connected to the lower end of the support plate 410 and the other side is connected to the connector housing 100, so that the support plate 410 is fixed to the connector housing 100. , it is possible to use a tension spring type spring so that a pulling force from both sides in the central direction acts.

At this time, the first elastic spring 420 is one or more first elastic springs 420 are formed at the lower end of the support plate 410 so that the balance of the support plate 410 is not shaken, preferably three first The elastic spring 420 may be formed so that the force pulling the support plate 410 to the lower end acts evenly.

The traction button 430 may be formed in a shape such that the front part is pointed so as to be inserted into the bottom surface of the support plate from both sides of the support plate 410 and the width becomes wider toward the rear part, and has an inclined surface that goes down in the front direction when viewed from the side. can be formed in the form.

In more detail, a plurality of traction buttons 430 are formed on the outside of the connector housing 100 , and a plurality of traction buttons 430 formed on both sides of the support plate 410 and the traction buttons 430 are arranged side by side with each other and the traction buttons 430 on both sides. ) is pressed in the central direction, while the front portion of the pull button 430 is inserted into the underside of the support plate 410 , the support plate 410 can be pulled upward by the inclined surface of the pull button 430 .

At this time, the traction button 430 provided on both sides has a second elastic spring 431 formed at the lower end of the inclined surface, and the second elastic spring 431 has a force pushing the traction button 430 connected to both sides. may be arranged to do so.

That is, when the pull button 430 connected by the second elastic spring 431 is pressed to pull the support plate 410, it returns to its original position by the pushing force of the second elastic spring 431. can be formed.

9 (a) and (b) are views showing a state in which a rolling part is formed in the cable position adjusting part of the PLC multi-communication cable according to an embodiment of the present invention.

Referring to FIG. 9 , the PLC multi-communication cable 1 according to an embodiment of the present invention may be configured to include a rolling unit 121 in the cable position adjusting unit 120 .

The rolling part 121 may include a belt part 122 and a roller 123 , and may serve to block a groove formed in the connector housing 100 for the cable positioning part 120 from the outside.

In more detail, the cable position adjusting unit 120 is provided in a form in which the cable position adjusting unit 120 is fitted to the belt unit 122 made of a material such as silicone, urethane or synthetic rubber, and the cable position adjusting unit 120 is installed on the front side of the connector housing 100 . When controlling in the direction or the rear direction, the belt unit 122 may be moved together by the cable position adjusting unit 120 .

At this time, the rollers 123 are formed on both sides of the belt unit 122 so that the belt unit 122 moving by the cable position adjusting unit 120 is wound or unwound.

That is, in controlling the cable position adjusting unit 120, the rolling unit 121 blocks the gap of the groove formed for the cable position adjusting unit 120 by the belt unit 122 to block external foreign substances, The belt part 122 may be formed only in a certain section by winding or unwinding the roller 123 so that interference does not occur inside the connector housing 100 while the belt part 122 moves.

At this time, the rolling part 121 is to further include a roller cable 124 on the side of the roller 123 so that the rollers 123 formed on both sides can rotate naturally according to the movement of the cable position adjusting part 120 . It can be configured to be connected to the rollers 123 on both sides.

The roller cable 124 may be made of a material such as silicone, urethane, or synthetic rubber like the belt part 122, but is not limited thereto, and may be formed in a shape such as a metal chain.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can implement the present invention in other specific forms without changing the technical spirit or essential features of the present invention. you will be able to understand Accordingly, the embodiments described above are illustrative in all respects and not restrictive.

1: PLC multi-communication cable
100: connector housing
110: dip switch
120: cable position control unit
121: rolling part
122: belt part
123: roller
124: roller cable
130: connector storage unit
131: protrusion guide
132: middle wall
140: connector connection passage
101: home
200: communication cable
220: connector connection
300: PLC connector
310: cable connector
320: PLC connection terminal
321: connector pin
330: turn
340: dip switch input unit
400: connector tow
410: support plate
420: first elastic spring
430: tow button
431: second elastic spring

Claims (8)

In the communication cable provided in the connector housing to communicate with PLC,
a PC connection unit formed at one end of the communication cable to be connected to a PC;
a connector connection part formed at the other end of the communication cable on which the PC connection part is formed, and provided inside the connector housing; and
A cable connection terminal compatible with the connector connection part is formed on one end, and a PLC connection terminal is formed on the other end to be compatible with the communication port of the PLC, and one or more PLC connectors are included;
The connector housing,
a dip switch operable to control whether a connector pin formed on the PLC connector is activated;
A cable positioning unit connected to one end of the communication cable to adjust the position of the communication cable in the front direction or the rear direction of the connector housing; PLC multi-communication cable comprising a further comprising
According to claim 1,
The connector housing,
PLC multi-communication cable, characterized in that the PLC connection terminal of the PLC connector protrudes to the front of the connector housing and is connected to the communication port of the PLC
According to claim 1,
The PLC connector is
PLC multi-communication cable, characterized in that when provided in plurality inside the connector housing, the PLC connection terminals are formed in different shapes
delete 3. The method of claim 2,
The PLC connector is
a dip switch input unit formed on one surface to be connected to the dip switch formed in the connector housing;
The dip switch input unit,
PLC multi-communication cable, characterized in that when one of the PLC connectors is selected and the PLC connection terminal is positioned to protrude from the front of the connector housing, it is vertically aligned with the dip switch
In the communication cable provided in the connector housing to communicate with PLC,
a PC connection unit formed at one end of the communication cable to be connected to a PC;
a connector connection part formed at the other end of the communication cable on which the PC connection part is formed, and provided inside the connector housing; and
A cable connection terminal compatible with the connector connection part is formed on one end, and a PLC connection terminal is formed on the other end to be compatible with the communication port of the PLC, and one or more PLC connectors are included;
The connector housing,
a dip switch operable to control whether a connector pin formed on the PLC connector is activated;
a connector storage unit in which a groove is formed according to the shape of the PLC connector to store the PLC connector;
A connector connection passage formed at the upper end of the connector storage unit and forming a space in which the PLC connector and the connector connection unit are connected; PLC multi-communication cable comprising a further comprising:
7. The method of claim 6,
The connector housing,
Further comprising; a connector traction unit for pushing up the PLC connector from the lower end so that the PLC connector provided in the connector storage unit moves to the connector connection passage;
The connector traction unit,
a support plate provided to support the lower end of the PLC connector;
an elastic spring formed at the lower end of the support plate and exerting a pulling force in the direction of the connector housing; and
PLC multi-communication cable comprising a; traction buttons formed on both sides of the support plate to pull the support plate upward
The method of claim 1,
The cable positioning unit,
and a rolling part provided so that foreign substances from the outside do not flow into the inside;
The rolling part,
a belt part formed so as not to leave a gap in a groove formed in the connector housing to guide the cable positioning part; and
PLC multi-communication cable comprising a; rollers formed at the front and back so that the belt is wound in the process of moving the communication cable

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