JPH11307193A - I/o terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and reliably perform replacing work when required to replace a part or the whole from plural control signal generating parts by pressing/fixing the terminal part of an output module in/to terminal receiving part, and inserting/connecting the output module between an input side signal conductor and an output side signal conductor. SOLUTION: In an I/O terminal, an output module 1 mounted with a relay 13 or the like can be freely replaced to a terminal base 2 integrated with a case 3. In the output module 1, a relay 13, a TRIAC 14 and a transistor 15 are respectively mounted by four pieces on a printed circuit board 12, and the terminal part having plural terminal piece being input/output terminals of the electronic elements is also arranged on the printed circuit board 12. The terminal base 2 has the terminal receiving part capable of pressing in/fixing the terminal part 7 of the output module 1 and an input connector 4 connected to an input side signal conductor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an output module on which a plurality of control signal generating parts such as relays, solid state relays (SSR), transistors, and triacs are mounted. The present invention relates to an I / O terminal used for insertion connection between a line and an output side signal line.
The present invention relates to an I / O terminal capable of replacing the output module.

[0002]

2. Description of the Related Art For example, a programmable controller
(PLC) or the like is used as a control center of the entire system to control equipment, since many control signal generation components such as relays and SSRs are used, the control center is connected to many control signal generation components. Wiring becomes complicated. In order to eliminate this complexity, for example, in a system configuration using a PLC, when wiring is performed to connect between a large number of control signal generation components and the PLC, the large number of control signal generation components are collectively mounted. By connecting to a PLC using a new I / O terminal, the number of wiring steps has been reduced.

In addition, control signal generating components used in the I / O terminal include, for example, relays, SSRs, transistors,
The type and capacity of the triac and the like are appropriately selected, and the terminal structure is different for each type and capacity.

[0004]

However, in the case of the conventional I / O terminal, for example, there is a need to change a part or all of the control content for the device to be controlled. If it is necessary to replace some or all of the control signal generation components with new control signal generation components, the original I / O terminal and PL
There is a problem that the connection with C must be canceled and replaced with a new I / O terminal and connected with PLC.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems. It is an object of the present invention to select a part or all of a plurality of control signal generation components for a new control signal generation. When it is necessary to replace the control signal generation part, the operation for replacing the control signal generation part can be easily and reliably performed.
O terminal.

[0006]

According to the first aspect of the present invention, an output module having a plurality of control signal generating components mounted thereon and a terminal portion of the output module can be press-fitted and fixed. A terminal base having a terminal receiving portion, an input connector connected to the input signal line, an output terminal block connected to the output signal line, and a power terminal block; I / F is press-fitted and fixed to the terminal receiving portion, so that the output module can be inserted and connected between the input-side signal line and the output-side signal line. O terminal.

According to the first aspect of the present invention, when it is necessary to replace a plurality of control signal generation components with new control signal generation components, the control signal generation components must be prepared in advance. By simply using the output module selected from the output modules corresponding to the replacement and performing the module replacement work, the work of replacing the control signal generating parts can be easily and reliably performed. Let's do it.

The invention according to claim 2 of the present application is characterized in that the output module equally divides the number of the control signal generating components to be mounted and converts the control signal generating component into a unit module for each divided section. 2. The I / O terminal according to claim 1, wherein

According to the invention as set forth in claim 2 of the present application, when it is necessary to replace a part of the plurality of control signal generating components with a new control signal generating component, it is prepared in advance. Control is performed by simply performing module replacement work using one or more output modules corresponding to the replacement selected from the output modules for each unit module that has been set. The task of exchanging signal generation parts can be performed easily and reliably. In addition, since the shape of each unit module is unified, module replacement work and module
File management and so on.

Also, for example, when constructing a control system for controlling equipment using a PLC as a control center of the entire system, a unit module on which a suitably selected control signal generation component is mounted can be selected and replaced. The connection of the control system could be simplified.

In the invention according to claim 3 of the present application, the output module divides the mounting number of the control signal generating component into a suitably selected number and divides the control module into a unit module for each division. The I / O terminal according to claim 1, wherein

According to the invention described in claim 3 of the present application, when it is necessary to replace some of the plurality of control signal generation components with new electronic elements, prepare in advance. The module is replaced by using one or more output modules corresponding to the replacement selected from the output modules for each unit module.
The task of exchanging control signal generation parts can be performed easily and reliably. In addition, if the replacement section of the control signal generating component can be specified, a module replacement operation without waste can be performed.

The invention according to claim 4 of the present application is characterized in that the output module is configured by mounting a control signal generation component on a printed circuit board.
3. The I / O terminal according to any one of (1) to (3).

According to the invention as set forth in claim 4 of the present application, for example, the type of control signal generating components such as relays, SSRs, transistors, and triacs and their capacities are appropriately selected and the printed circuit board is selected. A desired output module could be easily obtained by simply mounting the module.

In the invention according to claim 5 of the present application, the terminal portion of the output module and the terminal receiving portion of the terminal base can be shared regardless of the type of the control signal generating component. 5. The terminal module according to claim 1, wherein the terminal pieces or the terminal receiving holes have the same shape so that the output module can be freely replaced with respect to the terminal base. In the I / O terminal described.

According to the invention as set forth in claim 5 of the present application, all output modules can be freely replaced with respect to the terminal base regardless of the type of mounted components. -Minal design flexibility will be improved.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the I / O terminal according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view showing the external appearance of a first embodiment of an I / O terminal according to the present invention, and FIG. 2 is a diagram showing the I / O terminal of FIG.
FIG. 3 is an exploded perspective view of the terminal, FIG. 3 is a perspective view showing the appearance of the I / O terminal of FIG. 1 with the case removed, and FIG.
FIG. 3 is a perspective view showing the appearance of an output module used in the / O terminal. In the figure, 1 is an output module, 2 is a terminal base, 3 is a case, 4 is an input connector,
5 is an output terminal block, 6 is an extension connector, 7 is a power supply terminal block, 8 is a terminal portion of the output module, 9 is a terminal strip, 10
Is a terminal receiving portion of the terminal base, 11 is a terminal receiving hole,
12 is a printed circuit board, 13 is a relay, 14 is a triac, and 15 is a transistor.

In this I / O terminal, an output module 1 on which a relay 13 and the like are mounted can be freely replaced with a terminal base 2 in which a case 3 is integrated. ing.

As shown in FIG. 4, the output module 1 has four relays 13, three triacs 14, and four transistors 15 mounted on a printed circuit board 12, and each of these electronic elements has A terminal section 8 having a plurality of terminal pieces 9 serving as input / output terminals is provided on a printed circuit board 12.

As shown in FIGS. 1 to 3, the terminal base 2 has a terminal receiving portion 10 for press-fitting and fixing the terminal portion 7 of the output module 1, and an input terminal connected to an input side signal line. Connector 4 and output terminal block 5 connected to output signal line
And an extension connector 6 connected to an extension unit described later.
And a power supply terminal block 7, and a terminal receiving portion 10 is formed with a terminal receiving hole 11 for connection with a terminal piece 9 formed in the terminal portion 8 of the output module 1. ing.

Although not shown, the terminal base 2 is provided with a board retainer for preventing the output module 1 from being detached.

As described above, the terminal 8 of the output module 1
Is press-fitted and fixed to the terminal receiving portion 10 of the terminal base 2, so that the output module 1 can be inserted and connected between the input-side signal line and the output-side signal line.

For this reason, when it is necessary to replace a plurality of control signal generating components such as the relay 13 with new control signal generating components, the output module corresponding to the replacement is required. The operation of replacing the control signal generating parts can be performed simply and reliably by simply performing the module replacement operation using the above.

Further, since the output module 1 has a mounting structure of control signal generating components such as the relay 13 on the printed circuit board 12, the output module 1 can be mounted by appropriately selecting the type of the components and the capacity thereof. Thus, a desired output module can be easily obtained.

The terminal section 8 of the output module 1 and the terminal receiving section 10 of the terminal base 2 serve as control signal generating parts such as relays 13 regardless of the type of control signal generating parts. The terminal pieces 9 and the terminal receiving holes 11 have the same shape so that they can be shared, and the output module 1 can be freely replaced with the terminal base 2.
Therefore, all output modules 1 can be freely replaced with the terminal base 2 irrespective of the type of mounted components, so that the degree of freedom in designing I / O terminals is improved.

Next, the second and third embodiments of the I / O terminal according to the present invention in which the output module is of a split type will be described.

FIG. 5 is a perspective view showing the external appearance of a second embodiment of the I / O terminal according to the present invention. FIG. 6 shows FIG.
FIG. 7 is a partially exploded perspective view of the I / O terminal of FIG.
FIG. 8 is an exploded perspective view showing the external appearance of the I / O terminal with the case removed, FIG. 8 is a perspective view showing the external appearance of the relay output module used in the I / O terminal of FIG. 5, and FIG. I in FIG.
FIG. 10 is a perspective view showing the appearance of a triac output module used in the / O terminal, and FIG. 10 is a perspective view showing the appearance of a transistor output module used in the I / O terminal of FIG.

In the first embodiment, the output module is constructed by mounting four relays 13, three triacs 14, and four transistors 15 each. However, in this case, replacement is unnecessary together with the parts that need replacement. Even the parts group will be replaced by the work of replacing the output module.

In order to eliminate such waste, in the second embodiment, the number of mounted control signal generation components is equally divided and unitized for each division. As shown in FIG. 8, the relay module 1A in which four relays 13 are mounted on the printed circuit board 12a, as shown in FIG. Four triacs 14 on the printed circuit board 12b
Is mounted on the printed circuit board 12c as shown in FIG.
And a transistor output module 1C on which the transistors 15 are mounted. Here,
Although a unit module is configured for each component group for each component type, the unit module may be divided into a plurality of component groups of the same type, or a mixture of different types of components.
Can also be used.

In the present embodiment using the output module which is equally divided into unit modules, for example,
When it becomes necessary to replace the relay 13, the relay output module 1A prepared in advance is selected from the output modules for each unit module. Further, the relay output module 1A which is inserted and arranged in the terminal base 2 and electrically connected thereto is removed.

Thereafter, a new relay output module 1A
The terminal module 8 is press-fitted and fixed to the terminal receiving section 10 of the terminal base 2, so that the output module 1 can be inserted and connected between the input signal line and the output signal line. Become. The module replacement work can be performed in the same manner with the triac output module 1B and the transistor output module 1C.

As described above, according to the present embodiment, when it is necessary to replace a part of the plurality of control signal generating components with a new control signal generating component, the one corresponding to the replacement is required. By simply performing the module replacement operation using an output module of a unit or more, the operation of replacing the control signal generating parts can be performed easily and reliably. In addition, since the shape of each unit module is unified, module replacement work and module management can be easily performed.

Further, as in this embodiment, the output module
In the case where the control module is of the equal division type, for example, when constructing a control system for controlling the equipment by using the PLC as a control center of the whole system, a unit module mounted with appropriately selected control signal generation parts is selected. The connection of the control system can be simplified.

For example, in the conventional case, FIG.
As shown in FIG. 1A, a transistor unit 17, a triac unit 18, and a power transistor 19 are mounted on the PLC 16, and a connection between the PLC 16 and the motor 20 and between the PLC 16 and the heater 21 are provided. Was directly connected. Note that the PLC 16 and the contactors 22,
A conventional structure of a relay terminal 25 is connected between the solenoid 23 and the patrol light 24 for connection. In other words, conventionally, when it is desired to use a transistor or a triac having a large capacity as a control signal generation component, the PLC
Had to add another output unit.

On the other hand, when the flexible I / O terminal 26 having the I / O terminal application structure of the present embodiment is used as shown in FIG. 2
0, heater 21, contactor 22, solenoid 23, and patrol light 24 can all be connected to PLC 16 via flexible I / O terminal 26. In addition, since the unit added to the PLC 16 can be unified to the small-capacity transistor unit 17, the space and the cost of the control unit can be reduced. In addition,
In the flexible I / O terminal 26, 27 is a relay module, 28 is a triac module, 29
Is a power transistor module, and 30 is an extension connector.

FIG. 12 is a perspective view showing the external appearance of a third embodiment of the I / O terminal according to the present invention. FIG. 13 is an exploded perspective view of the I / O terminal of FIG. 12, and FIG.
FIG. 15 is an exploded perspective view showing an exploded appearance of the I / O terminal 2 with the case removed, and FIG. 15 is a perspective view showing the appearance of an SSR output module used in the I / O terminal of FIG. 1
6 is a perspective view showing the appearance of the first transistor output module used in the I / O terminal of FIG. 12, and FIG.
FIG. 11 is a perspective view showing the appearance of a second transistor output module used in the I / O terminal No. 2;

In this embodiment, as in the second embodiment, the parts that do not need to be replaced need not be replaced as much as possible, but the method of dividing the output module is different. That is, in the present embodiment, for example, when the replacement category of the component can be specified corresponding to the device to be controlled, the number of mounted components is divided into appropriately selected numbers, and the unit module is divided for each division. -Conversion to As shown in FIG. 15, the relay module 1D in which three relays 13 are mounted on a printed circuit board 12d, and as shown in FIG. A first transistor output module 1E in which four transistors 15 are mounted on a printed circuit board 12e, and a printed circuit board 1 as shown in FIG.
And a second transistor output module 1F in which two transistors 15 are mounted on 2f.

In the present embodiment using the output module divided into unit modules by appropriately selecting sections as described above, a part of the plurality of electronic elements is newly added as in the second embodiment. If it becomes necessary to replace it with a new electronic element,
It is only necessary to perform module replacement work using one or more output modules corresponding to the replacement selected from the output modules for each unit module prepared in advance. In addition, the operation of replacing the control signal generating parts can be performed simply and reliably. In addition, when the replacement section of the control signal generation component can be specified, the module can be replaced without waste.

As described above, in the I / O terminal of each embodiment according to the present invention, the type of the output element can be selected by one unit.
By adding an extension unit according to (30), it is possible to increase the number of input points left on the main body and use it. FIG.
An example is shown below.

In this example, an expansion unit 31 in which a control signal generating component 33 for opening and closing a large capacity is mounted by a flexible I / O terminal 26 using an output module, and the component 33 are connected. This figure shows a configuration in which the extension unit 32 mounted at two points is selectively connected by a connection cable.

[0042]

As is apparent from the above description, according to the present invention, it is necessary to replace some or all of the plurality of control signal generation components with new control signal generation components. If this occurs, it is possible to provide an I / O terminal that can easily and reliably replace the component.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an external appearance of a first embodiment of an I / O terminal according to the present invention.

FIG. 2 is an exploded perspective view of the I / O terminal of FIG.

FIG. 3 is a perspective view showing the external appearance of the I / O terminal of FIG. 1 with a case removed.

4 is an output module used in the I / O terminal of FIG.
FIG. 2 is a perspective view showing the appearance of the console.

FIG. 5 is a perspective view showing an external appearance of a second embodiment of the I / O terminal according to the present invention.

FIG. 6 is an exploded perspective view of the I / O terminal of FIG.

FIG. 7 is a perspective view showing the external appearance of the I / O terminal of FIG. 5 with a case removed.

8 is a perspective view showing the appearance of a relay output module used in the I / O terminal of FIG.

FIG. 9 is a perspective view showing an appearance of a triac output module used in the I / O terminal of FIG. 5;

10 is a perspective view showing an appearance of a transistor output module used in the I / O terminal of FIG.

FIG. 11 is an explanatory diagram of a connection example in the case of using the product of the second embodiment of the I / O terminal according to the present invention.

FIG. 12 is a perspective view showing an external appearance of a third embodiment of an I / O terminal according to the present invention.

FIG. 13 is an exploded perspective view of the I / O terminal of FIG.

14 is an exploded perspective view showing an exploded appearance of the I / O terminal of FIG. 12 with a case removed.

FIG. 15 is a perspective view showing an appearance of a relay output module used in the I / O terminal of FIG.

16 is a perspective view showing an appearance of a first transistor output module used in the I / O terminal of FIG.

FIG. 17 is a perspective view showing an appearance of a second transistor output module used in the I / O terminal of FIG.

FIG. 18 is a configuration diagram showing an example in which an extension unit is connected to an I / O terminal according to the present invention.

[Explanation of symbols]

 Reference Signs List 1 output module 1A relay output module 1B triac output module 1C transistor output module 1D relay output module 1D 1E first transistor output module 1F second transistor output module 2 Terminal base 3 Case 4 Input connector 5 Output terminal block 6 Extension connector 7 Power supply terminal block 8 Terminal part of output module 9 Terminal strip 10 Terminal receiving part of terminal base 11 Terminal receiving hole 12 Printed circuit board 12a-12f Printed circuit board 13 Relay 14 Triac 15 Transistor 16 PLC 17 Transistor unit 18 Triac unit 19 Power transistor 20 Motor 21 Heater 22 Contactor 23 Solenoid 24 Patlite 25 Relayer -Minal 26 Rekishiburu I / O data - Terminal 27 relay - module - le 28 triac module - le 29 power - transistor module - le 30 Expansion connector 31 expansion units

Claims (5)

[Claims] An output module on which a plurality of control signal generation parts are mounted, a terminal receiving section capable of press-fitting and fixing a terminal section of the output module, an input connector connected to an input side signal line, and an output. And a terminal base having an output terminal block connected to the side signal line and a power supply terminal block. The input section is fixed by press-fitting the terminal section of the output module into the terminal receiving section. Between the side signal line and the output side signal line,
An I / O terminal characterized in that the output module can be inserted and connected. 2. The I / O according to claim 1, wherein the output module equally divides the number of the control signal generation components to be mounted and unitizes the number of control signal generation components for each division. O terminal. 3. The output module according to claim 1, wherein the number of mounted control signal generating components is divided into a suitably selected number and divided into unit modules for each divided section. I / O terminal described in 1. 4. The I / O terminal according to claim 1, wherein said output module is configured by mounting said control signal generating component on a printed circuit board. . 5. The shape of a terminal piece and a terminal receiving hole so that the terminal part of the output module and the terminal receiving part of the terminal base can be shared regardless of the type of the control signal generating component. The I / O terminal according to any one of claims 1 to 4, wherein the output module is freely replaced with respect to the terminal base.