JPH1168335A - Controller and controller system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily pile up and connect controllers with each other. SOLUTION: An attaching shaft 1 is freely rotatably passed through the controller 2 and the attaching shaft 1 is attached to the controller 2 so as not to fall off by a fall-off prevention means 3. One end part of the attaching shaft 1 is turned to a male screw part 4 and the other end part is turned to a female screw part 5 freely screwable to the male screw part 4. At least one of both end parts of the attaching shaft 1 is projected outward from the controller 2. A rotating operation part 6 for freely rotatably operating the attaching shaft 1 from the outside is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device and a control device system including a plurality of control devices.

[0002]

2. Description of the Related Art A control device 2 such as a programmable control unit as shown in FIG.
In order to add an additional unit as shown in FIG. 18, the control units 2 are installed side by side as shown in FIG. 19, and the control devices 2 are connected to each other by a cable 11 for connecting to an electrical connection unit 10 provided on the control device 2. Was.

As described above, conventionally, in order to install a plurality of control devices 2 on a control panel (not shown), only the control devices 2 can be arranged side by side, so that the installation area increases. There is a problem that the control panel becomes large.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and makes it possible to easily stack and connect control devices and to freely connect a plurality of control devices. It is an object of the present invention to provide a control device and a control device system which can be disposed in the control device and can reduce the size of a control panel for storing the control device.

[0005]

In order to solve the above-mentioned problems of the present invention, a control device according to the present invention includes a mounting shaft 1 rotatably inserted into a control device 2 and controlled by a retaining means 3. The mounting shaft 1 is attached to the device 2 so that it does not come off. One end of the mounting shaft 1 is a male screw portion 4 and the other end is a female screw portion 5 which can be screwed to the male screw portion 4.
At least one of both ends of the mounting shaft 1 is projected outward from the control device 2, and a rotation operation unit 6 for rotatably operating the mounting shaft 1 from outside is provided. Is what you do. With such a configuration, the control devices 2 can be overlapped with each other, and the male screw portion 4 and the female screw portion 5 of the mounting shaft 1 can be screwed and mounted. When the control devices 2 are attached to each other in the front-rear direction, the attachment shaft 1 incorporated in the control device 2 is used, and the rotation operation unit 6 provided on the attachment shaft 1 is operated from outside to easily attach the control shaft 1. These can be screwed together with the male screw part 4 and the female screw part 5.

A substantially central portion of the shaft mounting hole 7 provided in the control device 2 in the axial direction is defined as a large-diameter hole 8 having a larger diameter than other portions. The large-diameter portion 9 at the substantially central portion in the direction is rotatably fitted into the retaining portion 3.
It is preferable to configure With such a configuration, the mounting shaft 1 can be mounted on the control device 2 with a simple configuration in which the large-diameter portion 9 is provided substantially at the center of the shaft mounting hole 7 in the axial direction and substantially at the center of the mounting shaft 1 in the axial direction. Can be prevented from falling out.

[0007] Both ends in the axial direction of the shaft mounting hole 7 provided in the control device 2 are large-diameter holes 8 having a larger hole diameter than the other portions, respectively. It is preferable that the large diameter portions 9 at both ends of the mounting shaft 1 are rotatably fitted into the large diameter hole 8 to constitute the retaining means 3. With such a configuration, the mounting shaft 1 can be prevented from falling out of the control device 2 with a simple configuration,
Further, it is also possible to form the female screw portion 5 at the large diameter portion 9 at the end. In this case, the portion where the female screw portion 5 is provided can have the maximum diameter, and the maximum diameter of the mounting shaft 1 can be reduced. is there. In other words, when forming the large diameter portion 9 and the small diameter portion 13 on the attachment shaft 1 to form the retaining shaft 3, the mounting shaft 1 is formed with the female screw portion 5 on the large diameter portion 9, so that the small diameter portion 13 is formed. The maximum diameter of the mounting shaft 1 can be reduced as compared with the case where the female screw portion 5 is provided.

It is preferable that the end of the mounting shaft 1 protruding outward from the control device 2 is a male screw portion 4. Since the outwardly protruding end is the male screw portion 4, the diameter of the portion protruding to the outside can be made smaller than when the female screw portion 5 is protruded. Further, the control device system of the present invention stacks a plurality of the control devices 2 described above, and connects the control devices 2 adjacent to each other in the stacking direction by screwing the male screw portion 4 and the female screw portion 5 of the mounting shaft 1 together. It is a feature. With such a configuration, the control devices 2 can be stacked and joined by a simple structure in which the male screw portion 4 and the female screw portion 5 are screwed together using the mounting shaft 1 provided on the control device 2. In addition, it is possible to provide a control device system in which a plurality of control devices 2 can be arranged without taking a large area.

Further, the control unit 2 is connected to the electrical connection unit 1.
0 may be provided, a plurality of control devices 2 may be arranged side by side, and the control devices 2 may be connected to each other by a cable 11 connecting to the electrical connection unit 10. In this way, if there is no problem even if the control devices 2 connected by the cable 11 are arranged side by side, the mounting shaft 1 is attached to each control device 2 respectively. Since it is provided, it is possible to mount it on a control panel using this mounting shaft 1, and another control device may be attached to at least one or more of the control devices 2 arranged side by side as necessary. 2 can be mounted by using the mounting shaft 1 and screwing the male screw portion 4 and the female screw portion 5 together.

The control device 2 is connected to the electrical connection unit 1.
0, a plurality of control devices 2 are arranged side by side, and the control devices 2 are connected to each other by a cable 11 that connects the control devices 2 to an electrical connection unit 10, and at least one or more control devices 2 of the control devices 2 arranged side by side And another control device 2 adjacent to the control device 2 in the stacking direction is mounted on the shaft 1.
The male screw part 4 and the female screw part 5 are connected by screwing, and the stacked control devices 2 are connected to each other by a cable 11 that is connected to the other control device 2 and the electrical connection unit 10. It may be. With such a configuration, the arrangement area can be reduced as compared with the case where the plurality of control devices 2 are all arranged side by side, and the length in the stacking direction can be shortened as compared with the case where all of the control devices 2 are stacked. (Depth direction) can be made as compact as possible. Also, the control device 2 is provided with an electrical connection portion 10, and the two control devices 2 are arranged so as to be substantially L-shaped, and the control devices 2 are connected to each other by a cable 11 connecting the electrical connection portion 10. And 2 arranged in a substantially L-shape
At least one of the two control devices 2
Are stacked and the control devices 2 adjacent in the stacking direction are connected to each other by screwing the male screw portion 4 and the female screw portion 5 of the mounting shaft 1, and the stacked control device 2 is electrically connected to another control device 2. It may be characterized by being connected by a cable 11 connected to the cable 10. With such a configuration, the plurality of control devices 2 are arranged in a substantially L shape and stacked to achieve compactness.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings. A control shaft 2 is mounted on a control device 2 such as a programmable controller. In the embodiment shown in the accompanying drawings, shaft mounting holes 7 are provided at four corners of the control device 2, and the mounting shafts 1 are rotatably fitted into the shaft mounting holes 7, respectively, and the control device 3 is secured by the retaining means 3. The mounting shaft 1 is attached to 2 so that it does not come off. At least one of both ends (that is, one end or both ends) of the mounting shaft 1 protrudes outward from the control device 2.

In the embodiment shown in FIGS. 1 to 8,
A substantially central portion in the axial direction of the shaft mounting hole 7 is a large-diameter hole portion 8 having a large diameter, and the other portion is a small-diameter hole portion 12 having a small diameter. As shown in FIG. 6, the mounting shaft 1 has a large-diameter portion 9 having a large diameter at a substantially central portion in the axial direction, and a small-diameter portion 13 at other portions. A screw hole is formed in one of the small-diameter portions 13 of the small-diameter portions 13 at both ends, and the female screw portion 5 is formed.
The male screw portion 4 having a smaller diameter than the small diameter portion 13 protrudes from the end face of the other small diameter portion 13. A driver insertion groove 14 is provided at the end on the side of the male screw portion 4, and the driver insertion groove 14 serves as a rotation operation section 6 for inserting and locking a driver from the outside and rotating the driver. The diameter of the tip of the small diameter portion 13 provided with the female screw portion 5 as shown in FIG. The angular portion 25 may be rotated as a rotary operation portion 6 by a rotary jig such as a box driver, or a female screw portion may be provided on the inlet side of the female screw portion 5 as shown in FIG. 5 may be provided with a square hole 26, and the square hole 26 may be rotated as a rotary operation unit 6 by a rotary jig such as a hexagon wrench.

Then, in a state where the mounting shaft 1 is rotatably fitted into the shaft mounting hole 7 of the control device 2, a large diameter hole 8 at a substantially central portion of the shaft mounting hole 7 is provided at a substantially central portion of the mounting shaft 1. Large diameter part 9
Are rotatably positioned, and small-diameter portions 13 are provided in small-diameter holes 12 on both sides.
Are rotatably positioned, and the large-diameter portion 9 at the substantially central portion of the mounting shaft 1 in the axial direction is rotatably fitted into the large-diameter hole portion 8 to form the retaining means 3. In this case, the mounting shaft 1 does not come off the control device 2. The male screw portion 4 projects outward from the control device 2.

The control device 2 is provided with an electrical connection 10. As the electrical connection section 10, an example of a signal connector section is shown. The control device 2 is also provided with a terminal portion 20 such as a power connection terminal. Then
The control device 2 as described above is mounted inside a control panel (not shown). In this case, when mounting the control device 2, the control device 2 is separately screwed into a female screw hole provided in the control panel. (Not shown), but may be mounted by screwing a male screw 4 at the tip of the mounting shaft 1 of the control device 2 into a female screw hole provided in the control panel. When a plurality of control devices 2 are installed in a control panel, as shown in FIG. 2, the plurality of control devices 2 are arranged side by side, and a cable connecting the control devices 2 to the electrical connection unit 10. The control device system can be configured by connecting the control device 11. By doing so, if there is no problem in arranging the control devices 2 connected by the cable 11 side by side, the mounting shafts 1 are attached to the respective control devices 2. Since it is provided, it is possible to mount it on a control panel using this mounting shaft 1, and another control device may be attached to at least one or more of the control devices 2 arranged side by side as necessary. 2 can be mounted by using the mounting shaft 1 and screwing the male screw portion 4 and the female screw portion 5 together.

Further, as shown in FIG.
And the control devices 2 adjacent in the stacking direction may be connected to each other by screwing the male screw portion 4 and the female screw portion 5 of the mounting shaft 1 together to form a control device system. In this case, the control device 2 is mounted using the mounting shaft 1 provided on the control device 2.
They can be stacked and joined by a simple structure of screwing the male screw portion 4 and the female screw portion 5, and the plurality of control devices 2 can be arranged so as not to take a large area.
In this embodiment, the male screw part 4 of the mounting shaft 1 provided on the control device 2 located at the lowermost stage may be used to attach the female screw part 4 provided on the control panel.

As shown in FIG. 4, a plurality of control devices 2 are arranged side by side, and the control devices 2 are connected to each other by a cable 11 for connecting to an electrical connection unit 10. At least one or more control devices 2 (all of the control devices 2 arranged side by side in FIG. 4) are stacked with another control device 2 and the control devices 2 adjacent to each other in the stacking direction are attached to each other. And the female screw portion 5 are screwed and connected, and the stacked control device 2 is connected to another control device 2.
And a control device system may be configured by connecting with a cable 11 connected to the electrical connection unit 10. With such a configuration, the arrangement area can be reduced as compared with the case where the plurality of control devices 2 are all arranged side by side, and the length in the stacking direction can be shortened as compared with the case where all of the control devices 2 are stacked. (Depth direction) can be made as compact as possible. In this embodiment, the male screw 4 of the mounting shaft 1 provided on the control device 2 located at the lowermost stage may be used to mount the control device 2 to the female screw provided on the control panel.

Further, as shown in FIG. 5, the two control devices 2 are arranged so as to be substantially L-shaped, and the control devices 2 are connected to each other by a cable 11 for connecting to the electrical connection portion 10. A plurality of further control devices 2 are stacked on at least one of the two control devices 2 arranged in a line, and the control devices 2 adjacent to each other in the stacking direction are attached to each other.
And the female screw portion 5 may be screwed and connected, and the control device 2 may be connected to another control device 2 by a cable 11 connected to the electrical connection portion 10 to form a control device system. is there. With such a configuration, the plurality of control devices 2 are arranged in a substantially L shape and stacked to achieve compactness. In this embodiment, the male screw part 4 of the mounting shaft 1 provided on the control device 2 located at the lowermost stage may be attached to the female screw part provided on the control panel according to the above-described embodiments. This is the same as described above.

FIGS. 9 to 16 show another embodiment of the present invention. In this embodiment, only the mounting shaft 1 is different from the above-described embodiment, and other configurations are the same. Therefore, only different points will be described. In the embodiment shown in FIGS. 9 to 16, both ends in the axial direction of the shaft mounting holes 7 provided near the four corners of the control device 2 are large-diameter holes 8 with a large diameter, and the central portion is a small-diameter hole 12. Has become. As shown in FIG. 14, the mounting shaft 1 has a small diameter portion 13 having a small diameter at a substantially central portion in the axial direction, and a large diameter portion 9 having a large diameter on both sides of the small diameter portion 13. A screw hole is formed in one of the large-diameter portions 9 at both ends to form a female screw portion 5, and a small-diameter male screw portion 4 is formed from the tip of the other large-diameter portion 9. The male screw portion 4 projects outward from the control device 2. In the present embodiment, the mounting shaft 1 is rotatably fitted into the shaft mounting hole 7 of the control device 2, and the substantially central portion of the mounting shaft 1 is inserted into the large-diameter holes 8 on both sides of the shaft mounting hole 7. Large-diameter portion 9 is rotatably positioned,
The small-diameter portion 13 is rotatably positioned in the small-diameter hole portion 12 in the substantially central portion, and the large-diameter portion 9 in the substantially central portion in the axial direction of the mounting shaft 1 is thus rotated in the large-diameter hole portion 8. The retaining shaft 3 is configured to be fitted freely so that the mounting shaft 1 does not come off from the control device 2.

A driver insertion groove 14 is provided at the distal end of the female screw portion 5, and the driver insertion groove 14 serves as a rotation operating portion 6 for inserting and locking a driver from the outside and rotating the driver. I have. It should be noted that, as the rotary operation part 6, the diameter of the distal end of the small diameter part 13 provided with the female screw part 5 as shown in FIG. The angular section 25 may be rotated as a rotary operation section 6 by a rotary jig such as a box driver. Further, as shown in FIG. 5 is provided with a square hole 26, and this square hole 26 is
May be rotated by a rotary jig such as a hexagon wrench.

The mounting shaft 1 shown in FIGS. 9, 14 to 16 has a large-diameter portion 9 and a small-diameter portion 13 for forming the large-diameter portion 9 and the small-diameter portion 13 on the mounting shaft 1 to constitute the retaining means 3. 1, the maximum diameter of the mounting shaft 1 can be reduced as compared with the case where the female screw portion 5 is provided in the small diameter portion 13 as shown in FIGS. Also, in the control device 2 of the present embodiment, similarly to the above-described embodiment, when installing in the control panel, a plurality of control devices 2 are arranged in various arrangement states as shown in FIGS. Thus, a control device system can be configured.

In each of the above-described embodiments, only the male screw portion 4 is controlled while the mounting shaft 1 having the female screw portion 5 at one end and the male screw portion 4 at the other end is mounted on the control device 1. Although one that protrudes outward from the device 1 is disclosed, only the female screw portion 5 instead of the male screw portion 4 may protrude outward from the rear side of the control device 1. In this case, the rotation operation section 6 is provided at the tip of the male screw section 4. In addition, both the male screw part 4 and the female screw part 5 may protrude outward from the control device 1. In this case, when the control devices 1 are stacked, they can be stacked so that a gap is formed between the control devices 1 so that the control devices 1 do not contact each other.

[0022]

According to the first aspect of the present invention, the mounting shaft is rotatably inserted into the control device, and the mounting shaft is prevented from falling out of the control device by the retaining means. One end of the mounting shaft is a male screw portion and the other end is a female screw portion that can be screwed to the male screw portion, and at least one end of both ends of the mounting shaft projects outward from the control device. Since the rotary operation unit for operating the mounting shaft rotatably from the outside is provided, the control devices can be overlapped with each other and the male screw portion and the female screw portion of the mounting shaft can be screwed and mounted. By externally operating the rotation operation unit provided on the mounting shaft using the mounting shaft incorporated in the control device, the mounting shafts can be easily screwed together with the male screw portion and the female screw portion, and as a result, Compact configuration One in which it is possible to see lap joint.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, a substantially central portion of the shaft mounting hole provided in the control device in the axial direction is made larger than other portions. A large-diameter hole having a large hole diameter is formed, and a large-diameter portion at a substantially central portion in the axial direction of the mounting shaft is rotatably fitted into the large-diameter hole to constitute a retaining means. With a simple configuration in which a large diameter portion is provided substantially at the center of the mounting shaft and substantially at the center of the mounting shaft in the axial direction, the mounting shaft can be prevented from falling out of the control device.

According to the third aspect of the present invention, in addition to the effects of the first aspect of the present invention, both ends in the axial direction of the shaft mounting holes provided in the control device are each made to have a higher degree than other parts. A large diameter hole having a large hole diameter is formed, and the large diameter portions at both ends of the mounting shaft are rotatably fitted into the large diameter holes at both ends in the axial direction of the shaft mounting hole, so that a retaining means is configured. With a simple configuration, it is possible to prevent the mounting shaft from falling out of the control device, and it is also possible to form a female thread at the large-diameter portion of the end. When the diameter is made larger, the maximum diameter of the mounting shaft can be reduced as compared with the case where the female screw portion is provided in the small diameter portion when forming the large diameter portion and the small diameter portion on the mounting shaft to constitute the retaining means. The cost of material can be reduced. .

According to the fourth aspect of the present invention, in addition to the effects of the first to third aspects of the present invention, in addition to the above-described one, the projection protrudes outward from the control device of the mounting shaft. Is an external thread, so that the diameter of the portion protruding from the control device to the outside can be reduced as compared with the case where the internal thread is projected. According to a fifth aspect of the present invention, a plurality of the control devices according to any one of the first to fourth aspects are stacked, and the control devices adjacent to each other in the stacking direction are connected to each other with the male screw portion and the female screw portion of the mounting shaft. Are connected by screwing, so that the control devices can be stacked and joined with a simple structure of screwing a male screw portion and a female screw portion using a mounting shaft provided on the control device. It is possible to provide a control device system in which devices can be arranged so as not to take up a large area.

According to a sixth aspect of the present invention, the control device according to any one of the first to fourth aspects is provided with an electrical connection portion, and a plurality of control devices are arranged side by side to control the control devices. Are connected by a cable that connects to the electrical connection part, so if there is no problem even if they are arranged side by side, the control devices connected by cables can be arranged side by side. Since each of them has a mounting shaft, it can be mounted on the control panel using this mounting shaft.If necessary, at least one of the control devices arranged side by side can be installed separately. The above control device can be mounted by screwing a male screw portion and a female screw portion using a mounting shaft.

According to a seventh aspect of the present invention, the control device according to any one of the first to fourth aspects is provided with an electrical connection portion, and a plurality of control devices are arranged side by side to control the control devices. Are connected by a cable connecting to the electrical connection part, and at least one of the control devices arranged side by side is further stacked with another control device, and adjacent control devices in the stacking direction are attached to each other. The male and female threads are screwed together and connected, and the stacked control devices are connected by cables that connect to other control devices and electrical connections, so that multiple control devices are all arranged side by side. The arrangement area can be reduced as compared with the above, and the length in the stacking direction can be shortened as compared with the case where all are stacked, so that both the area and the stacking direction (depth direction) can be made as compact as possible.

According to a seventh aspect of the present invention, the control device according to any one of the first to fourth aspects is provided with an electrical connection portion, and the two control devices are substantially L-shaped. The control devices are connected by a cable that connects the electrical devices to the electrical connection part, and a plurality of further control devices are stacked on at least one of the two control devices arranged substantially in an L-shape and are adjacent to each other in the stacking direction. Since the control devices are connected by screwing the male screw portion and the female screw portion of the mounting shaft, and the stacked control devices are connected by cables connecting the other control devices to the electrical connection portions, a plurality of control devices are connected. Are arranged in a substantially L-shape and stacked to achieve compactness.

[Brief description of the drawings]

FIG. 1 shows one embodiment of a control device of the present invention, and (a)
Is a plan view, and (b) is a partially broken front view.

FIG. 2 is a front view of a state where a plurality of control devices are arranged side by side.

FIG. 3 is a front view of a state in which the plurality of control devices are stacked in multiple stages.

FIG. 4 is a front view of a state in which the plurality of control devices are arranged side by side and stacked in multiple stages.

FIG. 5 is a front view showing a state in which the control devices are arranged in an L shape and stacked in multiple stages.

FIGS. 6A and 6B show a mounting shaft used in the embodiment, FIG. 6A is a plan view, FIG. 6B is a partially cutaway front view, and FIG. 6C is a bottom view.

FIG. 7 shows another embodiment of the mounting shaft used in the above.
(A) is a plan view, (b) is a partially cutaway front view, and (c) is a bottom view.

8A and 8B show still another embodiment of the mounting shaft used in the embodiment, wherein FIG. 8A is a plan view, FIG. 8B is a partially cutaway front view, and FIG. 8C is a bottom view.

9A and 9B show another embodiment of the present invention, in which FIG. 9A is a plan view, and FIG. 9B is a partially cutaway front view.

FIG. 10 is a front view of a state where a plurality of control devices are arranged side by side.

FIG. 11 is a front view of a state in which the plurality of control devices are stacked in multiple stages.

FIG. 12 is a front view of a state in which the plurality of control devices are arranged side by side and stacked in multiple stages.

FIG. 13 is a front view showing a state in which the control devices are arranged in an L-shape and stacked in multiple stages.

14 (a) is a plan view, FIG. 14 (b) is a partially broken front view, and FIG.
Is a bottom view.

15 (a) is a plan view, FIG. 15 (b) is a partially cutaway front view, and FIG. 15 (c) is a bottom view.

FIGS. 16A and 16B show still another embodiment of the mounting shaft used in the embodiment, in which FIG. 16A is a plan view, FIG. 16B is a partially broken front view, and FIG. 16C is a bottom view.

17A and 17B show a control device of a conventional example, wherein FIG. 17A is a plan view and FIG. 17B is a front view.

FIGS. 18A and 18B show a conventional extension control device, wherein FIG. 18A is a plan view and FIG. 18B is a front view.

FIG. 19 is a front view showing a state where a plurality of additional control devices are connected to the conventional control device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mounting shaft 2 control device 3 retaining means 4 male screw part 5 female screw part 6 rotating operation part 7 shaft mounting hole 8 large diameter hole 9 large diameter part 10 electrical connection part 11 cable

Claims (8)

[Claims] 1. A mounting shaft is rotatably inserted into a control device and is attached by a retaining means so that the mounting shaft does not come off from the control device. An end portion is a female screw portion that can be screwed to the male screw portion, at least one end of both ends of the mounting shaft is projected outward from the control device, and the mounting shaft is rotatably operated from the outside. A control device comprising a rotary operation unit. 2. A large-diameter hole portion having a larger diameter than other portions in an axially central portion of a shaft mounting hole provided in the control device,
2. The control device according to claim 1, wherein the large-diameter portion at the substantially central portion of the mounting shaft in the axial direction is rotatably fitted into the large-diameter hole portion to constitute a retaining means. 3. Both ends of the shaft mounting hole provided in the control device in the axial direction are large-diameter holes having hole diameters larger than those of the other portions, and large-diameter holes at both axial ends of the shaft mounting hole. 2. The control device according to claim 1, wherein large diameter portions at both ends of the mounting shaft are rotatably fitted into the mounting shaft to constitute a retaining means. 4. The control device according to claim 1, wherein an end of the mounting shaft protruding outward from the control device is a male screw portion. 5. The control device according to claim 1, wherein a plurality of control devices are stacked, and control devices adjacent in the stacking direction are connected by screwing a male screw portion and a female screw portion of a mounting shaft. Control equipment system characterized by the above-mentioned. 6. The control device according to claim 1, further comprising an electrical connection portion, wherein a plurality of control devices are arranged side by side and connected by a cable connecting the control devices to the electrical connection portion. A control device system characterized by: 7. The control device according to claim 1, further comprising an electrical connection portion, wherein a plurality of control devices are arranged side by side, and the control devices are connected to each other by a cable connecting to the electrical connection portion. At the same time, another control device is stacked on at least one or more of the control devices arranged side by side, and the control devices adjacent to each other in the stacking direction are screwed together with the male screw portion and the female screw portion of the mounting shaft. A control device system comprising a connected and stacked control device connected to another control device by a cable connecting to an electrical connection portion. 8. The control device according to claim 1, further comprising an electrical connection portion, wherein the two control devices are arranged so as to be substantially L-shaped, and the control devices are electrically connected to each other. A plurality of control devices are stacked on at least one of the two control devices arranged in a substantially L-shape, and control devices adjacent to each other in the stacking direction are attached to each other. A control device system comprising: connecting the control devices by screwing together, and connecting the stacked control devices to other control devices by a cable that connects to an electrical connection portion.