JPH01203780A - Manifold valve - Google Patents

Abstract

PURPOSE:To shorten the wiring between a detector and controller and diminish the wiring space by installing a wiring part for connecting the controller and the solenoids of a plurality of solenoid valves onto a manifold block. CONSTITUTION:The longitudinal length of a manifold block 1 is sufficient for arranging an electromagnetic direction selector valve 2 as solenoid valve and a control module 30 of a programmable controller. The electromagnetic direction selector valve 2 for controlling the operation of an actuator is arranged on one surface in the longitudinal direction of the manifold block 1, and the control module 30 is installed on one edge of this plane. Further, a wiring part 4 connected with the control module 30 and the electromagnetic direction selector valve 2 is formed on this plane.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a manifold valve, and more particularly to a manifold valve equipped with a control device for controlling a plurality of electromagnetic valves.

[Prior art]

Many electromagnetic valves such as t-magnetic direction switching valves and electromagnetic flow control valves are used in pneumatic circuits and hydraulic circuits provided in various devices, and the operations of each actuator are controlled by these valves. With the advancement of automation equipment, the number of solenoid valves has increased as the number of actuators has increased, and the piping between the solenoid valves and the actuators as well as the piping and solenoid valves between each solenoid valve and the solenoid valves that control them and the equipment. Wiring between a control device located at a remote location, wiring between a detector that detects the operation of an actuator, etc. and the control device, complicated wiring inside the control device, and installation space for a solenoid valve. Problems have arisen, such as an increase in the number of devices and the size of control devices. In order to solve this problem, solenoid valves have been made into manifold valves, which consist of multiple solenoid valves and manifold blocks arranged side by side, and control devices have been developed with programmable valves that can set the operation of the solenoid valves. Efforts have been made to introduce controllers.

[Problem to be solved by the invention]

The introduction of manifold valves simplifies the piping between the solenoid valve and actuator and the piping between each solenoid valve, making it possible to downsize the installation space for the solenoid valve, and the introduction of a programmable controller simplifies the wiring inside the control device. has been simplified, making it possible to downsize the control device.

However, even with the use of manifold valves and programmable controllers, the complexity of wiring between the solenoid valve and the control device and between the detector and the control device has not been solved. Further, since the control device is usually separated from the device and the wiring distance is long, complicated wiring leads to an increase in wiring costs such as wiring materials and wiring man-hours, and increases wiring troubles such as incorrect wiring. Furthermore, a large wiring space is required, which poses a problem in that it imposes constraints on the shape of the device.

On the other hand, the equipment is equipped with many manifold valves, and the human output of signals between the overall control unit that controls the entire equipment and each programmable controller, as well as the input and output of signals between each programmable controller, are handled by each controller or control device. Since there are many wiring lines in each case, the above-mentioned problems also occur due to these wiring lines.

The present invention has been made in view of the above circumstances, and a first object of the present invention is to simplify the wiring between the solenoid valve and the control device by using a manifold valve equipped with a control device and a wiring section, and to detect the To provide a manifold valve that shortens wiring between a control device and a control device, reduces wiring space, and reduces wiring troubles such as incorrect wiring.

In addition to the above objects, the second object of the present invention is to control the input and output of signals between each control device and between the overall control device and each control device by using a manifold valve equipped with a control device having multiple transmission means. It is an object of the present invention to provide a manifold valve in which wiring can be performed in pairs and the wiring is simplified.

[Means to solve the problem]

Such a manifold valve according to the present invention is a manifold valve comprising a plurality of solenoid valves and a manifold block in which the solenoid valves are arranged side by side. , further comprising a wiring section provided in the manifold block and connecting the control device and the solenoids of the plurality of electromagnetic valves, the control device including means for inputting and outputting signals by multiplex transmission. It is characterized by being prepared.

[Effect]

In the manifold valve of the present invention, a control signal output from the control device is input to the solenoid valve via the wiring section. Further, the multiplex transmission means inputs and outputs signals between each control device and between the overall control device and the control device by multiplex transmission.

〔Example〕

The present invention will be described in detail below based on drawings showing embodiments thereof. FIG. 1 is a perspective view showing a manifold valve according to the present invention, and FIG. 2 is a wiring diagram showing a connection state between a programmable controller, which is a control device provided in the manifold valve, a detector, and a pushbutton switch.

Reference numeral 1 denotes a rectangular pneumatic manifold block installed near the device, and has a large number of piping holes formed inside it, an exhaust port 11, an air supply port 12, and a programmable controller at one end. No. 3 power supply terminals 32 are provided on one side of the manifold block 1. The length of the manifold block 1 in the longitudinal direction is sufficient to accommodate electromagnetic directional control valves 2.2, which are electromagnetic valves, and a control module 30 of a programmable controller 3, which will be described later. On one longitudinal surface of the manifold block 1, electromagnetic directional switching valves 2, 2, . . . for controlling the operations of actuators 5, 5, . are arranged in parallel, and the control module 30 is installed on one side of the
attached to the end. Furthermore, a wiring section 4 is formed on the first surface to connect the control module 30 and the electromagnetic directional control valves 2.2.

The electromagnetic directional control valves 2, 2, . . . are manifold type, two-position, five-boat, single solenoid or double solenoid type, and switch the actuators 5, 5, .

On the other hand, a detector 6.6 using a reed switch that detects whether each actuator 5, 5... is at the retraction end or the extension end is installed for each actuator 5.5. Two detectors are provided as a set, and each set of detectors 5,
The three input lines from 5 are the programmable controller 3.
is connected to the input terminal of Three input lines of a push button switch 7, which is provided outside the device and is important for operation, surrounded by two-dot chain lines are also connected to the input terminal. In addition, each electromagnetic directional control valve 2 of the programmable controller 3
The output terminals to ゜2, . . . are connected to the respective electromagnetic directional control valves 2, 2, .

FIG. 3 is a block diagram showing the configuration of the programmable controller, and the programmable controller 3 includes a control module 30 that controls the 'R magnetic force directional control valves 2, 2, etc., and an operation program for the actuators 5, 5, and so on. The loader 34 and the control module 30 are connected by serial interfaces 335 and 347 provided respectively. The control module 30 includes a control card 33 that generates control signals, input/output terminals 313 and 314 that input and output the generated control signals, multiplex transmission input/output terminals 351 and 352, and a RIJN output that outputs the presence or absence of an abnormality in the control module 30. A terminal 301, a power supply terminal 32, a power supply 36 that supplies direct current of various voltages to the programmable controller 3, a noise filter 37 that blocks noise from other devices, and an interface card 35 that is used when inputting and outputting signals through multiplex transmission. AClooV or AC input from the power supply terminal 32
200V is applied to the power supply 36 via the noise filter 37. Power source 36 energized alternating current DC +12V,
It rectifies into three DC currents: DC5V and DC24V.

±12V from power supply 36 to interface card 35
5V is applied to the control card 33, and 24V is applied to the input/output circuits 311 and 312 of the control card 33.
are given respectively.

Interface card 35 and control card 33
is connected via a bus interface 338 provided in the control card 33, and signals inputted to the input terminal 351 by multiplex transmission are processed in a predetermined manner by the interface card 35, and are converted into parallel signals and sent to the control card 33. is input. Further, the output signal generated by the control card 33 is multiplexed by the interface card 35 and outputted from the output terminal 352.

Note that the interface card 35 is not required if multiplex transmission is not required.

The control card 33 includes a serial interface 335° for inputting and outputting operation programs with the loader 34; an input circuit 311 and an output circuit 312 for inputting and outputting control signals;
A battery 334 that stores the control program input from the loader 34, a RAM 333 with backup, two P-ROMs 332 and 332 that store the program that controls the programmable controller 3, and a reset IC.
an attached CPU 331, a display 339 that displays program contents, etc., a bus interface 338 that inputs and outputs signals to and from the interface card 35, a mode changeover switch 336 that switches between various modes of the control module 30, and a check for abnormalities in the control module 30. It consists of each element of a relay circuit 337 which outputs a relay from the RUN output terminal 301, and each element is connected to each other.

The loader 34 also includes a keyboard 341 for inputting the operation program, a display 342 for displaying the input operation program, etc., a CPU 343 with a reset IC, a P-ROM 344 for storing the loader control program, and the input operation program. Alternatively, it consists of a RAM 345 that stores the operation program stored in the control card 33, and the serial interface 347 and other elements are connected together. It is also connected to the control module 30 through a pair of serial interface lines and a power supply line, and is connected to the control module 30 in response to input and output of the operation program, such as input and editing of the operation program.

Then, the mode selector switch 336 is set to the input mode, and an operation program for controlling the electromagnetic directional valves 2, 2, . After debugging the operating program, the mode selector switch 336 is set to the control mode, and the CPU 331 prepares for control. Then, the pushbutton switch 7 is turned on, and the control module 30 sends control signals for energizing and de-energizing the solenoid coils of the electromagnetic directional valves 2, 2, . . . to each detector 6.
The actuators 5, 5, . . . are outputted based on input signals from the actuators 6, 5, . In this way, by equipping the manifold valve with the control module 30 of the programmable controller 3 that controls the electromagnetic directional valves 2.2...
・Connect the wiring section 4 between the control module 30 and the control module 30 in advance.
Since the wiring can be connected to the device, the wiring can be simplified, and since the manifold valve is provided near the device, the detection h6.
6... and the control module 30 becomes shorter, the wiring becomes shorter, and the wiring space can be reduced.

Furthermore, when the overall control device and the control module 30 are connected by multiplex transmission, the operating status of each actuator 5.5, the progress status of the operating program, etc. can be monitored using a pair of signal lines based on the output from the control module 30. Furthermore, by inputting control signals from the overall control device or another program module to the control module 30 by multiplex transmission, control signals for the entire apparatus can be inputted through a pair of signal lines.

In this embodiment, a pneumatic manifold valve has been described, but it goes without saying that the present invention is not limited to this and can also be applied to hydraulic and water pressure manifold valves.

〔effect〕

As detailed above, in the manifold valve according to the present invention, the manifold valve provided near the device is provided with a programmable controller, and the manifold block is provided with a wiring section between the electromagnetic directional control valve and the programmable controller. The wiring between the sensor and the electromagnetic directional control valve can be simplified, the wiring between the detector and the programmable controller can be shortened, the wiring space can be reduced, and wiring troubles can be reduced. In addition, by equipping the programmable controller with a multiplex transmission means, signal input and output between the overall control device and each programmable controller and between each programmable controller can be performed with one pair of wiring, simplifying the wiring. It produces the same effect as possible.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view showing a manifold valve according to the invention, and FIG. 2 is a wiring diagram showing a connection state between a programmable controller, a detector, and a pushbutton switch. , FIG. 3 is a block diagram showing the configuration of the programmable controller. ■...Manifold block 2...Solenoid directional valve 3...Programmable controller 35...Interface card

Claims (2)

[Claims] 1. A manifold valve comprising a plurality of solenoid valves and a manifold block in which the solenoid valves are arranged in parallel, the control device controlling the plurality of solenoid valves by applying a predetermined signal; A manifold valve comprising a wiring section that connects a control device and solenoids of the plurality of electromagnetic valves. 2. The manifold valve according to claim 1, wherein the control device includes means for inputting and outputting signals by multiplex transmission.