KR102541520B1 - Printed Circuit Board for a module type industrial machine controller - Google Patents

Abstract

The present invention relates to a printed circuit board of a modular industrial equipment controller, which can provide a connection function with a main controller (MC: Main Controller) of various communication standards using a single network adapter (NA: Network Adapter), while providing a network This is so that the size of the adapter can be miniaturized to the size of the IO module.

Description

Printed Circuit Board for a module type industrial machine controller}

The present invention relates to a modular industrial equipment controller, and more particularly to a printed circuit board of a modular industrial equipment controller.

A field bus, among them, an IO module for input/output is connected to a main controller such as a PLC (Programmable Logic Controller) through a network, and is a key part of an industrial control system to which various sensors and actuators are connected.

In general, an IO module includes a communication module, a power module, an input/output module, etc., is provided in a modular structure for expandability, and is detachably assembled on a DIN rail in a sliding structure.

In Korean Patent Registration No. 10-0418637 (2004.02.14), which was previously filed and registered by the applicant of the present invention, a plurality of IO modules are installed on the upper surface of the rail, and a terminal block having a plurality of input/output terminals on top of each IO module A detachable industrial equipment controller is proposed.

In addition, in Korean Patent Registration No. 10-1821754 (2018.01.18), which was previously applied for and registered by the applicant of the present invention, a network adapter, a plurality of IO modules, and at least one IO expansion module are mounted so as to be slidable on a rail A modular industrial equipment controller is proposed.

Recently, IO modules are assembled on a PCB without adopting a detachable Din rail structure, and expandability is limited, but IO modules specialized for special uses are being developed. They are custom designed for special applications such as ships and rail vehicles.

However, in the case of conventional modular industrial equipment controllers, since the network adapter (NA: Network Adapter) was designed to support only a specific communication method, it could not be connected to the main controller (MC: Main Controller) of various communication methods, so it was versatile. there was a limit to

In addition, in the case of a conventional modular industrial equipment controller, a network adapter (NA: Since it was implemented in the Network Adaptor) itself, it was difficult to manufacture it in the same size as the IO module.

Therefore, the present inventor can provide a connection function with a main controller (MC) of various communication standards using one network adapter (NA: Network Adapter), while miniaturizing the size of the network adapter to the size of an IO module. I did research on technology.

Republic of Korea Patent No. 10-0418637 (2004.02.14) Republic of Korea Patent No. 10-1821754 (2018.01.18)

The present invention is a module capable of miniaturizing the size of a network adapter to the size of an IO module while providing a connection function with a main controller (MC) of various communication standards using a single network adapter (NA: Network Adapter). Its purpose is to provide a printed circuit board for a type industrial equipment controller.

According to one aspect of the present invention for achieving the above object, the main controller interface to which the printed circuit board of the modular industrial equipment controller is connected to the main controller (MC: Main Controller); A network adapter interface connected to a network adapter (NA); Including an IO module interface connected to a plurality of IO modules (Input/Output Modules), a plurality of different communication standards to provide a connection function with a main controller of various communication standards using one network adapter for the main controller interface of communication interfaces.

According to an additional aspect of the present invention, the main controller interface includes an Ethernet communication interface for connecting a main controller based on Ethernet communication; It may include a DeviceNet communication interface for connecting a main controller based on DeviceNet communication.

According to an additional aspect of the present invention, the main controller interface may further include an EtherCAT communication interface for connecting a main controller based on EtherCAT communication.

According to an additional aspect of the present invention, the main controller interface may further include a serial communication interface for connecting a main controller based on serial communication.

According to an additional aspect of the present invention, the IO module interface includes a digital input interface for connecting a digital input IO module; a digital output interface for connecting a digital output IO module; an analog input interface for connecting an analog input IO module; an analog output interface for connecting an analog output IO module; a digital input/output interface for connecting digital input/output IO modules; An analog input/output interface for connecting an analog input/output IO module may be included.

According to an additional aspect of the present invention, the printed circuit board of the modular industrial equipment controller may further include a power interface for power connection.

According to an additional aspect of the present invention, the printed circuit board of the modular industrial equipment controller may further include a power on/off switch for power on/off.

According to an additional aspect of the present invention, the printed circuit board of the modular industrial equipment controller may further include a temperature sensor interface for connecting a temperature sensor.

According to an additional aspect of the present invention, the temperature sensor interface includes a TC interface for connecting a thermocouple (TC); An RTD interface for connecting a RTD (Resister Temperature Detector) may be included.

According to an additional aspect of the present invention, the IO module interface may be implemented to be connected to a mode switch that selects and switches a specific expansion IO module to be connected among a plurality of expansion IO modules.

Since the present invention can provide a connection function with a main controller (MC: Main Controller) of various communication standards using one network adapter (NA: Network Adapter), it has excellent versatility and can reduce the size of the network adapter to the size of an IO module. Therefore, there is an advantageous effect in miniaturizing the device.

1 is a schematic diagram of a modular industrial equipment controller.
2 is a diagram showing the configuration of an embodiment of a printed circuit board of a modular industrial equipment controller according to the present invention.

Hereinafter, the present invention will be described in detail so that those skilled in the art can easily understand and reproduce the present invention through preferred embodiments described with reference to the accompanying drawings. Although specific embodiments are illustrated in the drawings and related details are described, they are not intended to limit the various embodiments of the present invention to any particular form.

In describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the embodiments of the present invention, the detailed description will be omitted.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be.

On the other hand, when a component is referred to as “directly connected” or “directly connected” to another component, it should be understood that no other component exists in the middle.

1 is a schematic diagram of a modular industrial equipment controller. As shown in FIG. 1, the modular industrial equipment controller 100 includes a network adapter (NA) 110, a plurality of IO modules 120, and a printed circuit board (PCB) (130).

The network adapter 110 is connected to a main controller (MC: Main Controller) 200 such as a programmable logic controller (PLC) for inputting control commands. For example, the main controller 200 may be a PC, and the network adapter 110 may be connected to the PC and the wired Internet through a hub or the like.

The plurality of IO modules 120 are wired connected to the sensor 300 or the actuator 400 to control the input/output of the sensor or actuator according to a control command transmitted through the network adapter 110 . Meanwhile, the IO module 120 may be wirelessly connected to the remote wireless IO module 500 to wirelessly transmit control commands transmitted through the network adapter 110 to the wireless IO module 500 .

The printed circuit board 130 is a hardware interface to which the network adapter 110, the plurality of IO modules 120, and the main controller 200 are physically and electrically connected, and is implemented to have versatility. One network adapter 110 can be connected to the main controller 200 of various communication standards.

2 is a diagram showing the configuration of an embodiment of a printed circuit board of a modular industrial equipment controller according to the present invention. As shown in FIG. 2, the printed circuit board 130 of the modular industrial equipment controller 100 according to this embodiment includes a main controller interface 131, a network adapter interface 132, and an IO module interface 133 ).

The main controller interface 131 is connected to the main controller (MC: Main Controller) 200 . At this time, the main controller interface 131 may include a plurality of communication interfaces of different communication standards to provide a connection function with the main controller 200 of various communication standards using one network adapter 110 .

For example, the main controller interface 131 may include an Ethernet communication interface 131a and a DeviceNet communication interface 131b as multiple communication interfaces of different communication standards.

The Ethernet communication interface 131a is a hardware interface for physically and electrically connecting a main controller based on Ethernet communication.

The DeviceNet communication interface 131b is a hardware interface for physically and electrically connecting the main controller based on DeviceNet communication.

Meanwhile, the main controller interface 131 may further include an EtherCAT communication interface 131c as a plurality of communication interfaces of different communication standards. The EtherCAT communication interface 131c is a hardware interface for physically and electrically connecting a main controller based on EtherCAT communication.

Meanwhile, the main controller interface 131 may further include a serial communication interface 131d as a plurality of communication interfaces of different communication standards. The serial communication interface 131d is a hardware interface for physically and electrically connecting a main controller based on serial communication.

For example, the serial communication interface 131d may be an RS-232 serial communication interface, an RS-485 serial communication interface, or a USB serial bus communication interface, but is not limited thereto.

The network adapter interface 132 is connected to a network adapter (NA) 110 . At this time, the network adapter interface 132 may be a slot connection structure to which the network adapter 110 is attached or detached physically, and a bus connection electrically connected to the network adapter 110 through a serial bus. may be a rescue.

The IO module interface 133 is connected to a plurality of IO modules (Input/Output Modules). At this time, the IO module interface 133 may be a slot connection structure in which the IO modules 120 are attached or detached physically, and electrically a bus connection in which the IO modules 120 are connected by a serial bus may be a rescue.

For example, the IO module interface 133 includes a digital input interface 133a, a digital output interface 133b, an analog input interface 133c, an analog output interface 133d, a digital input/output interface 133e, and an analog An input/output interface 133f may be included.

The digital input interface 133a is an interface for physically and electrically connecting the digital input IO module. The digital output interface 133b is an interface for physically and electrically connecting the digital output IO module.

The analog input interface 133c is an interface for physically and electrically connecting analog input IO modules. The analog output interface 133d is an interface for physically and electrically connecting analog output IO modules.

The digital input/output interface 133e is an interface for physically and electrically connecting the digital input/output IO modules. The analog input/output interface 133f is an interface for physically and electrically connecting analog input/output IO modules.

With this implementation, the present invention is excellent in versatility because the network adapter can provide a connection function to main controllers of various communication methods, rather than providing a connection function only to the main controller of a specific communication method.

In addition, the present invention provides a network adapter by embedding only a circuit chip that processes control commands transmitted from the main controller into the network adapter and implementing connectors (hardware interfaces) that occupy a physically large volume on the printed circuit board of the modular industrial equipment controller. It can be manufactured in the same size as the IO module.

Accordingly, the present invention is excellent in versatility because it can provide a connection function with a main controller (MC) of various communication standards using one network adapter (NA: Network Adapter), and the size of the network adapter can be reduced to the size of an IO module Since it can be miniaturized, it is also advantageous for device miniaturization.

Meanwhile, according to an additional aspect of the invention, the printed circuit board 130 of the modular industrial equipment controller 100 may further include a power interface 134. The power interface 134 is an interface for physically and electrically connecting AC or DC power.

By implementing in this way, the present invention can further miniaturize the network adapter by implementing the power interface, which takes up a physically large volume, on the printed circuit board of the modular industrial equipment controller without implementing it on the network adapter.

Meanwhile, according to an additional aspect of the invention, the printed circuit board 130 of the modular industrial equipment controller 100 may further include a power on/off switch 135. The power on/off switch 135 is a hardware switch such as a button for power on/off.

By implementing in this way, the present invention can further miniaturize the network adapter by implementing the power on/off switch, which takes up a physically large volume, on the printed circuit board of the modular industrial equipment controller without implementing it on the network adapter.

Meanwhile, according to an additional aspect of the invention, the printed circuit board 130 of the modular industrial equipment controller 100 may further include a temperature sensor interface 136. The temperature sensor interface 136 is an interface for physically and electrically connecting the temperature sensor.

For example, the temperature sensor interface 136 includes a TC interface 136a for connecting a thermocouple (TC) (not shown) and an RTD interface for connecting a resistor temperature detector (RTD) (not shown) (136b).

By implementing in this way, the present invention can further miniaturize the network adapter by implementing the temperature sensor interface, which takes up a physically large volume, on the printed circuit board of the modular industrial equipment controller without implementing it on the network adapter.

On the other hand, according to an additional aspect of the invention, the IO module interface 133 selects and switches a specific expansion IO module among a plurality of expansion IO modules (not shown) to be connected (Mode Switch) (drawing not shown) may be implemented to be connected. For example, the expansion IO module may be an IO module that performs special additional functions such as a high-speed counter, pulse output device, UART, and analog input device.

Connect multiple expansion IO modules to the mode switch while the mode switch is connected to the specific IO module interface 133, and select one specific expansion IO module that performs the desired function through the mode switch You can perform the functions you want to use through the expansion IO module.

By implementing in this way, the present invention is a limited IO module implemented on a printed circuit board of a modular industrial device controller without adding an extension IO module interface for connecting an extension IO module that performs a special additional function to a printed circuit board of a modular industrial device controller It has excellent versatility as it can perform the functions of various expansion IO modules that perform special additional functions by simply connecting a mode switch to the interface.

As described above, since the present invention can provide a connection function with a main controller (MC) of various communication standards using one network adapter (NA: Network Adapter), it is excellent in versatility and reduces the size of the network adapter. Since it can be downsized to the size of an IO module, it is also advantageous for device miniaturization.

Various embodiments disclosed in this specification and drawings are only presented as specific examples to aid understanding, and are not intended to limit the scope of various embodiments of the present invention.

Therefore, the scope of various embodiments of the present invention includes all changes or modified forms derived based on the technical spirit of various embodiments of the present invention other than the embodiments described herein are included in the scope of various embodiments of the present invention. should be interpreted as being

INDUSTRIAL APPLICABILITY The present invention can be used industrially in the technical fields related to modular industrial equipment controllers and their application technologies.

100: modular industrial equipment controller
110: network adapter
120: IO module
130: printed circuit board
131: main controller interface
131a: Ethernet communication interface
131b: Device Net communication interface
131c: EtherCAT communication interface
131d: serial communication interface
132: network adapter interface
133: IO module interface
133a: digital input interface
133b: digital output interface
133c: analog input interface
133d: analog output interface
133e: digital input/output interface
133f: analog input/output interface
134: power interface
135: power on/off switch
136: temperature sensor interface
136a: TC interface
136b: RTD interface
200: main controller
300: sensor
400: actuator
500: wireless IO module

Claims (10)

a main controller interface connected to a main controller (MC: Main Controller);
A network adapter interface connected to a network adapter (NA);
An IO module interface connected to a plurality of IO modules (Input/Output Modules);
include,
The main controller interface is:
It includes a plurality of communication interfaces of different communication standards to provide a connection function with a main controller of various communication standards using one network adapter,
IO module interface:
a digital input interface for connecting a digital input IO module;
a digital output interface for connecting a digital output IO module;
an analog input interface for connecting an analog input IO module;
an analog output interface for connecting an analog output IO module;
a digital input/output interface for connecting digital input/output IO modules;
An analog input/output interface for connecting an analog input/output IO module;
A printed circuit board of a modular industrial equipment controller comprising: According to claim 1,
The main controller interface is:
an Ethernet communication interface for connecting a main controller based on Ethernet communication;
DeviceNet communication interface for connecting the main controller based on DeviceNet communication;
A printed circuit board of a modular industrial equipment controller comprising: According to claim 2,
The main controller interface is:
EtherCAT communication interface for connecting the main controller based on EtherCAT communication;
A printed circuit board of a modular industrial equipment controller further comprising. According to claim 3,
The main controller interface is:
A serial communication interface for connecting a main controller based on serial communication;
A printed circuit board of a modular industrial equipment controller further comprising. delete According to claim 1,
The printed circuit board of the modular industrial equipment controller is:
a power interface for power connection;
A printed circuit board of a modular industrial equipment controller further comprising. According to claim 6,
The printed circuit board of the modular industrial equipment controller is:
Power on/off switch for power on/off;
A printed circuit board of a modular industrial equipment controller further comprising. According to claim 1,
The printed circuit board of the modular industrial equipment controller is:
a temperature sensor interface for connecting a temperature sensor;
A printed circuit board of a modular industrial equipment controller further comprising. According to claim 8,
The temperature sensor interface is:
A TC interface for connecting a thermocouple (TC: Thermocouple);
RTD interface for connecting RTD (Resister Temperature Detector);
A printed circuit board of a modular industrial equipment controller comprising: The method of any one of claims 1 to 4 or any one of claims 6 to 9,
IO module interface:
A printed circuit board of a modular industrial equipment controller that is connected to a mode switch that selects and converts a specific expansion IO module to be connected among a plurality of expansion IO modules.

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