CN217954962U - Electric experiment platform based on Siemens series PLC - Google Patents

Abstract

The utility model discloses an electrical experiment platform based on Siemens series PLC, which is characterized in that a PLC300 system, a PLC1500 system and an upper computer monitoring system are connected with a network switch through an industrial Ethernet PROFINET; wherein, PLC1500 system includes: the system comprises a power module A, a central processing unit A, an intranet switch, a touch screen HMI system, a distributed I/O substation system, a coupler, a temperature sensor, a valve island execution device, a control film valve and a frequency converter; the PLC300 system includes: the system comprises a power module B, a PS307 power module, a central processing unit B, a CP343-1 communication module, a digital input module, a digital output module, a distributed I/O substation system, a touch screen HMI system and a relay set. The utility model discloses can simulate on-the-spot industrial automation control hardware environment through the module combination to can realize that multi-functional, comprehensive electric experiment platform builds.

Description

Electric experiment platform based on Siemens series PLC

Technical Field

The utility model belongs to the industrial automation control field, specific electric experiment platform based on siemens series PLC that says so.

Background

The existing experimental device on the market is often a complete set of integrated experimental device developed for colleges and universities, the electric experimental platform device developed for the field of industrial automatic control is single in structure and not strong enough in function, only a single PLC control system can be simulated, the simulation of communication of an upper computer and a lower computer cannot be realized, the mutual communication function between the PLCs cannot be realized, the application of various field industrial control devices cannot be simulated, software and hardware systems cannot keep up with the trend of times development, and certain difference exists between the software and hardware systems and the application environment of the current tobacco industrial automatic control.

Disclosure of Invention

The utility model relates to a solve the weak point that above-mentioned prior art exists, provide an electric experiment platform based on siemens series PLC to can simulate on-the-spot industrial automation control hardware environment through the module combination in hope, thereby can realize multi-functional, comprehensive electric experiment platform and build.

The utility model discloses in order to reach above-mentioned invention purpose, adopt following technical scheme:

the utility model relates to an electric experiment platform based on Siemens series PLC's characteristics lie in, include: the system comprises a PLC1500 system, a PLC300 system, a network switch, an upper computer monitoring system and an installation back plate;

the PLC300 system, the PLC1500 system and the upper computer monitoring system are respectively connected with a network switch through an industrial Ethernet PROFINET;

the PLC1500 system includes: installing a guide rail A, a PVC (polyvinyl chloride) wire slot A, a power supply module A, a central processing unit A, an intranet switch, a touch screen HMI (human machine interface) system, a distributed I/O substation system ET200SP, a FIELD DEVICE COUPLER COUPLER, a temperature sensor, a valve island executive DEVICE, a control film valve and a frequency converter;

the installation guide rail A and the PVC wire casing A are respectively connected with an installation backboard through rivets, and the central processing unit A and the touch screen HMI system are respectively connected with a power supply module through cables; the central processing unit A, the touch screen HMI system, the distributed I/O substation system ET200SP and the frequency converter are respectively connected with an intranet switch through an industrial Ethernet PROFINET; the FIELD DEVICE COAPLER COUPLER is connected with the central processing unit A through an industrial FIELD bus PROFIBUS _ DP, the temperature sensor and the control membrane valve are respectively connected with the FIELD DEVICE COAPLER COUPLER through an industrial FIELD bus PROFIBUS _ PA, and the valve island executing DEVICE is connected with the central processing unit A through the industrial FIELD bus PROFIBUS _ DP;

the PLC300 system includes: installing a guide rail B, a PVC (polyvinyl chloride) wire slot B, a power supply module B, a PS307 power supply module, a central processing unit B, a CP343-1 communication module, a digital input module, a digital output module, a distributed I/O substation system ET200S, a touch screen HMI (human machine interface) system and a relay set;

the installation guide rail B and the PVC wire groove B are respectively connected with an installation back plate through rivets, the central processing unit B is connected with a PS307 power supply module through a bridge connector, the central processing unit B is connected with a CP343-1 communication module through a module connector, the CP343-1 communication module is connected with a digital quantity input module through a module connector, and the digital quantity input module is connected with a digital quantity output module through a module connector; the distributed I/O substation system ET200S and the touch screen HMI system are respectively connected with a central processing unit B through an industrial field bus PROFIBUS _ DP, and the relay group is respectively connected with a power supply module B and a digital output module through cables;

electric experiment platform's characteristics also lie in:

the distributed I/O substation system ET200SP includes: the system comprises an IM155-6PN ST interface module, a digital quantity input module DI, a digital quantity output module DO, an analog quantity input module AI, an analog quantity output module AO and a motor starter module;

the digital input module DI, the digital output module DO, the analog input module AI and the analog output module AO are respectively connected with the IM155-6PN ST interface module through the module base, and the motor starter module is connected with the IM155-6PN ST interface module through the module base.

The distributed I/O substation system ET200S comprises: the device comprises an IM151-1 interface module, a PM-E power supply module, a digital quantity input module 4DI, a digital quantity output module 4DO, an analog quantity input module 2AI, an analog quantity output module 2AO and a temperature sensor;

the PM-E power supply module, the digital input module 4DI, the digital output module 4DO, the analog input module 2AI and the analog output module 2AO are respectively connected with the IM151-1 interface module through the module base, and the temperature sensor is connected with the analog input module 2AI through a cable.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses have stronger pertinence. By adopting the mode of combining the Siemens series PLC old and new systems, a comprehensive electrical experiment platform is constructed, the comprehensive electrical experiment platform can be closer to the industrial automatic control environment of the tobacco industry, diagnosis and debugging are carried out on field industrial automatic control devices, and the problem that the existing experiment device cannot simulate the environment of an industrial field to control is solved, so that the equipment maintenance efficiency is improved, the skill level of electrical professionals is improved, and the continuity of field production is ensured.

2. The utility model discloses have stronger analog function, adopt the reasonable combination of upper and lower position system, can simulate central control system and carry out data acquisition, process control, each host computer equipment room communication function.

3. The utility model discloses stronger practicality, practicality have. The comprehensive electrical experiment platform device can be used for fault reappearance simulation and off-line diagnosis of electrical components, and the operation ability of newly-advanced maintenance personnel can be greatly improved by using the set of electrical experiment platform. The electric experiment platform adopts a real control device, has strong intuition, and needs a large amount of actual operation in the assembly and debugging of the specific circuits, thereby improving the practical ability of students and the ability of solving practical problems.

Drawings

FIG. 1 is a connection diagram of the network and hardware of the components of the present invention;

fig. 2 is a power supply diagram of the power module of the present invention.

Detailed Description

In the embodiment, an electrical experiment platform based on Siemens series PLC is a comprehensive electrical experiment platform based on Siemens s7-1500, s7-300 series PLC, PLC and computer network communication technology, wherein the comprehensive electrical experiment platform comprises a PLC electric control system, an HMI (human machine interface) man-machine interaction system, an industrial Ethernet, an upper computer monitoring system and a lower computer monitoring system. The platform includes: the system comprises a PLC1500 system, a PLC300 system, a network switch, an upper computer monitoring system and an installation back plate;

as shown in fig. 1, the PLC300 system, the PLC1500 system, and the upper computer monitoring system are respectively connected to the network switch through an industrial ethernet PROFINET;

the PLC1500 system includes: installing a guide rail A, a PVC (polyvinyl chloride) wire slot A, a power supply module A, a central processing unit A, an intranet switch, a touch screen HMI (human machine interface) system, a distributed I/O substation system ET200SP, a FIELD DEVICE COUPLER COUPLER, a temperature sensor, a valve island executive DEVICE, a control film valve and a frequency converter;

the installation guide rail A is connected with the installation backboard through rivets respectively, the installation guide rail A is the installation guide rail of the central processing unit A, and the width of the PVC wire slot is 5cm. As shown in fig. 1, the central processing unit a and the touch screen HMI system are respectively connected with a power supply module through cables, and the power supply module mainly plays a role of providing a 24V power supply; the central processing unit A, the touch screen HMI system A, the distributed I/O substation system ET200SP and the frequency converter are respectively connected with the intranet switch through an industrial Ethernet PROFINET, each section of connection network is numbered, and the connection correctness of the two ends is ensured; the FIELD DEVICE COAPLER COUPLER is connected with the central processing unit A through an industrial FIELD bus PROFIBUS _ DP, the temperature sensor and the control film valve are respectively connected with the FIELD DEVICE COAPLER COUPLER through an industrial FIELD bus PROFIBUS _ PA, and the COUPLER mainly has the functions of reducing the DP network speed and converting the DP network into the PA network so that the temperature sensor and the control film valve can be identified by the central processing unit A; the valve island execution device is connected with the central processing unit A through an industrial field bus PROFIBUS _ DP.

The PLC300 system includes: the system comprises an installation guide rail B, a PVC (polyvinyl chloride) trunking B, a power supply module B, a PS307 power supply module, a central processing unit B, a CP343-1 communication module, a digital input module, a digital output module, a distributed I/O substation system ET200S, a touch screen HMI (human machine interface) system B and a relay group.

The installation guide rail B and the PVC wire groove B are respectively connected with an installation backboard through rivets, as shown in figure 1, a central processing unit B is connected with a PS307 power supply module through a bridge connector, the central processing unit B is connected with a CP343-1 communication module through a module connector, the CP343-1 communication module is connected with a digital quantity input module through the module connector, and the digital quantity input module is connected with a digital quantity output module through the module connector; the distributed I/O substation system ET200S and the touch screen HMI system B are respectively connected with the central processing unit B through an industrial field bus PROFIBUS _ DP; as shown in fig. 1 and fig. 2, the touch screen HMI system B and the relay group are respectively connected to the power module B through cables, and the relay group is connected to the output module through a cable;

in a specific implementation, the PLC1500 system includes the following subsystems:

the distributed I/O substation system ET200SP includes: the system comprises an IM155-6PN ST interface module, a digital input module DI, a digital output module DO, an analog input module AI, an analog output module AO and a motor starter module;

the digital quantity input module DI, the digital quantity output module DO, the analog quantity input module AI and the analog quantity output module AO are respectively connected with the IM155-6PN ST interface module through the module base, the motor starter module is connected with the IM155-6PN ST interface module through the module base, for example, the 24V power supply of the sub-station system shown in the figure 2 is provided, and the 24V power supply comprising the interface module, the digital quantity input and output module, the analog quantity input and output module and the motor starter base is provided through the power module A.

In this embodiment, the PLC300 system includes the following subsystems:

the distributed I/O substation system ET200S includes: the device comprises an IM151-1 interface module, a PM-E power supply module, a digital quantity input module 4DI, a digital quantity output module 4DO, an analog quantity input module 2AI and an analog quantity output module 2AO;

the PM-E power supply module, the digital input module 4DI, the digital output module 4DO, the analog input module 2AI and the analog output module 2AO are respectively connected with the IM151-1 interface module through a module base, as shown in figure 1, wherein the power supply of the PM-E module in the substation system is provided by the PS307 power supply module through cable connection, and the power supply of the rest modules is realized by connecting the module base with the PM-E module.

The above is a specific connection form of the PLC1500 system and the PLC300 system of the experimental platform, and the specific implementation steps of the experimental platform are as follows:

step 1, designing a wall type electrical experiment platform mounting back plate, wherein the back plate type is different from an electric control cabinet, a 3 mm-thick mesh type steel plate is adopted, the diameter of a round hole is 0.5cm, the gap between holes is 1cm, and the upper part and the lower part of the back plate are respectively 10cm. Each surface is 250cm in total height and 85cm in width. The device is paved along the wall surface, the two blocks at the leftmost side are used for fixing the mechanical device and the executive device of the electrical experiment platform, and the middle block is used for placing the brief introduction of the experiment platform and the touch screen control system. The two right plates are used for respectively installing a PLC1500 system, a PLC300 system device and a power supply box.

And 2, adopting a layered design, wherein the main controller occupies 23cm in height, the air switch and power supply module occupies 20cm, the motor starter and the distributed I/O system occupy 35cm, and the terminal block occupies 20cm. And a 5 cm-wide PVC (polyvinyl chloride) wire slot is adopted for wiring, the mounting height of the device is 45cm away from the top of the whole backboard, the distance from the device to the bottom of the backboard is 55cm, and the distance between the device and the backboard is 8 cm.

And 3, designing an installation form of the touch screen HMI system. A box body with the width of 46.8cm, the height of 52cm and the thickness of 12cm is adopted, a rectangular hole is formed for placing a 15-inch touch screen, a round hole is formed in the lower portion of the box body for installing devices such as a knob switch, an emergency stop switch and a panel indicator lamp, and the aperture size is according to the size of international standard devices.

And 4, the touch screen monitoring software selects a Siemens WINCC FLEXIBLE2008 SP4 version according to field equipment, the central centralized control software selects a WINCC V7.5 SP1 version, and an integrated machine is set to serve as a central set data acquisition system.

And 5, numbering the connecting network cables according to the connection form of the electric experiment platform network communication form shown in the figure 1.

And 6, drawing an electrical schematic diagram according to the selected hardware and network communication form, numbering the wiring terminal strip and each device line, and making the field wiring correspond to the design drawing one by one.

And 7, completing installation and wiring of the upper computer system, the PLC1500 system and the PLC300 system, debugging the hardware configuration of the power supply system, and designing the following functions:

(1) The acquisition function of digital quantity and analog quantity signals is carried out;

(2) Controlling an actuator, such as a control membrane valve;

(3) Performing a network communication control function on the executive device valve island;

(4) Simulating field sequential function control;

(5) Simulating a variable frequency control function;

(6) Simulating the functions of the communication of the two main station systems and the central centralized control system;

(7) The operation monitoring function of the local HMI system is realized;

(8) A function of presetting the application of the novel device is performed;

(9) Talent training experiment teaching;

(10) Other functions that can be expanded and can freely design the simulation topic.

Claims (3)

1. An electric experiment platform based on Siemens series PLC, its characteristic includes: the system comprises a PLC1500 system, a PLC300 system, a network switch, an upper computer monitoring system and an installation back plate;

the PLC300 system, the PLC1500 system and the upper computer monitoring system are respectively connected with a network switch through an industrial Ethernet PROFINET;

the PLC1500 system includes: installing a guide rail A, a PVC (polyvinyl chloride) wire slot A, a power supply module A, a central processing unit A, an intranet switch, a touch screen HMI (human machine interface) system, a distributed I/O substation system ET200SP, a FIELD DEVICE COUPLER COUPLER, a temperature sensor, a valve island executive DEVICE, a control film valve and a frequency converter;

the installation guide rail A and the PVC wire casing A are respectively connected with an installation backboard through rivets, and the central processing unit A and the touch screen HMI system are respectively connected with a power supply module through cables; the central processing unit A, the touch screen HMI system, the distributed I/O substation system ET200SP and the frequency converter are respectively connected with an intranet switch through an industrial Ethernet PROFINET; the FIELD DEVICE COAPLER COUPLER is connected with the central processing unit A through an industrial FIELD bus PROFIBUS _ DP, the temperature sensor and the control membrane valve are respectively connected with the FIELD DEVICE COAPLER COUPLER through an industrial FIELD bus PROFIBUS _ PA, and the valve island executing DEVICE is connected with the central processing unit A through the industrial FIELD bus PROFIBUS _ DP;

the PLC300 system includes: installing a guide rail B, a PVC (polyvinyl chloride) wire slot B, a power supply module B, a PS307 power supply module, a central processing unit B, a CP343-1 communication module, a digital input module, a digital output module, a distributed I/O substation system ET200S, a touch screen HMI (human machine interface) system and a relay group;

the installation guide rail B and the PVC wire groove B are respectively connected with an installation backboard through rivets, the central processing unit B is connected with a PS307 power supply module through a bridge connector, the central processing unit B is connected with a CP343-1 communication module through a module connector, the CP343-1 communication module is connected with a digital quantity input module through a module connector, and the digital quantity input module is connected with a digital quantity output module through a module connector; the distributed I/O substation system ET200S and the touch screen HMI system are respectively connected with a central processing unit B through an industrial field bus PROFIBUS _ DP, and the relay group is respectively connected with a power supply module B and a digital output module through cables.

2. The electrical laboratory platform according to claim 1, wherein:

the distributed I/O substation system ET200SP includes: the system comprises an IM155-6PN ST interface module, a digital input module DI, a digital output module DO, an analog input module AI, an analog output module AO and a motor starter module;

the digital quantity input module DI, the digital quantity output module DO, the analog quantity input module AI and the analog quantity output module AO are respectively connected with the IM155-6PN ST interface module through the module base, and the motor starter module is connected with the IM155-6PN ST interface module through the module base.

3. The electrical laboratory platform according to claim 1, wherein:

the distributed I/O substation system ET200S comprises: the device comprises an IM151-1 interface module, a PM-E power supply module, a digital quantity input module 4DI, a digital quantity output module 4DO, an analog quantity input module 2AI, an analog quantity output module 2AO and a temperature sensor;

the PM-E power supply module, the digital input module 4DI, the digital output module 4DO, the analog input module 2AI and the analog output module 2AO are respectively connected with the IM151-1 interface module through the module base, and the temperature sensor is connected with the analog input module 2AI through a cable.

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