LAN Based Industrial Automation with GSM Connectivity

    A new approach for the development of remote monitoring of industrial loads by using GSM and local monitoring of industrial loads by using local Ethernet connected PC is described in the project. Here, two types of control technique for the same industrial loads is designed the operator can select the type control mode he requires, a switch is provided for purpose of selection of control mode and two different LED’s to indicate the same. Depending upon the type of mode selected. The Input commands are different for GSM and PC mode. In GSM mode predefined commands are sent from mobile phone to operate the loads. In PC mode the commands are sent by clicking on the control panel. The feedback message about the load being operated is received to the mobile phone. Feedback sensor arrangement is the important aspect of the design
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    ORIGINAL POST
    By DILIP R, BHAGIRATHI V
    components
    Hardware Components
    WIZ110SR
    X 1
    GSM MODULE
    X 1
    SENSOR
    X 1
    Microcontroller
    X 1
    details

    Screenshot 2022-08-04 093639.png

    I. INTRODUCTION
    There is a growing interest in the field of industrial automation. Efforts are exercised to build efficient low cost smart automation suited to custom and regional requirements. In this project Remote control of loads by using GSM (Globalsystem for mobile communication) and PC(Personnel computer) based control using local area network with closed loop control to update the status of the load being operated is designed, thus providing two ways of control technique for the system and allowing the operator to select the type of control he require i.e. GSM based control, PC based control are the important aspects to be considered for implementing LAN based industrial automation with GSM connectivity.[1]. In GSM (Global system for mobile communication) based control the different loads are operated through predefined messages i.e. ON / OFF commands are sent from the predefined mobile number to the GSM modem SIM number this in turn sends it to the controller . The controller based on the embedded program takes suitable action on the input message and operates the relay to turn ON /OFF the device. once the load is operated the feedback sensor will sense the changes in load and intimates to the controller the controller sends an acknowledgement message to the operator through GSM modem to the predefined mobile number about the present status of the device being operated.[2]

    II. OBJECTIVE
    The objective of this project is to design a LAN based industrial automation with GSM connectivity. Here, controlling the different loads of the industry with two ways of control technique is proposed i.e. GSM based control, and LAN connected PC based control. Whenever the operator operates the devices through any selected type of control he will get a feedback message to predefined mobile number about the changed status of the load.
    III. PROBLEM WITH EXISTING SYSTEM

    In previous systems, GSM based control and PC based control existed separately and there was no link existing between them. There was no feedback sensor system available in both
    systems. In PC based control there existed a limited interface with low speed, limited range or lack of standard application protocols.

    V PRINCIPAL OF SERIAL COMMUNICATION
    WIZ110SR is a gateway module that converts RS-232 protocol into TCP/IP protocol. It enables remote gauging, managing and control of a device through the network based on Ethernet and TCP/IP by connecting to the existing equipment with RS-232 serial interface. In other words, WIZ110SR is a protocol converter that transmits the data sent by serial equipment as TCP/IP data type and converts back the TCP/IP data received through the network into serial data to transmit back to the equipment.[3][4]

    VI. ARCHITECTURE OF A LAN BASED INDUSTRIAL
    AUTOMATION WITH GSM CONNECTIVITY
    The architecture of LAN based industrial automation with GSM connectivity after incorporation of features as mentioned above is shown in Figure 2. The microcontroller being the building block becomes the core of the platform and the

    VII WORKING PRINCIPLE
    Microcontroller is the heart of our system to which GSM Modem, Serial to Ethernet converter, switch to select the type of control mode i.e. PC or GSM mode, different sensors are interfaced. The detecting sensor system includes thermistor for fire detection, PIR sensor for intruder detection, and feedback sensor system includes LDR to detect the light intensity of a
    bulb and observe the changes and intimate user through a message about the status of load, IR proximity sensor used to detect the rotation of motor and intimate the user about the
    status of motor being operated. Based on the control mode selected the control technique will differ. In GSM mode: The GSM Modem is used to receive commands from the remote operator to operate the loads connected and sends feedback message to the operator about the status of the load being operated. And also the GSM will send message to the remote operator about fire detection and intrusion detection irrespective of the control mode selected.

    VIII DESIGN AND IMPLEMENTATION
    Circuit diagram shows hardware connection of LAN based industrial automaton with GSM connectivity. Four sensors are used in this project (incuding both feedback sensors and detecting system sensors). Detecting system has two sensors thermister as a fire detector , PIR as a intruder detector which are connected to Port0 of the LPC2148 microntroller and two feedback sensors LDR to detect the light intesity of a bulb, IR proximity sensor to detect the rotation of motor are connected to Port 1. The other connection for Port0 are a LED to indicate the power supply in the controller, switch for selection of control mode , two different coloured LED’s to indicate the control mode selected, relay driver circuit. The WIZ110SR Serial to ethernet converter and GSM modem is connected UART0 and UART1 of the LPC2148 controller .The system requires different voltage level hence a suitable power circuit is designed using rectifier circuit, filter circuit and regulator . Microcontroller is programmed to operate in both control modes using embedded ‘C’ and the controller is having two UART’s to support for Ethernet and GSM communication

    IX FLOWCHART OF THE SYSTEM
    When the power supply is turned ‘ON ’for the microcontroller, GSM Modem, WIZ110SR, the system starts working; initially the system will be in PC Mode this is indicated by green LED, now run the VB program in the PC a window appears asking for the password enter the correct password, then the control panel appears showing the details of loads with ON and OFF buttons.

    X RESULTS AND DISCUSSION
    This project is basically for industrial load controlling using two different control techniques, i.e. GSM mode for controlling the loads from remote location and local area networked PC for controlling the loads within the specified location of the industry and feedback message about the status of the load being operated is sent to the predefined mobile number and also system designed to alarm the operator about the fire detection and intrusion detection.

    XI CONCLUSION
    A framework has been presented that incorporates the uses of sensors in developing a low-cost, high-accuracy Industrial automation system, using GSM and Ethernet connected PC. The proposed system provides two different types of control modes to the user with a feedback message about the status of the load being operated.

    Screenshot 2022-08-04 093639.png

    I. INTRODUCTION
    There is a growing interest in the field of industrial automation. Efforts are exercised to build efficient low cost smart automation suited to custom and regional requirements. In this project Remote control of loads by using GSM (Globalsystem for mobile communication) and PC(Personnel computer) based control using local area network with closed loop control to update the status of the load being operated is designed, thus providing two ways of control technique for the system and allowing the operator to select the type of control he require i.e. GSM based control, PC based control are the important aspects to be considered for implementing LAN based industrial automation with GSM connectivity.[1]. In GSM (Global system for mobile communication) based control the different loads are operated through predefined messages i.e. ON / OFF commands are sent from the predefined mobile number to the GSM modem SIM number this in turn sends it to the controller . The controller based on the embedded program takes suitable action on the input message and operates the relay to turn ON /OFF the device. once the load is operated the feedback sensor will sense the changes in load and intimates to the controller the controller sends an acknowledgement message to the operator through GSM modem to the predefined mobile number about the present status of the device being operated.[2]

    II. OBJECTIVE
    The objective of this project is to design a LAN based industrial automation with GSM connectivity. Here, controlling the different loads of the industry with two ways of control technique is proposed i.e. GSM based control, and LAN connected PC based control. Whenever the operator operates the devices through any selected type of control he will get a feedback message to predefined mobile number about the changed status of the load.
    III. PROBLEM WITH EXISTING SYSTEM

    In previous systems, GSM based control and PC based control existed separately and there was no link existing between them. There was no feedback sensor system available in both
    systems. In PC based control there existed a limited interface with low speed, limited range or lack of standard application protocols.

    V PRINCIPAL OF SERIAL COMMUNICATION
    WIZ110SR is a gateway module that converts RS-232 protocol into TCP/IP protocol. It enables remote gauging, managing and control of a device through the network based on Ethernet and TCP/IP by connecting to the existing equipment with RS-232 serial interface. In other words, WIZ110SR is a protocol converter that transmits the data sent by serial equipment as TCP/IP data type and converts back the TCP/IP data received through the network into serial data to transmit back to the equipment.[3][4]

    VI. ARCHITECTURE OF A LAN BASED INDUSTRIAL
    AUTOMATION WITH GSM CONNECTIVITY
    The architecture of LAN based industrial automation with GSM connectivity after incorporation of features as mentioned above is shown in Figure 2. The microcontroller being the building block becomes the core of the platform and the

    VII WORKING PRINCIPLE
    Microcontroller is the heart of our system to which GSM Modem, Serial to Ethernet converter, switch to select the type of control mode i.e. PC or GSM mode, different sensors are interfaced. The detecting sensor system includes thermistor for fire detection, PIR sensor for intruder detection, and feedback sensor system includes LDR to detect the light intensity of a
    bulb and observe the changes and intimate user through a message about the status of load, IR proximity sensor used to detect the rotation of motor and intimate the user about the
    status of motor being operated. Based on the control mode selected the control technique will differ. In GSM mode: The GSM Modem is used to receive commands from the remote operator to operate the loads connected and sends feedback message to the operator about the status of the load being operated. And also the GSM will send message to the remote operator about fire detection and intrusion detection irrespective of the control mode selected.

    VIII DESIGN AND IMPLEMENTATION
    Circuit diagram shows hardware connection of LAN based industrial automaton with GSM connectivity. Four sensors are used in this project (incuding both feedback sensors and detecting system sensors). Detecting system has two sensors thermister as a fire detector , PIR as a intruder detector which are connected to Port0 of the LPC2148 microntroller and two feedback sensors LDR to detect the light intesity of a bulb, IR proximity sensor to detect the rotation of motor are connected to Port 1. The other connection for Port0 are a LED to indicate the power supply in the controller, switch for selection of control mode , two different coloured LED’s to indicate the control mode selected, relay driver circuit. The WIZ110SR Serial to ethernet converter and GSM modem is connected UART0 and UART1 of the LPC2148 controller .The system requires different voltage level hence a suitable power circuit is designed using rectifier circuit, filter circuit and regulator . Microcontroller is programmed to operate in both control modes using embedded ‘C’ and the controller is having two UART’s to support for Ethernet and GSM communication

    IX FLOWCHART OF THE SYSTEM
    When the power supply is turned ‘ON ’for the microcontroller, GSM Modem, WIZ110SR, the system starts working; initially the system will be in PC Mode this is indicated by green LED, now run the VB program in the PC a window appears asking for the password enter the correct password, then the control panel appears showing the details of loads with ON and OFF buttons.

    X RESULTS AND DISCUSSION
    This project is basically for industrial load controlling using two different control techniques, i.e. GSM mode for controlling the loads from remote location and local area networked PC for controlling the loads within the specified location of the industry and feedback message about the status of the load being operated is sent to the predefined mobile number and also system designed to alarm the operator about the fire detection and intrusion detection.

    XI CONCLUSION
    A framework has been presented that incorporates the uses of sensors in developing a low-cost, high-accuracy Industrial automation system, using GSM and Ethernet connected PC. The proposed system provides two different types of control modes to the user with a feedback message about the status of the load being operated.

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