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SMS & NET Operated Monitoring and Control system. By: Mansour Alramlawi Mahmoud Alalawi Mohammed Alfeqawi Jalal Alroumi Hamdi Joudeh Supervisor: Dr. Hatem Elaydi. Introduction. Rapid Growth in technology. Fields of Industry, Communications, Control, Internet technology ….. And more. - PowerPoint PPT Presentation
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SMS & NET OPERATED MONITORING AND CONTROL SYSTEMBY:MANSOUR ALRAMLAWIMAHMOUD ALALAWIMOHAMMED ALFEQAWIJALAL ALROUMIHAMDI JOUDEH
SUPERVISOR: DR. HATEM ELAYDI
INTRODUCTION
Rapid Growth in technology.
Fields of Industry, Communications, Control, Internet technology ….. And more.
You can be anywhere anytime. You want to know Anything happening everywhere.
ONE OF THE BENEFITS
Space Applications
Remote Monitoring& Controlling
Home Applications
……………...
Industrial, Natural Resources, Agriculture and others.
OUR SYSTEM
FUNCTIONALITY
As a monitoring & control system for simple applications.
FUNCTIONALITY As part of a large DCS.
FEATURES
Title
Stand Alone System
Blocks Approach
SMS & Net
Operated
PIC MCU Based
SYSTEM BLOCK DIAGRAM
Saves time and effort. Easier to upgrade. Allows reuse of blocks.
SMS Block Ethernet BlockCentral Block USARTParallel
USAR
T
Remote Device 1
Remote Device 2
Wireless Controller
Wireless Block
System Block Diagram
SMS SMS stands for( Short Message Service).
Features of SMS: 1-can be Sent and Read at Any Time.
2-can be Sent to an Offline Mobile Phone.
3-Supported by 100% GSM Mobile Phones .
CONNECT SMS TO MCU
F-Bus-full duplex -Runs at bit rate of 115,200 bps.
Type of connection
M-Bus-half duplex -Runs at bit rate of 9600 bps.
AT COMMAND
commands are the application layer of MBUS or FBUS commands
AT commands work on devices that have a built-in GSM modem
AT COMMAND VS. F-BUSSend message
AT commandAT+CMGS 972599378166
F-Bus
SO WHY F-BUS
F-Bus work with all kind of mobile devices especially old devices.
AT commands don’t work with devices that don’t have built in GSM modem.
MICROCONTROLLER PROGRAMReceive Message:
Transfer order to central PICCheck sender numberIf correct get order from messagestore message frameWait until message receive synchronize the USART in the phone with microcontroller
SEND MESSAGE
Send message
Transfer input to mobile through F-Bus
If input change, change message frame according to number of input
Monitoring incoming data from central PIC
NETWORK SUPPORT IN OUR SYSTEM
First time to support stand alone Ethernet. No software needed to run the system. No extra hardware to connect with PC. Flexibility. Very short start up time. Can be improved to connect to the internet.
ETHERNET MODULE ARCHITECTURE
PC NEEDS NIC AND PIC NEEDS ENC
ENC28J60 ADVANTAGES Supporting 10base_T 10 Mbps speed. Simpler interfacing with Microcontroller. connectable via SPI. Need only 5 pins to connect with PIC. Attractive price.
MICROCONTROLLER OF MODULE Pic18F452 is installed. Full support for SPI module. Sufficient ram space. support enough speed for its duty.
WEB PAGE PROGRAMMING WEB page is programmed as HTML code.
Html code is saved in MCU as characters array in PIC Memory.
The code Can be edited in the MCU to meet the coming request .
WEB PAGE INTERFACING
WEB PAGE INTERFACE
CONTROL PAGE
MONITORING PAGE
CONTROL OPERATION
Step 2 Step 3 Step 4Step 1
Sending control order
ON/OFF
Change the
state of the
output port
Modify the
HTML page
Return modified page
MONITORING OPERATION Refreshing the value of input.
Auto refresh in the web page.
Changing the unit color if input status is changed.
CONNECTING WITH INTERNETWhat we need ? Public IP address. Web-server with known IP. Reliable security.
Wireless Block
WHY WIRELESS?
1- Easy to deploy.2- Easy to distribute.3- No infrastructure required.
WIRELESS BLOCK
WIRELESS CONTROLLER
The encoder and decoder are used in interfacing the TX and RX to the MCU and in addressing different devices.
REMOTE DEVICE
ADDRESSING The Encoder allows address assignment. Each device has its own address.
Add. 00000011
Add. 00000000
Add. 00000001
INTERFERENCE Interference occurs since the channel is a half
duplex
SENDING CONTROL DATA
Control data
REQUESTING MONITORING DATA
Monitoring data
CENTRAL BLOCK
INTRODUCTION Task: - To get the other blocks working all together. - To organize the flow of data among blocks.
Features: - The heart of the system. - Acts like Master while the other PICs act like
slaves.
HARDWARE CONNECTION
WAREHOUSE APPROACH Main Concept:- Using the Central PIC as a warehouse.- Whenever a block has data to deliver or
needs data, it stores it in or takes it from the warehouse.
- Each block has its own functionality and its own manner in requesting data.
TYPES OF CONNECTION Two types of connection are used:1- Parallel Connection:To connect the Central PIC to the SMS PIC.
2- USART module:To connect the Central PIC to both, the Wireless
PIC and the Ethernet PIC.
BUSY LINE Other blocks may communicate with the
Central Block at the same time. Busy line is used to indicate that the Central
PIC is in the middle of a session with one of the PICs.
PARALLEL CONNECTION It consists of 10 lines, two way 8-pin data port
and two control lines.
USART OPERATION Wireless PIC & Ethernet PICs share the
Central PIC’s RX. Connecting them together causes
interference. AND gate is used for isolation.
USART OPERATION NUMBER The Central PIC receives data from both
Ethernet and Wireless PICs but can’t recognize from which one.
USART Operation Number is used which upon it the Central PIC determines the source of the data.
RESULTS The system was successfully designed and
implemented. The system was successfully operated using
SMS. It sent feedback SMS on the user number
indicating changes in Inputs. The system was successfully operated on a
Local Network by accessing its HTML page.
CONCLUSION Nothing such as PERFECTION. (No ideal
System). More work should be done. Block approach allows upgrading and
improvement. Many improvements crossed our mind.
FUTURE WORK Supporting dynamic IP addressing that allows
the system to adapt to different LANs without the need to pre-define the Network.
Connecting the system to the Internet and allowing wider range of monitoring and control.
Developing a mobile phone application making monitoring and control using SMS an easier task.
FUTURE WORK Implementing dynamic allocation of Remote
Devices allowing a larger number of Remote Devices to be installed easily.
Adding storage devices and creating data base for operation history.
Interfacing our system to other devices such as Programming Logic Controllers (PLCs), Soft Starters and other systems allowing more complex operations.
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