Suneetha.Suddapalli, A.Raghuram
In modern industrial and agricultural production, the sensor values change reflects the operating status of equipments and change of many physical characteristics, so the analog parameters like temperature is an important parameter, which needs to be monitored, especially in the severe environment. So it is the most effective and most economical means of equipment safety monitoring. A sensor values remote monitoring embedded system platform is designed in this project.LPC2148 micro controller is used as CPU of the system. The system realizes real-time remote data collection monitoring and storage through protocol data conversion of the CAN bus and USB bus of the distributed data acquisition node. The main aim of this project is to provide more safety to industry machines by avoiding operating from abnormal conditions of appliances like temperature, humidity, LDR. The controller Area Network (CAN) is a serial, asynchronous, Multi-master communication protocol for connecting electronic modules in Automotive and industrial applications.CAN protocol has many features like low cost, easy to implement, peer to peer network with powerful error checking and higher transmission rates 1Mbits.The CAN Network is a Peer to Peer Network consisting of different nodes. Different parameters can be monitored by these Nodes and can be updated to the Central Control Unit. Mostly used in Industry and Auto Mobiles in a Hazardous Environment and is reliable. Using CAN protocol we can send data from one node to other node. Here we are having two nodes, each node contains ARM7 based LPC2148 micro controller, MCP2515 (CAN CONTROLLER), MCP2551 (CAN TRANSRECEVER). In first node we are interfacing sensors, in second node contains PC. Node 1 will measure the sensor values and send these values to node 2 through CAN bus. This node 2 will display according to the data it received. The Can protocol is implemented using SPI lines of ARM7.
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