Dairy Automation Using Controlled Area Network Protocol

B.Praveen Kumar, S. Rajagopal


In these days automation in industry’s increases rapidly. For safety purpose and to reduce man power requirement automation is adapted by industries. Some automation is fully automatic and some require human driver some control on automation. Automation has been achieved by various means including mechanical, hydraulic, pneumatic, electrical, electronic sensors, usually in combination. Complicated systems, such as, Milk Diaries, modern factories, airplanes and ships typically use all these combined techniques. These various sensor produced data collected by the vehicle data acquisition system by interactive communication through an intelligent information network called as Controlled area network (CAN). It is a serial bus protocol to connect control system to sensors as an alternative to conventional multi-wire looms. They currently use PLC based system in Milk industries of southern India which is costly and a lot of noise is induced in the system as the distance between the control room and the area of work is large. And for the flushing of milk containers they use manually operated system which is quite time consuming and always increases the man power. This paper analyses an Architecture of control system and deals with its application using the CAN Protocol. The benefits of this system over the system they currently employ is that noise reduction takes place as CAN is used and it is much cost effective than the PLC’s and the man power is reduced. This prototype system hardware circuits mainly consist of LPC2129 32-bit Microcontroller, MCP 2551 CAN standalone Controller, MCP 2515 Transceiver. LPC 2129 32 -bit Microcontroller which based on ARM 7 Advanced RISC Architecture CPU serially interfaced with MCP 2515 and CAN Controller Rx and Tx pin connected to Tx and Rx pin of MPC 2551 transceiver.


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