Design of Scalable Sensor and Actuator Interface Module for Smart Farm
AUTHORS
Seong-gyu Lee,Dept. Electronic and Electrical Engineering, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul, Korea
Bo-hyun Cho,Dongguk University, Billion21, 102-504, 747-1, Gosan-ro, Gunpo-si, Gyeonggi-do, Korea
Hee-dong Park,Dept. of Software Engineering, Joongbu University, 305, Dongheon-ro, Deogyang-gu, Goyang-si, Gyeonggi-do, Korea
ABSTRACT
In this paper, we describe the structure of sensor-actuator interface module which can be used for overcoming of limitations regardless of sensor/actuator data type in aspects of compatibility and scalability. The sensor-actuator interface module can be added or removed depending on change of circumstances. And, it can be configured dynamically by modularization of device-drivers. The communication between main controller and sensor-actuator interfaces module can be applied by using MODBUS protocol. It is designed to gather data from digital or analog sensors and to control supply power, speed and direction of the driver such as on/off and PWM control. With this, we expect that our modular architecture with high compatibility and scalability can be easily applied to various smart farm system.
KEYWORDS
Actuator, Data converter, Modbus interface, Sensor, Smart farm
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