Design of irrigation control system for flower greenhouse based on Modbus-RTU

doi:10.14088/j.cnki.issn0439-8114.2020.12.036

Abstract

Abstract: Aiming at the demand of flowers for on-demand irrigation and growth environment and the limited number of analog input and output modules of PLCs, design an irrigation control system based on Siemens S7-200 SMART series PLC. The control system uses Modbus-RTU communication, collects environmental parameters such as inverter, soil and air temperatures and humidities, illumination and soil conductivity, and control the frequency of inverter to realize on-demand irrigation of flowers, and uploads related parameters to MCGS touch screen by industrial Ethernet for fine management.

Key words: Modbus-RTU, irrigation, PLC, temperature and humidity, illumination, conductivity

CLC Number:

F301

SHENG Qiang. Design of irrigation control system for flower greenhouse based on Modbus-RTU[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(12): 164-166.

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Design of irrigation control system for flower greenhouse based on Modbus-RTU

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