Abstract
Wireless communication is emerging technology from the office world to the industrial world. It is important that this technique are applied by the users in industrial environments because the industrial communication underlies stricter conditions than office communication. In this paper, It has been designed and implemented wireless adapter interface module with gateway connected to 4-20 mA devices and the Differential Pressure (DP) transmitter is considered. The implemented system consists from wireless adapter connected to the DP transmitter and the gateway device that used as a link between the field devices and the host. The standard method deals with a two-way or bidirectional communication protocol, which eliminate the drawbacks of 4 to 20 mA standard signal in the industrial measurements that can be only transmitted or measured one parameter value. With developed method, an additional information can be transmitted using wireless signal based on frequency shift keying modulation. In addition, the system design has been implemented and proposed various configurations for field device connections. The experiment results are presenting to verify the success of the implemented system.
Highlights
Over the last decade, wireless technology has been received extensive studies and it has considered as a paradigm shifter in the process industry (Vieira et al, 2003)
HART technology is based on the IEEE standard 802.15.4 which uses as the base for reliable wireless communication and it is built upon the known and verified Highway Addressable Remote Transducer (HART) protocol
In 2010, Wireless HART was accepted by the International Electro-technical commission (IEC) universal
Summary
Wireless technology has been received extensive studies and it has considered as a paradigm shifter in the process industry (Vieira et al, 2003). It uses wireless mesh networking between field devices, in addition to other innovations, to provide secure, consistent digital communications that can meet stringent required by industrial applications industry (Song et al, 2008). The field communication standard for process equipment has been a milliamp current analog signal.
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