| Abstrakt: |
This paper describes a microcontroller based application allowing remote monitoring of a home / residential hot water heating system. The solution provides multiple data acquisition points for upstream / downstream water temperature, fresh air temperature and pressure, that can be locally displayied. Application also allows supplementary local control for protection and data exchange, using communication protocol, such as Modbus TCP/IP over Ethernet. The solution consist of hardware and software components in a true SCADA based system integration. Hardware component consist of an AVR microcontroller, as CPU main unit, integrated circuit analog temperature sensors, a MEMS pressure sensor and a block of four relays, all available for local or remote control and protection. Due to standard Modbus data communication protocol implementation, any SCADA software application package can be used. In this example project, Kepware's OPC server provides communication and Data Access and KEP's INFILINK-HMI is used to make virtual graphic interface. This example can run as a stand alone application, oras a part of a small Home Automation, or a complex Power Management System. [ABSTRACT FROM AUTHOR] |
