本文描述了基于西門(mén)子通訊模塊CP-340 的PLC 與MAN B&M 柴油主機(jī)通訊的船舶自動(dòng)監(jiān)控系統(tǒng)設(shè)計(jì)與應(yīng)用。通過(guò)西門(mén)子可編程控制器S7-300 及CP-340 通訊模塊，并基于RS-422 現(xiàn)場(chǎng)總線協(xié)議對(duì)船舶柴油機(jī)的滑油壓、油溫、淡水壓力、燃?xì)鉁囟鹊?a href='http://cshb120.cn/analog/' target='_blank' class='arckwlink_none'>模擬量和水位、油艙高位等開(kāi)關(guān)報(bào)警量進(jìn)行監(jiān)控，并顯示在機(jī)艙控制臺(tái)的各儀表和顯示器上，實(shí)現(xiàn)了船舶機(jī)艙的自動(dòng)監(jiān)控。經(jīng)在大中型船舶機(jī)艙中的實(shí)際應(yīng)用表明，該監(jiān)控系統(tǒng)功能完善、性能優(yōu)良、可靠性高，完全能夠滿(mǎn)足船舶航行的要求標(biāo)準(zhǔn)。
關(guān)鍵詞： 船舶柴油機(jī)；PLC（S7-300）； 通訊模塊（CP-340）；現(xiàn)場(chǎng)總線(RS-422）
Abstract: This article described design and application of the automatic monitoring system of shipping based on communication of CP-340 module and MAN B&M diesel. According to programmable controller S7-300 and CP-340 module, analog quantities such as the oil pressure to the shipping engine, temperature of oil ,freshwater pressure, temperature of gas-fired, etc and the switch amounts such as water level, etc are controlled based on RS-422 local bus, and they are displayed on monitor. It is shown that the system with high function, good property and high reliability can meet the requirement of Shipping sails.
Keywords: shipping engine；PLC；S7-300；CP-340；RS-422