描述
PLC共50點,其中30點輸入,20點輸出,為了節(jié)約成本,考慮到本系統(tǒng)的特性,我們用2塊單軸位控模塊來控制兩個伺服電機,觸摸屏和PLC間通過RS232串口通訊,由于工藝要求在開關窗戶時需要測量扭執(zhí)手和拉窗扇的力,便于分析五金件損壞的原因,我們分別在兩個伺服電機的出口裝了拉力和扭力傳感器,傳感器的信號給稱重儀進行變送輸出,稱重儀可以設定拉力或扭力的上限值,通過開關點輸出給PLC,而工藝要求在觸摸屏實時顯示拉力和扭力值,我們用觸摸屏的RS485口和兩臺稱重儀RS485口實時通訊,方式是根據(jù)地址和它們分時進行。另配微打隨時打印拉力值和扭力值,微打和觸摸屏的LPT口直接相連。
由于伺服電機的特殊性,每工作一段時間我們需要找一次各電機的零點,保證每次工作循環(huán)在同一原點,所以用了兩個接近開關用作兩個伺服的原點檢測。
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產品》
②Schneider(施耐德電氣)系列產品》
③General electric(通用電氣)系列產品》
④Westinghouse(美國西屋)系列產品》
⑤SIEMENS(西門子系列產品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)
結構的zui現(xiàn)代化的容錯控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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