描述
PLC共50点,其中30点输入,20点输出,为了节约成本,考虑到本系统的特性,我们用2块单轴位控模块来控制两个伺服电机,触摸屏和PLC间通过RS232串口通讯,由于工艺要求在开关窗户时需要测量扭执手和拉窗扇的力,便于分析五金件损坏的原因,我们分别在两个伺服电机的出口装了拉力和扭力传感器,传感器的信号给称重仪进行变送输出,称重仪可以设定拉力或扭力的上限值,通过开关点输出给PLC,而工艺要求在触摸屏实时显示拉力和扭力值,我们用触摸屏的RS485口和两台称重仪RS485口实时通讯,方式是根据地址和它们分时进行。另配微打随时打印拉力值和扭力值,微打和触摸屏的LPT口直接相连。
由于伺服电机的特殊性,每工作一段时间我们需要找一次各电机的零点,保证每次工作循环在同一原点,所以用了两个接近开关用作两个伺服的原点检测。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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