描述
FX2n-4AD,FX2n-4AD-PT 等模块在第一次使用时,要根据被测工程量范围、滤波常数等初始设置;pH ,DO 等电极在正式使用前要标定,f(x)=ax+b, 用标准缓冲液定出a、b 使用双字节浮点运算指令FLT, BCD, DEADD, DESUB, DEMUL, DED等。
3)数据的存储
PLC检测到的数据在送往操作站存储同时,也在PLC中实时存储,以提高系统的冗余度。
一般认为PLC不容易数据采集和存储[4],FX2n 为我们提供了8K字存储区,可以满足每批发酵的数据量。我们使用了两种方法:1.定时采集 每隔一段时间采样一次,存储后,指针加1, 存储格式固定, 存储区的长度与已存数长度相配,不存时间。2.变化采集 当被采集的参数的变化值大于预定的记录精度,把此时的数据和时间存入存储区。使用变址寄存器V,Z,改变软元件地址号,对文件寄存器地址号变址修改。
产品广泛应用于:电力、石油、矿井提升、港口、供热、燃气、供水、污水处理、冶金、造纸、纺织、化工、水利等现代化工业领域!
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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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