1769-ASCII
1769-ASCII
1769-ASCII
流程图语言,它也是图形语言,不过所用的符号不与电气元件符号相似,而与计算机用的流程图符号相似,便干计算机工作人员了解与熟悉。流程图语言与符号语言也有一一对应关系,只是它对应的符号语言与梯形图的对应不一样。熟悉计算机而又未从事过一般电气工作的人员,乐于用这种语言对PLC编程。日本OMRON公司开发的F系列机就是使用这种语言。
梯形图与流程图混合语言。这种语言,梯形图与流程图两者兼用,可使PLC程序结构化。它用流程图把PLC程序划分成若干结构块,并规范块间的逻辑联系。用梯形图再确定块中的种种量间的逻辑关系。这种混合语言有不同的实现方法,而且多用于大型的PLC的编程
高级语言,PLC编程也可以使用高级语言,如BASIC、C语言等。可以在DOS,也可在WINDOWS平台上运行。关键在于要把用高级语言编写的程序转换成助记符语言,或直接转换成PLC所能识别的机器语言。从根本上讲,只要能实现这个转换的,什么高级语言都可以。而编写这个转换的软件工作量很大,当然应由有关厂家开发与提供。当前不少PLC厂家已有提供。如GE-FANAC的PLC就提供有可用C语言编程的软件。
◆ 企业名称:厦门泰尼电气有限公司
◆ 主营业务:DCS,PLC
◆ 经营模式: 贸易
◆ 贸易地区:
◆ 联系人: 小黄《女士》
◆ 电话:
◆手机:
◆ QQ:2917675397
◆ 传真: (备注“01006”收)
◆ E-mail: 2917675397@qq.com
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