1746-RT27、1746-RT27
更新时间:2016-07-12 10:09:53 信息编号:4004513 发布者IP:117.25.231.217 浏览:79次![](http://img4.11467.com/u/22258960/183219693.jpg)
- 供应商
- 厦门卡库电气有限公司 商铺
- 认证
- 资质核验:已通过营业执照认证入驻顺企:第9年主体名称:厦门卡库电气有限公司组织机构代码:913502063031332818
- 报价
- 人民币¥99.00元每个
- 品牌
- AB
- 型号
- 1746-RT27
- 关键词
- AB,现货,图片,价格
- 所在地
- 厦门市湖里区安岭路966-968号汇金湖里大厦815号之一
- 联系电话
- 0592-5709823
- 手机号
- 18030229052
- 销售
- 严小姐 请说明来自顺企网,优惠更多
产品详细介绍
1746-RT27产品说明:
1746-RT27联系人:严小姐
手机:
电话:0592-5709823
传真:0592-5709828
使用CP341的好处在于这种通信模块与CPU同厂家,兼容性和可靠性好。缺点在于此模块需要另付软件和硬狗的费用,对小型项目来说成本不低。 方案二:利用协议转换器进行协议转换 协议转换器就是网桥,或称工业网关,用于在链路层完成LAN之间或LAN与WAN之间数据包的存储和转发及不同物理接口之间的转换。如果以太网的网络类型不同(比如以太网以及令牌环),因为彼此不识别对方的帧格式传输方法,所以单纯依靠数据链路层协议是无法实现两个网络的相互连接因此这个问题在网络层上进行解决:方法是在不同的网络类型中分别置两个网关,网络与网络之间通过网关相连,因此网关起到协议转换的作用 。 近年来协议转换器产品的品质、性能日趋成熟,品牌也多种多样,功能也十分强大,我们拿瑞典的“Anybus”为例说明如何在项目中使用。 根据本项目的要求,我们可以选择Profibus-DP Serial Gateway系列产品,通过配套的软件可以选择不同类型的串口(RS232/422/485/) Anybus Communicator提供了一种Modbus RTU主站模式。在这种模式下网关轮询一个或多个Modbus从设备并将从设备中获取的数据映射到网关内部存储区。用户可以选择使用预定义的标准Modbus命令,也可以利用网关的数据处理功能来定义通讯报文,这样网关和现场总线主站之间交换的仅仅是所选择的数据。这种功能很适合将温度巡检仪作为从站,然后利用网关依次对其采集到的数据进行读取。
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