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The application of B & R remote diagnosis in the packaging field
Time: 2013-10-09 Source: Cutting Edge of Packaging Read: 11649 times
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Wenzhou Junchuan Machinery Equipment Co., Ltd.
With the rapid development of industrial control technology and Internet technology, it has become an inevitable trend to integrate Internet technology into the control system of equipment. For most equipment manufacturers, whoever can better use and apply network resources can occupy more and better market opportunities in the fiercely competitive market. 贝加莱 控制系统的基础上,融入了 3G 通信技术,用来实现 贝加莱 的远程诊断功能,以便能为客户提供更快捷的技术服务。 Based on the above background, Jinming Precision Machinery integrates 3G communication technology on the basis of the original B & R control system to implement B & R 's remote diagnosis function in order to provide customers with faster technical services.
基于 3G 通信的贝加莱远程诊断控制系统的硬件构成 I. Hardware composition of B & R remote diagnosis control system based on 3G communication
    PLC 3G 路由器组成 , 贝加莱 PLC 主要由 PP481 IF722 IF782 EX484 DM465 等构成, 3G 路由器选用 TP-LINK 产品,系统结构图如图( 1 The main hardware of the system is composed of B & R PLC and 3G router . B & R PLC is mainly composed of PP481 , IF722 , IF782 , EX484 , DM465, etc. The 3G router uses TP-LINK products. The system structure diagram is shown in Figure ( 1 ) .

1 Figure ( 1 )
System and software configuration
、贝加莱 控制系统的配置 1. Configuration of B & R control system
贝加莱 控制系统中,首先我们要对 贝加莱 PLC 的硬件进行组态。 In the B & R control system, we first need to configure the hardware of the B & R PLC . 贝加莱 控制系统的 Ethernet 接口的属性,如图( 2 ),将 3G 路由器的公网地址、子网掩码、网关等依次写入到 Ethernet Properties 中,然后打开 DNS 服务,在程序中启用 DNS 服务功能,将 3G 路由器的 DNS 服务器添加进去,最后在 INA 服务中写入路由器的服务端口号。 After the configuration is complete, we need to do the following configuration, open the properties of the Ethernet interface of the B & R control system , as shown in Figure ( 2 ), and write the public network address, subnet mask, and gateway of the 3G router to Ethernet Properties in order. , Then open the DNS service, enable the DNS service function in the program , add the DNS server of the 3G router , and finally write the service port number of the router in the INA service. 控制系统的以太网口设定。 With the above settings, we have completed the Ethernet port setting of the B & R control system.

2 Figure ( 2 )
、贝加莱 控制系统的软件编写 2. Software writing of B & R control system
1000ms 分时任务中增加一个程序块,专门用于远程程序监控和信息传递,程序采用 C 语言编写。 The B & R control system is a time-sharing and multi-tasking system. Considering the utilization rate of remote monitoring, based on the above characteristics, we add a program block to the 1000ms time-sharing task, which is specifically used for remote program monitoring and information transmission. The program uses C Language writing.
TP-LINK 路由器配置 3 , TP-LINK router configuration
    通过 虚拟服务器来定义广域网服务端口和局域网网络服务器之间的映射关系,所有对该广域网服务端口的访问将会被重新定位给通过IP地址指定的局域网网络服务器,如图(3)。 The router configuration is mainly to add a virtual server to the forwarding rules of the router. The virtual server is used to define the mapping relationship between the WAN service port and the LAN network server. All access to the WAN service port will be relocated to the IP address through The designated LAN network server, as shown in Figure (3). 由于通过 3G 模式接入 互联网后,每次得到的 IP 地址为动态 IP 地址,这样就给远程监控的时效性带来一定的麻烦,特别是一些客户的技术力量比较薄弱,无法获取相应的公网地址,因而需要使用 DDNS (动态域名服务)来对路由器的 IP 地址进行解析,通过 DDNS ,我们就可以解决由于动态 IP 地址所带来的 IP 地址无法确定的问题。 In this way, the remote monitoring system can be connected to the PLC through the network. However, after accessing the Internet through 3G mode , the IP address obtained each time is a dynamic IP address, which will cause some trouble to the timeliness of remote monitoring, especially Some customers have weak technical strength and cannot obtain the corresponding public network addresses. Therefore, DDNS (Dynamic Domain Name Service) is needed to resolve the router's IP address. With DDNS , we can resolve the IP caused by dynamic IP addresses. Unable to determine the address. 服务名可以在 DDNS 服务器上注册得到。 The DDNS service name can be registered on the DDNS server. T P-LINK 产品可以支持“花生壳”域名服务器,因此我们需要在“花生壳”域名服务器注册一个域名,然后将域名填入到路由器的动态 DNS 中,选择启用 DDNS, 如图( 4 )。 The TP-LINK product we choose can support the "peanut shell" domain name server, so we need to register a domain name in the "peanut shell" domain name server, then fill the domain name into the router's dynamic DNS , and choose to enable DDNS as shown in the figure ( 4 ). DDNS ,我们便能随时准确地捕捉到用户的公网地址,以便我们能在第一时间对客户的系统进行监控。 Through DDNS , we can accurately capture the user's public network address at any time, so that we can monitor the customer's system at the first time.

3 Figure ( 3 )

4 Figure ( 4 )

1 )的连接方法,用笔记本打 B&R 程序,我们就可以看到, AS 已经成功连接上 PLC Through the above configuration of the B & R control system and router, as well as the writing of the software, according to the connection method in Figure ( 1 ), using a notebook to play B & R programs, we can see that the AS has successfully connected to the PLC . 5 As shown in ( 5 )
5 Figure ( 5 )
Three, concluding remarks
PLC 进行远程监控,并能实现程序的上传和下载,当客户设备出现问题时,我们就能在第一时间为客户分析和解决问题,将客户的损失降到最少,同时还可为公司节约大量的人力和物力的成本。 Through the use of remote monitoring technology, we can not only remotely monitor our PLC through the network , but also can upload and download programs. When there is a problem with the customer's equipment, we can analyze and solve the problem for the customer as soon as possible Minimizing customer losses can also save the company a lot of human and material costs.
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