随笔分类 - 通讯
摘要：最近现场需要将一个仪表信号送至较远处另一台计算机上显示，为了避免大量电缆敷设，使用了USR-M100网关进行协议转换。网管默认地址192.168.0.7，安装完成后送电，插上网线，将计算机IP设置成同一个网段，打开浏览器，输入网关IP地址192.168.0.7，登录管理页面，输入用户名admin密码
阅读全文
摘要：希望到时候调试顺利，记下来以后再次应用就熟悉了。
阅读全文
摘要：这一篇学习笔记我在新浪博客发表过，地址是WINDOWS10下WINCCOPCDEASERVER配置_来自金沙江的小鱼_新浪博客 (sina.com.cn) 为了避免内容丢失，在这里也发表一遍 最近需要用到Window 10 下面WINCC V7.5SP2的OPC DA，在办公室测试了一下，把结果记录
阅读全文
摘要：现场有两套S7 400Hi同，PLC1先投入使用，PLC2正在调试。前期没有把项目程序做在一个程序中，造成无法做容错链接。今天尝试着在PLC2中做单边通讯，把过程记录下来。 前面的硬件组态等就略过了。PLC1的CPU是412-4H，IP地址是192.168.20.202和192.168.20.203
阅读全文
摘要：现场有一台有毒气体报警器，支持MODBUS RTU通讯，485接线，向厂家要到了通讯参数和地址表。在PLC机柜内安装了施耐德EGX150网关设备，页配置了串口参数，修改了网关IP地址。在现场工控机上通过modscan软件可以扫描到数据。但是citect上始终显示#BAD。经过与施耐德萧工请教，原来是
阅读全文
摘要：继续学习 8.4 Offline functions of the display unit 显示单元的离线功能 The following information refers to functions that can only be performed offline.For this rea
阅读全文
摘要：继续学习，这个文档即将学完了，还有10几个文档，路漫漫啊 8 Service 维护 This section provides information on maintenance and service operations. As far as the display unit is requi
阅读全文
摘要：7.3 Controller configuration via display unit 通过显示单元配置控制器 During the first controller start, the TD 951F display shows the Boot Configuration menu and
阅读全文
摘要：继续学习 6.13 Ethernet 以太网 The CPU module features several on-board Ethernet interfaces. As far as the maximum line lengths in Ethernet networks are conce
阅读全文
摘要：继续学习 6.12.2 RS-485 Bus RS-485总线 If the RS-485-bus is used, each connected bus line (each bus segment) must be electrically terminated. This includes：
阅读全文
摘要：6.12 Serial Interfaces 串口 Serial interfaces of the CPU module comply with the EIA RS-232 and EIA RS-485 standards. CPU模块的串行接口符合EIA RS-232和EIA RS-485标准
阅读全文
摘要：4.2 CAN Bus accessories CAN总线附件 Different accessories are needed, depending on the controller configuration (single/redundant) an the location where t
阅读全文
摘要：4.1.4 Diagnostic cables TK 890F and TK 891F 诊断连接电缆 PC side: D-SUB, 9-pin, female connector 电脑端：9针母接头 AC 900F side: D-SUB, 9-pin, male connector AC 900
阅读全文
摘要：4.1.3 Dummy couplers TA 924F and TA 724F 空插槽盖板TA 924F和TA 724F The dummy couplers are designed to protect unused slots against contact (ESD), corrosion
阅读全文
摘要：3.4 Power supply 供电 The voltage at the DC-IN power supply terminal of the controller is not only defined by the adjusted output voltage of the externa
阅读全文
摘要：3.3 CI CAN Bus module CAN总线接口通讯模板 An AC 900F controller with CI 910F CAN Bus module allows for connecting rack based I/O modules. 带有CAN总线模板的AC 900F控制器
阅读全文
摘要：3.2.4 PROFIBUS connector and cables PROFIBUS插头和线缆 Fieldbus interface 现场总线接口 The PROFIBUS DP connector features the following pin assignment: PROFIBUS
阅读全文
摘要：3.2.3 CM 772F PROFIBUS-DP Master Interface CM 772 RROFIBUS主站接口 The number of possible slaves is determined by the total number of input and output byt
阅读全文
摘要：今天进厂加班，还是比较顺利，原以为要两三天才能做完，半天就做的差不多了，周一再和同事们确认一下。 晚上继续学习和翻译吧，我发现一旦惰性了，就难回过来了，所以还是得保持学习的劲头。 3.2.2 CI 773F PROFIBUS-DP Master Interface CI 773 PROFIBUS-D
阅读全文
摘要：3.2 CI/CM PROFIBUS modules CI/CM PROFIBUS模板 The AC 900F is designed for operation with different PROFIBUS communication interfaces like the CI 930F, C
阅读全文
浙公网安备 33010602011771号