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 220kV变电所隔离开关改造的安全措施 [2009-09-11] |
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| 摘要：变电所改造工程比新建工程有时更难把握，改造时如何兼顾运行设备与改造设备，如何准确把握改造的内容，如何保证改造后的正确操作，都是需要重点考虑的问题。
1 改造工程概况
改造工程主要内容为更换43组110kV隔离开关；11只110kV断路器端字箱和2只母线电压...
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| 三星经济研究院：人机交互与手机的发展趋势 [2009-09-11] |
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| 随着技术平准化手机产业出现价格竞争的环境下，手机的人机交互界面(UI)给手机市场提供新的卖点，同时可以通过各企业固有的UI提高客户的忠诚度，因此被认为它是新的产业动力。
手机UI的新设计与功能开发是根据各种客户群体的喜好及使用习惯而进行的，随着手机用户年龄...
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| 研祥技术在地铁自动售检票系统应用 [2009-09-11] |
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| 一、系统概述
近年来，随着经济的快速发展，作为城市交通建设中重要的组成部分――轨道交通建设也得到快速的发展。城市轨道交通是一种安全、舒适、快捷、准时、环保的大能力客运交通工具。研祥特种计算机在其中也有应用：PIDS（乘客信息显示系统）、AFC（自动售检票系...
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| EnOcean emerges as lighting control wireless standard [2009-09-11] |
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| Just over one year ago, a prominent group of building controls manufacturers formed the EnOcean Alliance to promote interoperable wireless sensor networks based on the EnOcean wireless standard. Today 113 companies, including Leviton, Masco, Distech ...
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| Brainboxes announces single-port USB to serial converters [2009-09-11] |
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| Brainboxes launched its new range of USB to Serial connectivity devices, releasing two new products. The RS232 and RS422/485 serial devices provide a highly efficient and robust serial port extension. This will ensure that desktops and laptops suppli...
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| Macro Sensors appoints John Matlack Manager of business development [2009-09-11] |
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| Macro Sensors appointed John Matlack as Manager of Global Business Development. Based at Macro Sensors’ corporate headquarters in Pennsauken, NJ, John will drive strategic business development, assess new market opportunities and develop new custome...
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| Exele adds SMS/GSM Alarm Notification to TopView [2009-09-11] |
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| TopView 6.6 can send and receive SMS text messages over a GSM cellular network using a GSM modem attached to the TopView computer.
SMS notification allows users to receive notification, acknowledge alarms, and query for current monitored point info...
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| 包装行业解决方案 [2009-09-11] |
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| GEFRAN提供的包装行业自动化解决方案，一方面，满足特殊的个体包装机器功能，另一方面，可以实现远程I/O控制和基于PLC和Soff-PLC架构的完整的自动化产品管理功能。Gefran的产品线以它的完整性而著称，比如故态继电器和它的合并公司GEFRAN-SIEI公司的驱动产品。
»密封...
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| Kobold Vicositiy Compensated-All Metal VKM [2009-09-11] |
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| Measuring -/switching range:0,01- 0,07 L/min..8 - 80
L/min
Connection: G ¼...G 1, ¼...1 NPT female
Material: brass, st. st.
Max. pressure: 250 (brass); 350 bar (st. st.)
Max. temperature: 100 °C
Accuracy: ± 4% FS
Options: reed contact, ...
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| 富士人机界面与GE90-70 PLC N：1通讯在轧钢生产线的应用 [2009-09-11] |
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| 富士人机界面与GE90-70系列PLC多重连接
本文着重介绍富士人机界面与GE90-70系列PLC通过RS-485多重连接方式在轧钢生产线的应用。多重连接N：1方式即多台人机界面与1台PLC通讯，实现整个系统的集中控制，同时便于现场操作。
关键词 ：人机界面、PLC、RS-485通讯、多...
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