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Schneider 140 (PLC)> ★ Siemens Moore "★ Yinwei Si, GE (IC697)> Contact: Yang Lixia Mobile: 18059281372 Tel :0592 -2350642 400-8787970-015 Fax 0592 -5580710 (Remarks recipient) QQ 1485457236 E-mail 1485457236@qq.com Cisco ONS 15530 15530-ITU3-0720 Ch Ch 7 God Recommendations American goods, the local price for your service hotline 0592-2350642 Xiao Yang 8 2.5Gbps ITU F5 BIG-IP D51 Link Controller F5-BIG-5100, R, C?, U App Sw Cisco ONS 15530 15530-ITU3 -3120 Ch Ch 31 God Recommendations American goods, the local price for your service hotline 0592-2350642 Xiao Yang 32 2.5Gbps ITU Cisco 15530-LCMB-0200 15530 ONS 10-Port ESCON Aggr Card Juniper ERX OC3 God Recommendations American goods, local price for your service hotline 0592-2350642 Xiao Yang OC12-POS 4-port Oc3 1-port Oc12 Pos LC Cisco ONS 15530 15530-OSCM Optical Supervisory Chan Mod Cisco IGX8430-RM IGX 8430, Rack Mount, NPM-32, SCM Cisco 15454 -DS3N-12E DS3 card, 1: N protection enhanced Cisco 12000-SIP-400 SPA Interface Processor GSR12000 Cisco BPX-SMF-622-RB? 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On the hardware side, there are important significance include: embedded hardware system design, which has a representative significance is the CPU technology development; fieldbus technology development; Industrial Ethernet widely used. In terms of software include: embedded real-time operating system; soft logic programming techniques; embedded configuration software development. Subjects were as follows: ◆ follow Moore's Law, the latest in high-performance CPU for higher processing power, while its smaller, lower power consumption, resulting in superior computing power and industrial users are most concerned about the stability of the and reliability to achieve balance, so that manufacturers are likely to choose a common standard embedded system architecture design, get rid of the traditional PLC due to proprietary hardware architecture brings the limitations of the system with richer functionality outlook and openness. In the current launch of the PAC system is widely used in low-power, high-performance SOC (System On Chip) core processor. This is used both inside CISC architecture of the CPU, such as the Mobile Pentium series CPU, which uses the RISC architecture of the CPU, such as ARM series, SHx series, of course, also have to use the MIPS CPU. Comprehensive comparison, the RISC CPU applied to industrial control systems have the comprehensive advantages when using RISC CPU system occupy the market supply of a control system of the majority. ◆ After 14 years of dispute, the final IEC fieldbus standardization organizations by voting to accept the eight kinds become IEC61158 Fieldbus fieldbus standard. Fieldbus standard IEC61158 final settled, so that in the industrial control layer and the sensor layer in the device has to follow standards. However, because these 8 Fieldbus communication protocol used is completely different, therefore, to achieve compatibility and interoperability of these bus operations are very difficult. The possible way out is the use of international standards is already a common Ethernet, TCP / IP and other protocols, and make it comply with the requirements of industrial applications, but such programs most likely to be the majority of countries, users, integrators, OEM and manufacturers to accept and Welcome. ◆ generic embedded real-time operating system has achieved great development, and access to a wide range of applications. Traditional American Wind River Vx Works, PSOS operating system at the high end still has a high market share; Another noticeable trend is the introduction of Microsoft's Windows CE. Net version of the future, an effective solution to the hard real-time issues, and its low price and wide customer base access to the user's favor; representatives as open source, Linux operating system also launched its embedded version, and its cost, openness, security advantages of the above and get some special applications customers and small and medium manufacturers welcome. ◆ Comply with IEC-61131-3 standard soft logic programming language development, effective integration of the traditional PLC programming technology in the accumulation, so that the majority of the mechanical and electrical engineers can use PC-based systems to achieve their familiar way of programming their control logic. On the other hand, the PAC system, engineers can also use the high-level language to implement complex algorithms or communication programming, such as VB.net, EVC, VC #, JAVA and so on. ◆ In the man-machine interface part, some of the soft logic development tools HMI development kits are also available, such as ISaGRAF, Micro Trace Mode, KW MultiProg so on. If you have further needs some professional SCADA / HMI software vendors also provide for embedded system development software packages, such as configuration king's embedded version KingView,