描述
环境设计:如DCS的操作室和机柜室的布局、地面样式或地板选择、墙壁类型、照明方式、地磁电磁干扰、隔断选择、隔音效果、空气洁净度保证、恒温、恒湿及通风设计等,这其中应该着重强调的是恒温及通风设计。我们认为,在保证DCS系统硬件环境温度在23±2℃的基础上,可以尽量避免选择集中式空调或恒温恒湿空调,以节约资金并减少空调维护难度。保证通风能力的原因是在满足机房空气洁净度要求的基础上进行新鲜空气的补充,避免操作室内空气浑浊,影响操作维护人员安全,比较典型的设计可以考虑分体式空调加过滤换风机的配置方案。另外,分体式空调的选择也很关键,应选用进口或国产名牌产品并双机运行。当然,在资金允许的情况下,选择质量可靠的集中空调也未尝不可。但必须注意两个问题:一是空调出入风道的设计位置在考虑调节效果的基础上应避面正对机柜,防止夏天冷凝水滴落到顶部开孔的机柜内部而带来设问题;二是由于机柜室有诸多热源,应考虑机柜室与操作室的供冷供热的平衡问题。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
NetApp FAS270 Network Appliance Filer Head
所属类别:NetApp NAS网络存储器型号:FAS270
The Network Appliance NetApp FAS270 is a clustered,fabric-attached enterprise filer scaling to 4TB,and using the proven NetApp storage architecture with multi-protocol support to deliver unified storage for organizations with NAS,SAN,or
FAS250 FAS270 Netapp电源271-00001 UF103450P 3.7v
所属类别:NetApp电池型号:UF103450P
FAS250 FAS270 Netapp battery 271-00001 UF103450P 3.7v
NetApp P3R025 856-851020-001电源
所属类别:NetApp电源型号:P3R025
NetApp R150 300W Power Supply P3R025 856-851020-001 PSU
NetApp X757-R5冗余电源(-48VDC)适用于FAS30X0
所属类别:NetApp电源型号:X757-R5
This is a NEW Redundant PS,(-48VDC),FAS30X0/CX300,R5-Power Supply-All Part Numbers:X757-R5,114-00033,X757R5,11400033,X757,X757-R5-C,-System Compatability:Platform:FAS3050,FAS3020,C3300,
NetApp X726A 114-00001 C2100电源
所属类别:NetApp电源型号:X726A
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NetApp X724A F810 F880 R100电源
所属类别:NetApp电源型号:X724A
NetApp X724A 301 W POWER SUPPLY AC
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所属类别:NetApp电源型号:X721A
NetApp Emacs MAX-4300P 300W 114-00003电源
所属类别:NetApp电源型号:L2NETPOW
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NetApp Brocade 3800电源模块X1556A 111-00045
所属类别:NetApp电源型号:X1556A
You are bidding on 1 USED NetApp Brocade 3800 silkworm switch power supply.111-00045 X1556A
NetApp SP440 330W电源108-02281
所属类别:NetApp电源型号:B-NASP440
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NetApp X5604A R100 R150等主机风扇440-00003
所属类别:NetApp风扇型号:X5604A
This is a refurbished R1XX Shelf Blower Spare,and is compatible within the R100 and R150 shelves.
NetApp X1030A FAS900 GF900 R200 R150 C6200风扇模块
所属类别:NetApp风扇型号:X1030A
NetApp X1030A is compatible with the following:FAS980,FAS960,FAS940,FAS920,C6200,R150,R200,GF980 GF960,GF940,and GF920
NetApp X756A C1200 SC200风扇模块
所属类别:NetApp风扇型号:X756A
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NETAPP 111-01750 F700风扇模块
所属类别:NetApp风扇型号:F700
NETAPP 111-01750 F700 Removable Fan Assembly
NetApp X8530A C2100风扇
所属类别:NetApp风扇型号:X8530A
NetApp X8530A System Chassis Fan for C2100.This is a refurbished NetApp X8530A System Chassis Fan for C2100.
NetApp V-Series GF940主机
所属类别:NetApp主机备品备件型号:GF940
The NetApp V-Series GF940(formerly known as gFiler)provides unified NAS(Network Attached Storage)and SAN(Storage Area Network)access to data stored in Fibre Channel SAN storage arrays,enabling data center storage deployment and conso
NetApp DS14 MK4盘阵
所属类别:NetApp主机备品备件型号:X553A-R5
This is a NEW NetApp DS14 MK4 FC w/PSU-Storage Shelves/Disk Shelf-All Part Numbers:X553A-R5,X553A,X553,SP-553A-R5,SP-553A,SP-553-System
NetApp NetCache C120主机
所属类别:NetApp主机备品备件型号:C1200
Network Appliance NetCache C1200 series is designed for remote and branch offices and service providers’POPs offering a space-sensitive design,reliability,and modular configurations at an attractive price point.The NetCache C1200 series
NetApp X5605A R100 R150主机部件EMU 106-00005
所属类别:其他型号:X5605A
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NetApp X3148-R5 2GB内存板
所属类别:其他型号:X3148-R5
NetApp X3148-R5 2GB内存板,NA:110-00040+G0
NetApp X1136A-R5 111-00250双口iSCSI卡1000B-SX
所属类别:其他型号:X1136A-R5
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NETAPP Riser A,B模块110-00036+A0&110-00037+A0
所属类别:其他型号:110-00036+A0