描述
2711-K9C12711-K9C1
基金会现场总线FF(Foundation Fieldbus)
基金会现场总线是国际上几家现场总线经过激烈竞争后形成的的一种现场总线,由现场总线基金会推出。与私有的网络总线协议不同,FF总线不附属于任何一个企业或国家。其总线体系结构是参照、ISO的OSI模型中物理层、数据链路层和应用层,并增加了用户层而建立起来的通信模型。FF得到了世界上几乎所有的著名仪表制造商的支持,同时遵守IEC的协议规划,与IEC的现场总线国际标准和草案基本-致,加上它在技术上的优势,所以极有希望成为将来的主要国际标准。FF总线提供了Hl和H2两种物理层标准。Hl是用于过程控制的低速总线,传输速率为31.25Kbps,传输距离为200m、450m、1200m、1900m四种(加中继器可以延长),可用总线供电,支持本质安全设备和非本质安全总线设备。H2为高速总线,其传输速率为1Mbps(此时传输距离为750m)或2.5bps(此时传输距离为为500m)。H1和H2每段节点数可达32个,使用中继器后可达240个,Hl和H2可通过网桥互连。FF的突出特点在于设备的互操作性、改善的过程数据、更早的预测维护及可靠的安全性。过程现场总线Profibus
Profibus由Siemens公司提出并极力倡导,己先后成为德国国家标准DIN19245和欧洲标准EN50170,是一种开放而独立的总线标准,在机械制造、工业过程控制、智能建筑中充当通信网络。Profibus由Profibus-PA、Profibus-DP和Profibus-FMS三个系列组成。Profibus-PA (Process Automation)用于过程自动化的低速数据传输,其基本特性同FF的H1总线,可以提供总线供电和本质安全,并得到了专用集成电路(ASIC)和软件的支持。Profibus-DP与Profibus-PA兼容,基本特性同FF的H2总线,可实现高速传输,适用于分散的外部设备和自控设备之间的高速数据传输,用于连接Profibus-PA和加工自动化。Profibus-FMS适用于一般自动化的中速数据传输,主要用于传感器、执行器、电气传动、PLC、纺织和楼宇自动化等。后两个系列采用RS485通信标准,传输速率从9.6kbps到12Mbps,传输距离从1200M到l00m(与传输速率有关)。介质存取控制的基本方式为主站之间的令牌方式和主站与从站之间的主从方式,以及综合这两种方式的混合方式。Profibus是一种比较成熟的总线,在工程上的应用十分广泛。
产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。
主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB ,AB ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA 专业销售进口DCS PLC系统备件模块 15天包退换 一年质保 大量现货 国内实力库存商家
Moog G631-3005 Servo Valve Rebuilt 12 Month Warranty
Moog Flight Simulator Valve 31S020 Rebuilt w/Warranty
Moog Flight Simulator Valve 76-212 Rebuilt w/Warranty
New Moog D633-255A Servo Valve R16KO1M0N6M2 NIB Warr’ty
New Moog D633-365B Servo Valve 1 Year Warranty
Moog Servo Valve 77-3156, #12955
NEW! MOOG Servo Valve # 771K602 w/13 MONTH WARRANTY
One-day shipping available
Moog Hydrolux High Flow Cartridge Valve #CEHFE-100-D6TT
MOOG MOD A076-509 SERVO VALVE 3000 PSI -40 TO 40MA
One-day shipping available
MOOG MOD 73-02 SER 44 SERVO VALVE
One-day shipping available
Moog Servo Valve #30-389A
Moog Servo Valve #30-389A
Moog Servo Valve #32S020
MOOG VALVE MODEL: 760A185A
Expedited shipping available
Moog Valve # D661-431D S#D727 Type S55FYFMANVBO NEW?
Moog Valve D661-431D Type S55FYFMANVB0 S#D778 NEW
MOOG 631-175C1 HYDRAULIC SERVO VALVE
New Moog 061-606C Servo Valve 12 Month Warranty
Moog D634-1001 Direct Drive Valve Rebuilt w/Warranty
MOOG 211A-153 HYDRAULIC SERVO VALVE 1500PSI *NEW 4/2010
MOOG J661-023A SER. J0537 1099 SERVO VALVE
Moog Servo Valve D-7030 73-743 D102 Rebuilt
New Moog D633-317A Servo Valve R04KO1M0NSM2 NIB Warr.
Moog D630-023A Servo Valve D630023A USED Free Ship
One-day shipping available
Moog Servo Proportional Valve 641A212B Rebuilt
MOOG 641F229C SERVO VALVE REPAIRED
Expedited shipping available
MOOG 78-130C SER. 914 SERVO VALVE
MOOG D061-603A SERVO VALVE W/ 963.364.8401-B
Moog Valve P/N 63-500A
Moog D633 Series Direct Drive Servo-Proportional Valve
One-day shipping available
Moog Servo Valve 73-744
Moog Servo Valve 773-558
MOOG D661Z2736E SERVO VALVE
MOOG Servo Valve 760-553A
MOOG Servo Valve A076-103
Moog Vickers Proportional Valve #D691-2128S S#D104 NEW
Moog Hydraulic Valve Servo #62-311
MOOG SERVO VALVE #760-101A HYDRAULIC REMAN
MOOG D633 DIRECT DRIVE SERVO CONTROL VALVE
NEW MOOG 77 – 159 SERVO VALVE
Moog Hydraulic Servo Valve A076-102
Moog Fluid Controls Model 77-519 Servovalve Used Valve
NEW~MOOG Torque Motor for Servo Valve~G761-3004~NIB
One-day shipping available
Moog Servo Valve #D635Z681DB S/N D1316 – P16xx1A0VSS2M
Moog Servo Valve D635Z681DB S#D1315 – P16XX1A0VSS2M
Moog Valve D635Z681DA S#D1233 – P16XX1A0VSS2M NEW
MOOG SERVO VALVE J661-709
Planet Products Hydraulic Motor MV.93 With Moog Valve
Moog Torque Motor for 62 Series Valve~Rebuilt~NR!
One-day shipping available
Moog Valve D691-2099D S/N D151 Type 080XUAABVVS2N NEW
MOOG Servo Valve 760A-103A *MANUFACTURER REFURBISHED*
MOOG Servo Valve 076-103A
Globe valve MOOG-CARLTON Oxygen Clean
Moog Proportional Cart Valve PCME50A6C0ZX3/OP 703400
MOOG – CHARLTON VALVE, GAS, HIGH PRESSURE
MOOG HYDROLUX WRA42P06C21PAO VALVE ROLLER ARM ACTUATION
NEW – Moog Industrial Valve Section P/N A65990-5
Moog Valve Control Card D646Z127 D123 075 A013 NIB
MOOG HYDROLUX VALVE WES22P10C1SBN1
Moog WES22P10C1SBN1 HYDRAULIC VALVE
MOOG HYDRAULIC SERVO VALVE MODEL# 31-236
MOOG HYDRAULIC SERVO TRANSFER VALVE MODEL# 533
Moog Hydrolux Hydraulic Flow Control Valve XDB10625-000
专业销售进口DCS PLC系统备件模块
PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗
15天包退换 一年质保 大量现货 国内实力库存商家