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RX320ER 1100
现场总线技术确实改变了传统总线控制思维，常规的总线控制都是由一个主控CPU通过总线把子站数据拿过来进行计算，然后根据结果再通过总线把控制要求下发给另一子站，这样其实就是浪费总线带宽的资源，通过现场总线技术，可以把控制分散到各个子站，而每个子站有数据采集的终端和执行者，这样可以有效地减轻中央CPU的负担，并且改变常规的控制模式。（今天的转发暗号是：亿维，专注核心控制）以前很多人都说现场总线可以节省大量布线成本，其实线缆成本是有一些但绝不是现场总线技术为之存在的理由，它是一种改变常规控制的革新式技术，它把控制的核心通过总线技术下放到各个站点，在总线上的各个通讯站点，不再是数据采集和控制执行的终端，而是具有控制逻辑的大脑。
现场总线技术确实改变了传统总线控制思维，常规的总线控制都是由一个主控CPU通过总线把子站数据拿过来进行计算，然后根据结果再通过总线把控制要求下发给另一子站，这样其实就是浪费总线带宽的资源，通过现场总线技术，可以把控制分散到各个子站，而每个子站有数据采集的终端和执行者，这样可以有效地减轻中央CPU的负担，并且改变常规的控制模式。（今天的转发暗号是：亿维，专注核心控制）以前很多人都说现场总线可以节省大量布线成本，其实线缆成本是有一些但绝不是现场总线技术为之存在的理由，它是一种改变常规控制的革新式技术，它把控制的核心通过总线技术下放到各个站点，在总线上的各个通讯站点，不再是数据采集和控制执行的终端，而是具有控制逻辑的大脑。
【年底大促，超低优惠，给钱就卖。】
采购热线：1 3 3 9 4 0 5 7 2 9 2（欧阳英）
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AMETEK 1/4" NPT, 30" Hg PNEUMATIC GAUGE 1X676 154689 *N...
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WILKERSON 0-300 PSI, 0-20 BAR PRESSURE GAUGE 156-03 *NE...
SMC 1/4" PNEUMATIC FLOW CONTROL VALVE, AS2200 *NEW*
FOSTER MANUFACTURING 3/8" FPT FEMALE ONE WAY SHUT-OFF S...
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BIMBA FLAT-1 1-1/2" BORE 1" STROKE PNEUMATIC CYLINDER, ...
AMERICAN 7IN. OAL PNEUMATIC CYLINDER 1250DVS
SWAGELOK 1.81" IN , 2" OUT FITTING S3200132ST *NEW*
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TREGAKISS TOUGH GUN 5.5' WELDING GUN SG28-4105.5-45 *NI...
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TECH-MOTIVE 3/8" DRIVE IN-LINE ELECTRONIC NUTRUNNER 480...
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VALENITE 13-1/2"L, 1-1/2"I.D TOOL HOLDER 24208833T5703
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STAR 2-3/4" X 1-5/8" GEAR CUTTING TOOL 40078175 *NIB*
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ALLEN BRADLEY MICROVIEW 2707-MVP232
DODGE MASTER XL SPEED REDUCER 56CM16F
STI RM-4 43860-0010 SAFETY CURTAIN CONTROLLER
DEVILBISS 1/4"NPT CONNECTOR JGB-403 *NEW LOT OF 19*
BOSTON GEAR ISO9002, NNB
GLAS-COL HEATER MANTLE TM614 & CONTROLLER PL112
RELIANCE ELECTRIC PRINTED CIRCUIT TESTER 0-51811-1
ATLAS COPCO 3/8" DRIVE REVERSING IN-LINE PNEUMATIC NUTR...
ELCOMETER DIGITAL COATING THICKNESS GAUGE 345 F NIB
GENERAL CLAMP CO 3360LBS, 3"-8" CLAMP 929645, BA2
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ELECTRO-VOICE 60WATT, 2" VOICE COIL, SOUND COMPRESSION...
AMERICAN DRILL CO. RATED LOAD 15000LBS. TORQUE 470FT./L...
