16137-119

描述

16137-119

要不要搞FCS在国外正蓬勃发展，我国工控界应如何迎接自控领域这场变革的到来呢？这个问题可从分析我国工控业的发展历程和现状中找到答案。我国民族工控产品如PLC、DCS长期落后于国外，根本原因是国外少数几家大公司为保证其垄断经营的地位对其工控产品采用封闭式结构，我国对其关键核心技术只有通过引进消化后方可掌握，因此贻误了市场时机而总是落后于人家，受制于人。现场总线技术的开放性策略无疑为我国工控界在国际市场上的发展带来了一个千载难逢的平等竞争机遇，当游戏规则的变更使大家站在同一起跑线上时，就看谁捷足先登，抢先占领市场，把握主动权，最终领导市场。因此，我们应当紧紧抓住这一契机，率先推出有中国特色的现场总线产品，开创中国自己的国际工控产品的名牌，从而翻开中国工控界发展的新篇章。搞哪种FCS ?既然确定搞FCS，面对种类繁多的现场总线，应该搞哪种呢？分析现场总线多样性产生的原因，有助于理清这一思想。造成现场总线多样性的局面，一是因为行业习惯，如Profibus一直应用于PLC行业，FF应用于仪表行业；二是由于利益冲突，各工控厂商都不愿意放弃自己的标准而丧失已占用的市场份额。显而易见，现场总线标准完全统一尚为时过早。鉴于此，对于我国工控界的发展，建议采取以下策略

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WESTINGHOUSE JB3200W 200A BREAKER NEW JB3200W

MAGNETEK F-29U TRANSFORMER NEW F29U

HONEYWELL 1LN1-5-LH SWITCH NEW 1LN15LH

BRADY PTL-30-427 THERMAL LABELS NEW PTL30427

AMETEK 4M949 VACUUM MOTOR NEW 120V 4M949

NAMCO EB700-60501 SOLENOID NEW EB70060501

DIVERSIFIELD ELECTRONICS PRT-100 TESTER PRT100

TELEMECANIQUE LC2D12G7 120V CONTACTOR NEW LC2D12G7

HUBBELL HBL430C5W 30A CONNECTOR NEW HBL430C5W

HONEYWELL PRESSURE CONTROL L91A1078 NEW L911A 1078

E & E ENGR CLEVIS E-1576 NEW E1576

E & E ENGR CLEVIS E-1575 NEW E1575

E & E ENGR CLEVIS E-1394NEW E1394

SCHMERSAL ELAN TESZ 1110/45 NEW TESZ-1110/45

PACIFIC SCIENTIFIC E31NLHB-LNN-NS-​00 1.8 STEP MOTOR NEW

STATIC O RING 6NN-CA2-N4-CIA REMAN 6NNCA2N4CIA

CONTROL TECHNOLOGY TCAM-5230 ACCESS MODULE TCAM5230

ILSCO IK-750 SPLIT BOLT NEW IK750

HONEYWELL V703 7D-1007-1 SERVO VALVE V7037D10071

GE CL45D310MD NEW CONTACTOR

MAGNETEK SPB2-6-WA PUSH BUTTON PENDANT NEW SPB26WA

RED LION CONTROLS PRSI-001 NEW SPEED SWITCH PRSI001

BIMBA PT-017145-A1C1R ACTUATOR NEW PT017145A1C1R

GENERAL ELECTRIC CR7RB31EL NEW CONTROL RELAY

GENERAL ELECTRIC CLXA01 NEW SIDE MOUNT AMPLIFIER

SMC AMC-EL5 NEW FILTER AMCEL5

RUSSELLSTOLL F30040 RECEPTACLE NEW F30040

FUJI ELECTRIC SC-N2 3NC1Q0E22 NEW CONTACTOR

ENERPAC MB-1 STATION MANIFOLD NEW MB1

ROBERTSHAW 5210-401 THERMOSTAT NEW 5210401

CROUSE HINDS CHICO A4 SEALING COMPOUND NEW A4

AO SMITH JA1N625N ELECTRIC MOTOR NEW JA1N625N 115V

WESTERN CULLEN HAYES 38-0050-600 RELAY NEW 380050600

BALLUFF BIS C-306-05 NEW BISC30605

ANCHOR SCIENTIFIC SOLO FLOAT D30NO-115 NEW D30NO115

SIMPSON MODEL 2154 05D700 NEW

STI MICRO SAFE SAFETY LIGHT CURTAINS 36″

BANNER SM31ELQD NEW MINI-BEAM

SIMPSON MODEL 1257 02580 METER NEW

DAZIC 8121 S SPEED SWITCH NEW 8121S

BANNER 16277 NEW LENS FOR FIBER OPTIC 16277

ALLEN BRADLEY 700-R220A1 RELAY USED 700R220A1

VACTRAP VT-1A NEW VT1A

ALLEN BRADLEY RELAY 700-N400A1 SER C W/ 700-NA40 SER B

ALLEN BRADLEY RELAY 700-N400A1 SER B USED 700N400A1

CROUSE HINDS NPJ3484 30A PLUG NPJ3484

SQUARE D FAL34100 CIRCUIT BREAKER USED

CROUSE HINDS APJ3475 30A PLUG NEW APJ3475

CONTROL SYSTEMS INTERNATIONAL CSI 330125-02B BOARD NEW

CROUSE HINDS AR1031 100A PLUG AR1031

CROUSE HINDS APJ10377 100A PLUG APJ10377

ALLEN BRADLEY 1791-D16B0X NEW 1791D16B0X SERIES D

CROUSE HINDS APJ6483 60A PLUG APJ6483

FESTO TYPE QH-1/2 SERIES U 9543 0-30 NEW BALL VALVE

TYCO ELECTRONICS 4000Y01V18BC227 TRANSFORMER NEW

ALLEN BRADLEY 700-RTC01100U24 NEW 700TRC01100U24

MARPOSS E48 8304830010 NEW

BALLUFF BISC650 NEW BIS C-650

FEDERAL SIGNALS FB2PST-120G FIREBALL NEW 120VAC

DYNEX RIVET INC. 9431D NEW 9431D

ABB AL26-30-10 NEW AL263010

FESTO ELECTRIC LFR12D5MMIDIA NEW LFR-1/2-D-5M-MI​DI-A

HONEYWELL 914CE2-12 MICRO SWITCH NEW 914CE212

REXROTH INDRAMAT DKC02.3-040-7-F​W NEW DKC0230407FW

BIMBA DWC-175-2 CYLINDER NEW DWC1752

FANUC A06B-6088-H230#​H500 REMAN. A06B6088H230H50​0

ALLEN BRADLEY 700-HN101 SOCKETS NEW 700HN101 QTY. 4

FANUC A20B-2902-0060 USED A20B29020060

FANUC A20B-2901-0941 USED A20B29010941

FANUC A20B-2901-0981 USED A20B29010981

ALLEN BRADLEY 700-HA32A1-4 SER. C NIB 700HA32A14

ALLEN BRADLEY 700-HA32A24 SER. D NIB 700HA32A24

RELIANCE ELECTRIC 2SR41800 USED SNUBBER RESISTOR

SIERRA INSTRUMENTS 730-N1-1-E7-PV2​-V4-0 NEW

SIERRA INSTRUMENTS 730-N3-1-E7-PV2​-V4-0 NEW

BODINE GEARMOTOR 42R5BFCI-E3 115V 1/6 HP

LEBOW 3173-3K USED LOAD CELL 31733K

BALLUFF BLFBKSS32M30 TRANSDUCER CABLE NEW

MOSIER AIRSERV A0377A1 2X4 AIR CYLINDER NEW

MORSE B210A NEW CAM CLUTCH B210A

CUTLER- HAMMER T602LD NEW TERMINAL LUG T602LD

TYCO 4000Y01V18BC227 NEW TRANSFORMER 4000Y01V18BC227

UNISTRUT P1006-1024EG NEW BOX OF 100PCS. P10061024EG

HARRIS MODEL 9200 COMPRESSED GAS REGULATOR NIB OXYGEN

ORTMAN PNEUMATIC CYLINDER 3TH J 2.000 X 24.OO NIB

ACME TRANSFORMER TB-81216 NEW TRANSFORMER TB81216

SOR PRESSURE SWITCH 6NN-CA2-N4-C1A NEW 6NNCA2N4C1A

GARDNER DENVER 1K1A 926869 USED 1K1A926869

BOSCH 9 810 161 174 NEW 9810161174

DE-STA-CO PLUNGER CLAMP MODEL 608 NEW DESTACO 608

YOKOGAWA UT420 CONTROLLER NEW

CAMCO 92A61633010000 USED DRIVE 92A61633010000