2711P-T15C4D9觸摸屏
2711P-T15C4D9觸摸屏
2711P-T15C4D9觸摸屏
4 dcs的工程實現
由dcs的結構可知其工程實現是不困難的，國外早有現成產品，國內一些大型企業如電廠等幾乎都是進口的成套係統，可靠性高，但投資大。一般可以自己設計，現場控制級可以採用工控機保證高可靠性，管理決策級採用pc機，應用軟件可根據工程需要自己編程。特別是一些復雜控制對象，其控制算法是沒有現成控制模塊可以調用的，應在正確策略選取的基礎上，自己設計控制算法。從作者已完成的多個工程項目看，採用dcs係統克服“孤島”現象後，每個“自動化孤島”在決策級統一指揮下協調地工作，係統的管理（監視）功能大大增強，現場控制級處於優化狀態，生產效率高，故障少，產品質量穩定，操作管理人員也相應減少了，經濟效益顯著提高。如某鋼鐵企業有12個自動化水泵站，由於地域分散，泵站間距離有的相距1km以上，各泵站各自為政，形如“孤島”，計劃調度十分不便，本來水資源供應十分充足，但由於是分散控制，造成有的現場嚴重缺水。經改造後採用dcs控制方案，很好地解決了水資源的集中調度與管理問題，不僅充分滿足了該企業的工作及生活用水，而且還解決了周邊地區居民用水問題，經濟效益和社會效益大大提高，管理水平也上了一個新臺階，受到用戶歡迎。
5 結束語
從圖3可見，各控制單元之間沒有直接通信聯係，它們之間是通過決策單元交換信息取得聯係的，事實上dcs只是做到了半分布，測控層並沒有實現分布，控制依賴於控制站，dcs是半數字化係統。如採用現場總線，則可構成現場總線控制係統（fcs），它是一種全數字、半雙工串行雙向通訊係統，作為一種局域網，用於連接現場智能儀表，其信號傳輸採用全數字化，即智能式分布控制係統。智能式分布控制係統在國外已有現成產品，如lonworks等，但因價格太貴，要普遍大規模推廣應用還有不少困難。因此，推廣應用dcs係統，克服“孤島”現象，是有現實工程價值和經濟意義的。
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2：Invensys Triconex: 冗餘容錯控制係統、基於三重模件冗餘（TMR）結構的現代化的容錯控制器。
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4：Rockwell Allen-Bradley: Reliance瑞恩、SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。
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14:工業機器人係統備件。
PARKER 1/4 H 3 WAY SLIDE SEAL VALVE 008230109 UN FROM PB1
PARKER 1/4 H 3 WAY SLIDE SEAL VALVE 008230109 UN FROM PB1
PARKER AW TWO WAY VALVE 015210145 0408 UN FROM PB1
PARKER AW TWO WAY VALVE 015210145 0408 UN FROM PB1
PARKER DIRECTIONAL CONTROL VALVE MODEL D3W2CNYC 14 UN FROM PB1
PARKER DIRECTIONAL CONTROL VALVE MODEL D3W2CNYC 14 UN FROM PB1
PARKER DIRECTIONAL CONTROL VALVE MODEL D3W2CNYC 14 UN FROM PB1
Pass Seymour legrand occupancy sensor switch OSC3020-GRY /
PB32DEC OPTO 22 QUAD 8-MODULE POSITION MOUNTING RACK
PB32DEC OPTO 22 QUAD 8-MODULE POSITION MOUNTING RACK
Phase Sequence Indicator Model HV 3500 Volts No Info on Manufacturer
PHD ROTARY ACTUATOR R23R6090-A-M UN FROM P1
PHD ROTARY ACTUATOR R23R6090-A-M UN FROM P1
PHD ROTARY ACTUATOR R23R6090-A-M UN FROM P1
PHD SLIDE & CYLINDER TS061X5-A-M UN FROM P1
PHD SLIDE & CYLINDER TS061X5-A-M UN FROM P1
PHD SLIDE & CYLINDER TS061X5-A-M UN FROM P1
Philips M1116B Thermal Array Recorder in Box
Phoenix Contact FL Cats Terminal Box 2744610 CH NO 3001057260
Pilz Relay 774150 Contact expander module stok
Pinion Gear ID 60 mm OD 5 3/4 44Tooth
PLC DIRECT D2-CTRINT UN FROM PB1
PLC DIRECT D2-CTRINT UN FROM PB1
POSITIVE CONTACT SCU100--VERSION USPP SCU100VERSION
POSITIVE CONTACT SCU100--VERSION USPP SCU100VERSION
POSITIVE CONTACT SCU100--VERSION USPP SCU100VERSION
Potter & Brumfield KRP11AG
Potter & Brumfield KRP11AG
Potter & Brumfield KRP14A
Potter & Brumfield KRP14AG
Potter & Brumfield KRP14DG
Potter & Brumfield KRP5DG
Potter & Brumfield KRP5DG
Potter & Brumfield Relay KA5DG12 KA5DG-12 -NIB
Potter & Brumfield Relay KHS17D11 un surplus -NIB
Potter & Brumfield Relay KHS17D11 un surplus -NIB
Potter & Brumfield Relay R40-E1-Y4-V800 R40E1Y4V800 --
Potter & Brumfield Relay R40-E1-Y4-V800 R40E1Y4V800 --
PowerTran CNB-5K 5 KVA Transformer - NOS
PRECISION TIME SWITCH CD101 24HR
PRECISION TIME SWITCH CD101 24HR
RAYTEK THERMALERT MID RAYMIC10LT
RAYTEK THERMALERT MID RAYMIC10LT
RAYTEK THERMALERT MID RAYMICD10LT
RAYTEK THERMALERT MID RAYMICD10LT
Red Lion PRS1 Plug-In Speed Switch PRS10101
Red Lion PRS1 Plug-In Speed Switch PRS10101
REDPLUS TPC4LF MICRO SWITCH INVENTORY NOT
REDPLUS TPC4LF MICRO SWITCH INVENTORY NOT
REEL 800 parts IRF1010NL HEXFET MOSFET VDSS 55V RDS 11mOHM ID85A
Rehfuss German Gearbox 1:48 # SM051WG-IEC71C St
RELAY ARMATURE 5945-189-3073 /
RELIANCE ELECTRIC 0-57302 PC BOARD
RELIANCE P56H5068U 1/2 HP 1725 RPM ELECTRIC MOTOR 3PH 208-230/460 VOLT
Rexroth amplifier board VT5011/12 S33 R5 engl. #4 .
Rexroth amplifier board VT5011/12 S33 R5 engl. #4 .
Rexroth amplifier board VT5011/12 S33 R5 engl. #4 .
REXROTH MANNESMANN 4WMR6E50. UN FROM . VB1
REXROTH MANNESMANN 4WMR6E50. UN FROM . VB1
REXROTH MANNESMANN 4WMR6E50. UN FROM . VB1
RIDGID E-1666 X JAW INSERTS # 44715
RIDGID E-1666 X JAW INSERTS # 44715
Robertshaw Acragage 0 to 150 PSI Bronze Tube & Socket un - surplus
Robertshaw Acragage 0 to 150 PSI Bronze Tube & Socket un - surplus
Rosemount 22698-03 2269803 Model 381
Rosemount 22698-03 2269803 Model 381
Rosemount 22698-03 2269803 Model 381
ROSS LOCK OUT EXHAUST VALVE 1523C5002
Ross Operating Valve 800K87 Service Kit Box
RTC 7289RT = 3CX100A5 = 2C39A Lot of 200
S&S 22.701.308-33 120V COIL FOR CA3-37/43
Sanwa 380-CE Multimeter Analogue multimeter
Schafner FN352Z-10/03 Line Filter
Schafner FN352Z-10/03 Line Filter
Schneider ATS48C11Q in Box Free Ship
Schneider ATS48C11Q in Box Free Ship
Schneider ATS48C11Q in Box Free Ship
Schneider TSX Compact AS-P120-000 Aux. Power Supply UN
Schneider TSX Compact AS-P120-000 Aux. Power Supply UN
Schneider/Modicon Twido Module TWDAMI2HT Box
Schneider/Modicon Twido Module TWDAMI2HT Box
SCOTLE-TS2 Thermocouple Wire Temperature Sensor Magnetic Her For ACHI
SCOTLE-TS2 Thermocouple Wire Temperature Sensor Magnetic Her For ACHI
SIEMENS 3VU1600-1MM00
SIEMENS 3VU1600-1MM00
Siemens 505-7028. Catalog number 505-7028 surplus.
Siemens 505-7028. Catalog number 505-7028 surplus.
Siemens 505-7028. Catalog number 505-7028 surplus.
SIEMENS 6ES7 314-1AF11-0AB0 6ES73141AF110AB0 in Sealed Box Free Ship
SIEMENS 6ES7 314-1AF11-0AB0 6ES73141AF110AB0 in Sealed Box Free Ship
SIEMENS 6ES7 314-1AF11-0AB0 6ES73141AF110AB0 in Sealed Box Free Ship
Siemens 6ES7 392-1AJ00-0AA0 Simatic Connector lot of 2
SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version in Box
SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version in Box
SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version in Box
Siemens Allis Contactor 200A Quality USA Coil 125vdc
Siemens Allis Contactor 200A Quality USA Coil 125vdc
SIEMENS Bus Strap Kit 6JJ1 Obsolete JD JJ JL HJ
SIEMENS MQJ3225KH 225AMPS Circuit Breakers -
Siemens3NA3807Fuse Link20A500VAC
Siemens3NA3807Fuse Link20A500VAC
Siemens3RF2120-1AA22 SS Relay20A
Siemens3RF2120-1AA22 SS Relay20A
Siemens3RH1131-1BG40Control Relay
Siemens3RH1131-1BG40Control Relay
Siemens5SY52047Supplement Protector
Siemens5SY52047Supplement Protector
Siemens5SY6325-7UL1077 Sup. Prot 3
Siemens5SY6325-7UL1077 Sup. Prot 3
Siemens5SY6325-7UL1077 Sup. Prot 3
Siemens8WA1010-1PH01Term Blocks 49
Siemens8WA1010-1PH01Term Blocks 49
SIGMA 5R 1000 G-SIL 7137 RELAY SURPLUS
SMITH JONES 1/2 HP 1725 RPM MOTOR
Sola Mini/Micro Computer Regulator MCR Series 63-13-115-6
SPEED CONTROL PACK MODEL SS21-UL UN FROM IN BOX OB1
SPEED CONTROL PACK MODEL SS21-UL UN FROM IN BOX OB1
SPRECHER SCHUH CT 1-10 RELAY NO BOX
SPRING-O-MATIC TORSION REELS 33LBS@40'
Square D Circuit Breaker Panel Circuit Breakers RARE
SQUARE D 31041-400-60 480 VOLT COIL NIB
SQUARE D 31041-400-60 480 VOLT COIL NIB
Square D 8502 EG2 Size 3 Contactor Nema 1 Enclosure Style but look $ NIB
Square D 8502 EG2 Size 3 Contactor Nema 1 Enclosure Style but look $ NIB
Square D 8502 EG2 Size 3 Contactor Nema 1 Enclosure Style but look $ NIB
Square D 8536 EO1 8536EO1 SIZE 3 MOTOR STARTER Style
Square D 8536 EO1 8536EO1 SIZE 3 MOTOR STARTER Style
Square D 8536 EO1 8536EO1 SIZE 3 MOTOR STARTER Style
Square D 9037HG31 Closed Tank Float Switch Industrial
Square D 9037HG31 Closed Tank Float Switch Industrial
SQUARE D 9998-FA81 Size 4 3 Pole Style Contact Kit
SQUARE D 9998-FA81 Size 4 3 Pole Style Contact Kit
SQUARE D 9998-FA81 Size 4 3 Pole Style Contact Kit
square d coil part LXD1G7 120 v 50/60hz
square d coil part LXD1G7 120 v 50/60hz
SQUARE D CONTACTORS TWO 8502AO2 VERY SIZE 00 3PH UN
Square D PDC6KA4 3-Pole Lug Kit UN
Square D PDC6KA4 3-Pole Lug Kit UN
SQUARE D PRESSURE SWITCH 9012 GBW-21
Square D S1707 Style Starter Coil 208-220 Volt
Square D Solid State Timing Relay 9050 JCK-11 Series A Made In USA
square D type pg-4 class 8501 ser A relay
square D type pg-4 class 8501 ser A relay
square D type pg-4 class 8501 ser A relay
STEVECO 90-109 lockout relay .../
STRUTHERS-DUNN INC S-D 425XBX18 RELAY
STRUTHERS-DUNN INC S-D 425XBX18 RELAY
Sylvania QFP24 Plug-In 175A 3-Pole 240VAC Breaker
Sylvania QFP24 Plug-In 175A 3-Pole 240VAC Breaker Small Defect
SYLVANIA QFP24 QFP24-200-3 pole 240 volt 200 amp IN BOX
TAMURA -12/15CC USPP 1215CC
TAMURA -12/15CC USPP 1215CC
TAMURA -12/15CC USPP 1215CC
TAMURA -512BB USPP 512BB
TAMURA -512BB USPP 512BB
TAMURA -512BB USPP 512BB
Taylor Mag Pipe Sensing Head 3 Pipe Hazadorous Locations
Taylor Mag Pipe Sensing Head 3 Pipe Hazadorous Locations
Taylor Mag Pipe Sensing Head 3 Pipe Hazadorous Locations
T-Bar Switch Relay 801-12C-24 80112C24 -NIB
T-Bar Switch Relay 801-12C-24 80112C24 -NIB
Tektronix P6138A Oscilloscope Probe Kit - - Factory Sealed Package
Tektronix P6139A Oscilloscope Probe Kit - - Factory Sealed Package
Tektronix Tek 492 49XX Power Supply Style Works
TELEMECANIQUE CONTACTOR LC1D0910G6 UN FROM TB1
Telemecanique Contactor LC1D2510 Electrical Part LC1 D2510
Telemecanique Contactor LC1D2510 Electrical Part LC1 D2510
TELEMECANIQUE LA1DN11 CONTACT BLOCK UN FROM TB1
TELEMECANIQUE LA1DN22 CONTACT BLOCK UN FROM TB1
TELEMECANIQUE LC1D4011G6 CONTACTOR UN FROM TB1
TELEMECANIQUE LC1D4011G6 CONTACTOR UN FROM TB1
TELEMECANIQUE PROXIMITY SWITCH XS2M18PA370 LOT OF 2 in box
TELEMECHANIQUE E20F0L1K1 NO BOX
TEXAS INSTRUMENTS 305-05N INPUT MODULE
TFJ236150WL WITH AUXILIARY SWITCH CIRCUIT BREAKER 150AMPS
TFK236T080 TRIP UNIT
TFK236T080 TRIP UNIT
TFK236T200 TRIP UNIT
TFK236T200 TRIP UNIT
TFK236T200 TRIP UNIT
THE RILEY CO. PANALARM 50-X3 RELAY WITH PANALARM WB-3 FREE SHIP
THE RILEY CO. PANALARM 50-X3 RELAY WITH PANALARM WB-3 FREE SHIP
THERMO KING VXT Thermo Expansion Valve 306 1137 XB-1019
THOMSON LINEAR BEARING CARTRIDGE w/ HOUSING. P/N: PBO-32
THOMSON LINEAR BEARING CARTRIDGE w/ HOUSING. P/N: PBO-32
THOMSON LINEAR BEARING CARTRIDGE w/ HOUSING. P/N: PBO-32
THREE Dayton 3X742A Relays with mounts
THREE Dayton 3X742A Relays with mounts
TIGEAR 2 20Q40R56 REDUCER. RATIO 40:1
TIGEAR 2 20Q40R56 REDUCER. RATIO 40:1
TIGEAR 2 20Q40R56 REDUCER. RATIO 40:1
TRANE -0145 NSFP 0145
Turck RKM56-2M MiniFast Cordset ID #U5122
Turck U0895-18 U-0895-18 Euro Fast Cable E-RFS8T-930-5
Two boxes of tubes FU29 FU32 6P3PJ 6P6P 6N8P 6B8P
Un Control Solutions LFM-440 Discrete Input Controller 30VDC @2mA
Unimax Micro Limit Switch #KFB2HB-5
UniMeasure/80 Multi Purpose Transducer
UniMeasure/80 Multi Purpose Transducer
VEEDER ROOT COUNTER 166736-006 - no box
VICKERS BUSHING 6043 in box
VICKERS BUSHING 6043 in box
VICKERS CHECK VALVE DGPC-06AB51
VICKERS COIL 507852 NIB FROM VB1
VICKERS COIL 507852 NIB FROM VB1
VICKERS VALVE GPF1S10AW20 GPF1S 10 AW 20
VICKERS VALVE GPF1S10AW20 GPF1S 10 AW 20
Vicor Model: VI-RF011-EYYY Vicor VI-RF011-EYYY NIB surplus
Vicor Model: VI-RF011-EYYY Vicor VI-RF011-EYYY NIB surplus
Vicor Model: VI-RF011-EYYY Vicor VI-RF011-EYYY NIB surplus
VIDEO JET POWER SUPPLY 348778 MAKE OFFER
VINTAGE DURANT MFG PRODUCTIMETER COUNTER NUMBERER
VINTAGE DURANT MFG PRODUCTIMETER COUNTER NUMBERER
VINTAGE PLASTIC CAPACITORS INC LK 125-504 .5 MFD 12.5 KVDCW UNTESTED $0 SHIP
VINTAGE PLASTIC CAPACITORS INC LK 200-104 .1 MFD 20 KVDCW
VINTAGE VACUUM TUBE TESTER EICO MODEL 625 UNTESTED GOOD COSMETIC SHAPE
VINTAGE/ ANEMOMETER/ANEMOGRAPH WIND TESTER NO RESERVE
Vtg Transco Switch-RF Coaxial SP4T 14300 28VDC RF Transmission Line
WallBrand WB200 Branding Marker 200 Watt 120 vac
Warner Electric/Seco PCM620 620 DC Motor Drive Control Board UN
WEKSLER SA24-3PPP-RWBX 0-1000 PSIG GAUGE
WEKSLER SA24-3PPP-RWBX 0-1000 PSIG GAUGE
Weschler Ammeter GA-372 644B639A15 0 to 100 AC Amperes --
WESTINGHOUSE B211K0CA SIZE 0 REVERSING CONTACTOR
WESTINGHOUSE B211K0CA SIZE 0 REVERSING CONTACTOR
WESTINGHOUSE CONTROL RELAY BF62F in box
Whedco SMD-3041-1-A Servo Controller UN
Whedco SMD-3041-1-A Servo Controller UN
Whedco SMD-3041-1-A Servo Controller UN
Willett PCB 2600 Interface W40260840
Willett PCB 2600 Interface W40260840
Willett PCB 2600 Interface W40260840
Year 1968 Production HIOKI Static Tester HK-52F For 43Years TooL Collect USE
YUNTO UPS BACKUP POWER SUPPLY P750
ZTRON DREXEL BROOKS 402-3000 120 VAC 5 WATT
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