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FOXBORO FEM100

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DCS的關(guān)鍵是通信。也可以說數(shù)據(jù)公路是分散控制系統(tǒng)DCS的脊柱。由于它的任務(wù)是為系統(tǒng)所有部件之間提供通信網(wǎng)絡(luò)，因此，數(shù)據(jù)公路自身的設(shè)計就決定了總體的靈活性和安全性。數(shù)據(jù)公路的媒體可以是:一對絞線、同軸電纜或光纖電纜。 　　
通過數(shù)據(jù)公路的設(shè)計參數(shù)，基本上可以了解一個特定DCS系統(tǒng)的相對優(yōu)點與弱點: 　　
(1) 系統(tǒng)能處理多少I/O信息 　　
(2) 系統(tǒng)能處理多少與控制有關(guān)的控制回路的信息 　　
(3) 能適應多少用戶和裝置(CRT、控制站等) 　　
(4) 傳輸數(shù)據(jù)的完整性是怎樣徹底檢查的 　　
(5) 數(shù)據(jù)公路的大允許長度是多少 　　
(6) 數(shù)據(jù)公路能支持多少支路 　　
(7) 數(shù)據(jù)公路是否能支持有其他制造廠生產(chǎn)的硬件(可編程序控制器、計算機、數(shù)據(jù)記錄裝置等)。 　　

Hoffman VAMONITOR SysPend Vertical Motion Pendant Arm for Monitor Keyboard Mouse

?Cash Acme K10 Relief Valve, Ports: 3/4" NPT, Pressure Range: 50-150psi

?New Schrader Bellows K055103753 Solenoid Pilot Valve, Voltage 110/120VAC 50/60Hz

?Schrader Bellows K055103753 Solenoid Valve, Voltage: 110/120VAC 50/60Hz

?Scientech 380401 Laser Calorimeter, Absorber Type: Volume, Aperture Dia: 100mm

?Colombo Filippetti 65P-4-150 Index Drive, 3/4" Shafts, *Needs Oil*

?MTS TTSRBU0180AS2R Magnetic Position Sensor 18" 12-15VDC Input ±10VDC Output

?Dings 61003-551-U1DD Magnetic Disc Brake, Voltage: 230/460V 60Hz / 190/380V 50Hz

?New Enlin A/SA182 Stainless Steel Flex Hose Coupling 2" Pipe 6" Flange 2' Length

?Teledyne Republic 21110-7303-0200 Directional Control Valve, Hydraulic

?New Honeywell 46-180501-001 Print Wheel for Multipoint Recorder 6 Color

?Fife GLS-01 Photoelectric Optical Sensor ±12VDC ±10mA Output

?Lovejoy AL-100 17924 Coupling Piece 1" Bore Aluminum *No Spider*

?Micro-Vu M545 Measuring System XYZ Granite Gantry *No Software, For Parts Only*

?Brawn MD50 Mixer / Agitator 190/380/230/460VAC 50/60Hz 1/2HP 3PH 1140/1750RPM

?Reliance Electric 5PY59JY27A Tachometer Generator, 100VDC/1000RPM, 2500RPM Max

?Dwyer 4015 Capsuhelic Differential Pressure Gauge, Range: 0-15 In of Water

?New Dwyer 4015 Capsuhelic Differential Pressure Gauge, Range: 0-15 In of Water

?Auburn International 4001 TriboGuard Broken Bag Detector, Power: 105-130VAC

?Parker D3W1FVYC Directional Control Valve, 2-Position 4-Way, Voltage: 110/120VAC

?Chem-Tainer TC3024CB 75 Gallon Polypropylene Cone Bottom Tank w/ Steel Stand

?GEMS STU04400 Pressure Transducer 0-1000PSIG 8-30VDC Input 1-5VDC Output 1/8"NPT

?Vibco VS-320 Pneumatic Turbine Vibrator, Force: 600lbs (2669N), Noise: 69dB

?Derby Sealers 15-A Automated Gummed Tape Dispenser 6" to 30" Strips *AS-IS*

?Asahi/America AP79PS Actuator with 1" PVC Ball Valve, Spring Return

?New Reliance Electric 406041-A Flexible Coupling, 5/8" On Both Ends By 3.5" Long

?Better Packages Simplex No.3 3" Gummed Tape Dispenser w/ Moistener *AS-IS*

?Allen Bradley TLS2-GD2 Guard Master Door Switch, Coil: 24VDC, *Right Knockout*

?Numatics 140BA400M Solenoid Valve, 5-Port 4-Way 2-Position, Voltage: 24VDC

?Huntington SP-151 Sorption Pump w/ 120VAC 350W Band Heating Element

?New Aalborg P24/6-023-92G Flowmeter, Ports: 1/8" NPT Female

?New John Crane 90432-0001 Seal Assembly For Gould 3196ST Pump, 1 3/8" ?, Type 9T

?Winder Traverse w/ Automatic Direction Change 16" Wide 1" Shaft Diameter

?New Turck BC20-K40SR-FZ3X2 Capacitive Sensor, Distance: 20mm, Voltage: 20-250VAC

?Beckhoff CP6203-0001-0020 Industrial Touchscreen Computer w/ Hoffman Enclosure

?Honeywell Skinner X53LW2VAC2 Vacuum Solenoid Valve, Voltage: 120VAC 60Hz

?New Chesterton 155-10 Standard Single Cartridge Seal, w/ Adjustable Gland

?Cleveland Kidder EC-1T (MO-04492-0) Cartridge Style Transducer, Force: 25 lbs

?Honeywell L4008E 1156 Aquastat Controller, Power: 120/240VAC, Range: 130°-270°F

?Micro Motion NFC10S Net Flow Computer, Supply: 110/115?or?220/230VAC?or?12-30VDC

?Cutler Hammer HMCP050K2C Motor Circuit Breaker, 3-Poles, Voltage: 250VDC/600VAC

?Fisher Type 64 Regulator, Pressure Range: 5-35psi, Ports: 1/2" NPT

?Worcester R2CWP1500 Brass Ball Valve, Ports: 3/4" NPT

?Gemini 76-1-RT-6 Brass Ball Valve, 1.5" NPT Female Ports, Pressure: 720psi

?Beckhoff CP6203-0001-0020 Industrial Computer w/ 19" Touch Screen Monitor 24VDC

?New Chesterton 155 Standard Single Cartridge Seal w/ Adjustable Gland 1 1/4" ID

?Lot of 12 Caddock MP821 Power Film Resistors, Resistance Value: 0.2 Ohms

?New Trerice 760B Vacuum Gauge, Range: 15-0 inH2O, Connection: 1/4" NPT

?Massa M-5000/95 Ultrasonic Sensor, Voltage: 12-28VDC, Target Detection: 1'-13'

?New FAG 22310HLS Spherical Roller Bearing 50mm x 110mm x 40mm

?Numatics F21B-03 Pneumatic Filter, Ports: 3/8" NPT, Pressure Rating: 150psi Max

?New SKF AN 30 Bearing Locknut 5.888-12 Thread 7 11/16" OD 31/32" Width Steel

?Allied Vision GF-046B AVT Camera, Voltage: 12VDC, Power Consumption: 2W

?Smart Vision Lights R80-625 Ring Light, Voltage: 24VDC, PNP and NPN Strobe Input

?PA Industries LC-3 Loop Control, One Probe and One Proximity Sensor, *For Parts*

?PA Industries LC-3 Loop Control, For Variable Speed AC?or?DC Drive, *For Parts*

?Colson 4 Series 4" x 2" Phenolic Swivel Casters 800lbs Rating 4" x 4 1/2" Plate

?Allen Bradley 800E-4D0 Green Illuminated Pushbutton, With 1x N/O Contact

?Hoffman A865JFGR Enclosure, Dimensions: 8" x 6.5" x 6", *Holes* *Missing Screw*

?Mettler Toledo BBA-462-15-LA Compact Scale, 240V, 15kg Capacity *See Details*

?Hoffman A865JFGR Enclosure, Dimensions: 8" x 6.5" x 6", *Holes*

?Allen Bradley 800T-FXQ24 Red Illuminated Pushbutton, Voltage: 24VAC/DC

?Norgren C1037J-A1 Pneumatic Poppet Valve 1/4" Pilot 1 1/4" Ports 300PSI

?Norgren C1037J-A1 Pneumatic Poppet Valve 1/4" Pilot 1 1/4" Ports w/ Pipe

?Minarik MM21211A DC Drive, Input Voltage: 115V, Output: 90V 1.5A, Power: 0.125HP

?Norgren C1037J-A1 Pneumatic Poppet Valve 1/4" Pilot 1 1/4" Ports w/ Muffler

?Minarik MM21211A DC Drive, Input Voltage: 115V, Output: 90V 1.5A, *Extra Hole*

?Ferraz Shawmut 67113 Power Distribution Block 3 Pole 14AWG-2/0AWG x 14AWG-10AWG

?Gordon RC 4000 Reel Control, Input Voltage: 115/230VAC 50/60Hz, Output: 0-10VDC

?Hoffman Door Handle for Large Enclosures Straight Blade Lock w/ Lock-Out Hasp

?Hoffman TEP4UL12 Exhaust Grille for Electrical Enclosures 5 1/2" x 5 1/2" Gray

?Bodine 33A5BEPM-W3 Gear Motor, Voltage: 130VDC, Power: 1/8 HP, 43.9:1 Ratio