SIEMENS 6DD1662-0AB0

經(jīng)濟(jì)性與很多因素有關(guān),有時(shí)外商給你報(bào)價(jià)降下來(lái),實(shí)際是改變了一些結(jié)構(gòu)而已,并沒(méi)有給你什么優(yōu)惠,甚至他的利潤(rùn)還增加了。這時(shí)可取的辦法是國(guó)內(nèi)類(lèi)似的單位和請(qǐng)教有經(jīng)驗(yàn)的專(zhuān)家。
第三點(diǎn)就是承包方的技術(shù)力量,也就是承包方對(duì)哪一工藝過(guò)程和DCS本身比較熟悉。如經(jīng)常做化工控制系統(tǒng)的承包商來(lái)做軋制的控制系統(tǒng),他對(duì)活套的控制、卷曲的控制和張力的控制等就不太熟悉,做的工程就不會(huì)太好。如果承包方對(duì)DCS本身不熟悉,控制器做的太大時(shí)會(huì)產(chǎn)生死機(jī)。不少工廠都購(gòu)買(mǎi)了不同廠家的DCS系統(tǒng),我們稱(chēng)之為“八國(guó)聯(lián)軍”狀態(tài),此時(shí)更要選擇技術(shù)力量比較強(qiáng)的單位抓總,而不宜選擇某一個(gè)國(guó)外廠商作為承包商。

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SKF Roller Bearing NU2205ECP

Helical Co. Flexible Coupler

2PC Omron Proximity Sensor E2E-X2ME1-P1 12-24VDC NPN N.O.

Parker Pneumatic Blocking Valve PWB-A3888 1/8" NPT 1/8"

2pc Parker Pneumatic Blocking Valve PWB-A3888 1/8" NPT 1/8"

ABB SSAC Time Delay Relay TDBL120AL 120VAC

Bimba Ultran Rodless Cylinder 7" travel

Allen Bradley DeviceNet Interface 1761-NET-DNI Ser B BUY MINE!! BUY MINE!!

Rembrandt Flex-Mite Motor Coupler Series 3

Allen Bradley 872C-A5C18-N3 Proximity Sensor 20-250v

Allen Bradley 855E-BVM Vertical Base Series A

Cooper Twist Lock Plug 30amp 480vac

Omron Photoelectric Sensor E3S-CL1

Square D I line Circuit Breaker FA36020 20AMP

10PC Unico Converter Module 302-175

Square D Limit Switch 9007Y54B

Allen Bradley SLC500 1746-OV16 DC-Sink Output Module

K149130A Light Bulb Lamp

Pepperl & Fuchs Proximity Sensor NBN40-L2-E2-V1 10-30VDC 40mm sensing

5pc Allen Bradley Suppressor 199-MSMV2 Series A UNUSED

emecanique Manual Motor Starter GV2-M07 1.6 -2.5amp w/ GV2-AN11 Aux Contact

Omron Limit Switch D4A Limit Switch D4A-291 D4A-0018N D4A-2000N

Allen Bradley Circuit Breaker 1489-A2D130 13amp 480vac 2 pole

Robohand Sensor OISN-002 by Bernstein 6502399004

4pc Allen Bradley 199-MSMA1 Surge Suppressor

Takashima Pressure Gauge I0207990 3500psi

Takashima Pressure Gauge H0921999 16MPa

22pc SMC Union Tee 1/2"

Banner Electric Armored Fiber Optic Cable IT235S

SMC Pressure Switch ISE4-T1-25 12-24VDC 101kPA Max

IFM Proximity Sensor IF0302 20-250VAC 4MM Sensing

Pepperl Fuchs Proximity Sensor NBB5-18GM50-E2-?C-V1

emencanique Push Button Enclosure XAP-M1502 22mm size Two Hole

emecanique Compact Limit Switch ZCMD41L1

Potter & Brumfield Time Delay Relay CKB-38-70010 0.1 - 10 seconds 120v input

IDC Corp Water Sensor 120vac

10pc Fafnir Conveyor Bearing CB14-3

SMC Fieldbus Module EX600-ED3

2pc Servtek Rod Seal Kit 5031425247

Mitsubishi PLC Base Rack A1S33B

Murr Elektronik Power Supply Model 025-24vdc

SMC Digital Pressure Switch ZSE30A-N01-P 0-10kPa

Pilz Safety Relay PNOZX8P 2 Channel 24vdc 3 n.o. 2 n.c. 2 s.o.

Islatrol Line Filter IC+105 120volt 5.0 amp

Allen Bradley Illuminated Push Button 800T-FXP16A1 Ambr

Square D Limit Switch 9007C52ED

SMC Pneumatic Valve VSS8-6-FJG-D-3Z 21-26vdc coil

Vickers Air Cylinder 2.625x 1 TL31DAXC1FAAK61?9 250psi

Square D Limit Switch 9007C64BW

50pc Square D Terminal Blocks 9080MA2.5/5G 600v

GE Fanuc Series One 24vdc Module IC610MDL151A

Red Lion Clock Power Supply PSMA1000

IDEC 24VDC POWER SUPPLY PS3L-D24AF 24VDC @ 2.2 AMPS CLEAN

Banner Valu-Beam Photoelectric Sensor SMI91ESRQD

Dongan Industrial Control Transfomer 50-0300-053 .300kva 240/480P 120/240S

Weidmuller High Density I/O Teminal RS-SD

Omron Proximity Sensor TL-X10Y1-52 120VAC

Siemens 6ES7 142-3BH00-0XA0/?6ES7 194-3AA00-0BA0 Module ET 200 ECO

Namco Cylindicator Proximity Switch EE230-30421

Mennekes Pin & Sleeve Plug 16A-6H 240-415vac

Allen Bradley VFD Inductor Spare Part 1336-142501

Allen Bradley 700-PK400A1 Master Control Relay

Lot of Entrelec & Weidumuller Terminal Blocks

B&B Electronics RS232 to RS422 Converter 422LP25N

Efector Proximity Sensor IF0301 20-250vac

Allen Bradley Proximity Sensor 875CP-A20N30-A2

USG Pressure Gauge 0-300 psi

Flutec Hydraulic Manifold & Valve ZAB06020-O1X

Watlow Heater Band P/NK 101573 240v 1300watt 7.5"

Turck Proximity Sensor Bi2-G12-Y0X 8.2VDC

5pc Weidmuller RSEG7 Kombifuss Relay Base

Micro Switch Proximity Sensor FYBC5C5-2 80-275VAC

Tempco Heater Band 3930296 240v 4400watt 9.5" Diameter

Moeller Time Delay Relay TE 11-30 100-127vac 10-30 seconds

Allen Bradley Illuminated Push Button 800T-FXP16A1

Moeller Protected Manual Motor Starter PKZM0-1.6

emecanique Denison Limit Switch Roller / Plunger Head JK5

Moeller Contactor DILR40 115vac coil

Banner Mini-Beam Convergent Sensor SM2A312CV2QD

Allen Bradley 1747-L511 501 CPU Ser B frn 6

Omron Proximity Sensor E2K-C25MY1 90-250VAC

Compact Air Pneumatic Cylinder BFHD2X112-MS34

Hubbell Kellums Strain Relief 074-01-1254 1.5"

BRADY 4VH79 HANDIMARK White Tape

ALLEN-BRADLEY 1485T-P2T5-T5 POWER TAP DEVICENET Series C

2pc NBR Weld SCR 912001/1

ABB Time Delay Relay PRLM622 0.1 - 10 seconds 230vac

5pc Brad Harrison Swinger Pendant Switch SPDT 10 AMP 125/250VAC

McGill Nyla-K Mounted Bearing CL-25-1 1/4

Square D I line Circuit Breaker FY14030A 277vac 1 pole 30amp

Baumer Electric Photoelectric Sensor FHDK 13P1099/S9A

Baumer Electric CH-8500 Photoelectric Sensor FHDK 15P5003/X1

Allen Bradley Compact Block I/O Module 1791D-0B16PX

Datalogic Photoelectric Sensor SDS10-5-M12-32 10-30VDC

NTE Rectifier NTE6156 150amp

Payne Engineering Power Control Transformer 18TBP-1-5

Allen Bradley Photoelectric Sensor 42GRU-9002-QD

Micro Switch Limit Switch 1LS59

Cutler Hammer 3 Position Selector Switch 10250T3043-2

13pc AMF / Potter & Brumfield Relay IAC5 120vac Input

Square D Diffuse Photoelectric Switch 9006PE4PANAWV

Turck Proximity Sensor BI10-G30-AZ3X-B?1131 20-250vac

Electromatic Module Recylcler S123166 724

KEY INSTRUMENTS AIR FLOW Meter 20-200 SCFH FR4A36BLBN UNUSED

Turck Proximity Sensor BI10-S30-AZ3X 20-250vac

Potter Brumfield Time Delay Relay CDB-38-70012

ISSC ON Delay Relay 1018TDR 120v

Banner Mini Beam Emitter SMA31E

Banner Mini Beam Emitter SMA31E

Tapeswitch Edgeswitch TS-47 Switch 30"

Allen Bradley Device Link Mating Cable 1485D-A3C3-N4

emecanique Reversing Contactor LP2EC03J 12vdc coil 3hp @ 480vac

GO Switch Proximity Sensor 74-13528-C3 240VAC

Leukhardt Systems BK MIKRO 4 Relay 8040206 120VAC

Leukhardt Systems BK MIKRO 2 Tool Monitor Relay 8003102 6304014

Banner Value Beam Sensor SM91RFQD

Allen Bradley Control Station 800S-35B

Square D Pilot Light 9001KP-1

2pc Robotron Valve Firing Relay 305-0-160-05

Banner Armored Fiber Sensor Cable IAT23SMST25

Leukhardt Systems BK MIKRO 5-RL Tool Monitor Relay 8050204 120VAC

Everex Systems SCSI Controller PWA-00001-0003

3pc FlexSpray Low Level Float Switch 850081

Square D I Line Circuit Breaker FA-34015 15amp 480vac

Contractor Instruments Motor Starter Interface MSIC-24

Parker Hydraulic Check Valve C1200B-10 25gpm 2000psi

3pc SW Controls Armored Thermocouple RT185L28043-00-?15-3A018-1

Banner Q10 Series Photoelectric Sensor Q10AP6DQP2

Watts Pressure Regulator w/ Gauge 855-02DJC

Thomas Rexnard Motor Coupler CPLGCC37.37SD

Banner Fiber Optic Cables IAT210P

Allen Bradley Bulletin 2750-AJ Antenna

Bendix Autosyn Differential Motor AY-533-25-A1

Bendix Autosyn Transmitter Motor AY-509-A-26-A1

24pc SMC Union Tee 5/16" Tube 1/4" NPT

Allen Bradley Circuit Breaker 1489-A2D040 4amp 480vac 2 pole

3 pc Allen Bradley Fiber Optic Sensor Cable 99-810

Micro Switch Compact Limit Switch 914CE2-9

Omron Second Timer H3CR-H8L 0-12 seconds

GE Proximity Sensor CR215DB18SC3PA 10-30vdc

Clippard Pneumatic Valve FV-5P

3pcs Niagara Hydraulic Hose Fittings 316SS

Allen Bradley Proximity Sensor 875CP-AM30N34-R?3 20-250V

Master Pneumatic Single Point Lubricator A6006

4pcs Ross Pneumatic Valve W056B2311

Allen Bradley 100amp Flanged Disconnect 1494-DS100

ISI Fluid Power Lock Master Pneumatic Hand Valve LM-50

Denison Lox Limit Switch L100W

Ross Pneumatic Pressure Relief Valve 2768B3901

Balluff Proximity Sensor RPT1804P 12VDC

5pc Omron Solid State Relay G3NA-210B 5-24vdc input 24-240vac out @ 10amps

6pc Rego Hydro Relief Valve SS8001U 450 psig

Namco Cylindicator Proximity Switch EE220-30520

SICK Optics Fiber Optic Photo Sensor WLL160T-E430

6pcs Phoenix Contact Isolation I/O Module ST-OV3-120AC

Omega Engineering Thermocouple Probe 5.5"

Banner Maxi-Amp Aplifier CM5RA

Humphrey Pneumatic Cylinder 3-D-6 UNUSED

Vickers Pneumatic Air Cylinder TL10GACC1AA0100?0 J 988 3.25" x 1x1

Allen Bradley Contactor 100-C09*10 w/ 193-EB1DB Overload 1.0-2.9amp

MICRO SWITCH Photosensor FE-PC1LX

Allen Bradley Illuminated Push Button 800MR-QAL24AAK

2pc Clark Starter Solenoid 884581

IFM Efector Digital Pressure Switch PB5024

Chicago Safety Pressure Switch JD-2 Grey Srping

Mac Pneumatic Valves Solenoid Valve PME-601BAAA 912B-PM-601BA 12vdc

Phoenix Contact Safety Relay PSR-SCP-24UC/UR?M4/5X1/2X2/B PSRSCP24UCURM45?X12X2B

Allen Bradley Time Relay 700-FSL3CU23 24-240VAC 24-48VDC

Big Chief Heater Band BC29358A 220V 130WATT

emecanique LED Cluster Lamp DL1BDG8 Yellow

Turck Proximity Sensor Bi5-G18-AZ3X-B1?431

Ashcroft Pressure Switch B424B 0-30psi

Danfoss Massflo Flowmeter Cable 083h3016

CMC Circuit Breaker QLV3 25 amp 3pole

emecanique Proximity Sensor XS4-P30FA260

emecanique Thermal Overload LR2 D3357 37-50AMP

Numatics Regulator Assembly 122RD100J000000

Allen Bradley Servo Cable 2090-XXNPT-16S0?9

ASCO Solenoid Valve 8262A132

Giddings & Lewis DC Output Interface 502-02954-01

Allen Bradley Proximity Sensor 871TM-DH5NN18-A?2

Omron Limit Switch D4A Limit Switch D4A-0900N D4A-0018N D4A-2000N

Allen Bradley Photoelectric Sensor 42GRU-9203-QD1

Balluff Photoectric Sensor BLS18E-XX-1P-E5?-X-S4

Watlow Din-a-Mite Solid State Controller DB20-60K2-0000 277-600VAC 25AMP

Allen Bradley Time Delay Relay 700-HT22BA1 120VAC 1 - 180 seconds

Square D Keyed Selector Switch Operator 9001TS-1K1

Idec Multifunction Timer GT3A-3EAF20 Range: 0.05 sec. to 180 hr

Culter Hammer Contactor Top Mount Fuse Block Kit C350KC63

Pepperl & Fuchs Proximity Sensor NCN15-M2-US-BHM

Cooper Bussman Fusetron Fuse FRS-R-600 600AMP

Furnas Keyed Selector Switch 52SC6CE