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DCS冗余通常包含以下内容：
　　电源冗余
　　DCS电源冗余包括控制器、网络互连控制单元箱的供电，现场仪表供电和总线的供电冗余。
　　控制器冗余
　　控制器、网络互连控制单元可采用冗余，分为主控设备和备份设备。CAMS3000通过专用通信线路对主控和备份设备之间的信息进行同步、跟踪。
　　通信冗余
　　在DCS系统中每台控制器有两各以太网地址，可分别接入不同的网段，实现DCS系统网络冗余。
　　操作站冗余
　　DCS系统可配备多个操作站，实现并行操作，而各自又独立之行任务。
　　DCS系统I/O板卡冗余
　　在DCS系统中通常根据用户实际所需要的I/O点数增加20%的I/O冗余。

ALLEN BRADLEY 2711-B6C1 USPP 2711B6C1

MONITECH ML080CT8520S FNFP ML080CT8520S

Siemens 6ES5-095-8MC02 USPP 6ES50958MC02

Siemens 6ES5-927-3SA12 USPP 6ES59273SA12

SIEMENS 6ES5-777-0BB00/6ES5777-0BB00 L1 BUS TERMINATOR NIB

Siemens 6ES5 431-8MA11 -- 6ES54318MA11

Siemens 12/24RC 6ED1 052-1MD00-0BA4

SIEMENS 6ES7212-1BB21-0XB0 CPU 222

SIEMENS SIJECT OP15B Membrane Keypad

Siemens 505-6108B

HP 75000 C VXI-MXI INTERFACE MODULE E1482B.

WESTiNGHOUSE WSE Si-1 W/ ENCL Sensor interface Module PROXiMiTY SYS MANUAL

SIEMENS 6ES5 314-3UA11 6ES53143UA11

Siemens LOGO! Memory Card 6ED1 056-5CA00-0BA0 NIB

Omron C200HG-CPU43

Schneider Modicon AS-H827-107/ASH827107 Chassis Rack

Schneider Modicon 984-480 PLC CONTROLLER MODULE PN AS-9508-000

Schneider Modicon AS-J200-001 EXPANDER MODULE ASJ200001

Schneider Modicon MODICON/ AS-W801-002 CABLE REMOTE I/O 1.5FT XLNT

Schneider Modicon AS-M380-004

Schneider Modicon TSX Compact Discrete Output Part AS-BDAP-208

Telemecanquie XBTG5230

Schneider Telemecanique USB to RS485 Converter TSXCUSB485 NIB

Siemens TI 505-5417 Relay Output Module

Siemens 6AV3 607-1JC20-0AX1 6AV3607-1JC20-0AX1 SIMATIC OP7/DP Operator Panel

SIEMENS Sinumerik 6FX1121-2BA03 Interface Module

Ethernet Communication Module USB SPI ENC28J60 Remote

SIEMENS SIMODRIVE POSMO A 300W 6SN21S5-2BD10-1BA1

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU BOX 6FC52476FC53572ZD

SIEMENS MOORE SPA SITE PROGRAMMABLE PROCESS ALARM SPA HLPRG 4PRG U-AO

Allen-Bradley 855PDB24MEH4322 Operator Indicator Light 24VAC/DC Red/Green

ABB 1400 M94 robot, robot, Motoman robot, Nachi

AC, 120V OUTPUT MODULE, OUTPUTS, 16

A06B-6058-H229 SERVO AMPLIFIER 2AXES FANUC

8" LCD 800x600 Video Zoom Microscope 3.3x-147x w/ Boom Stand

SEW EURODRIVE MDV60A0450-503-4-00 NSPP MDV60A0450503400

ALLEN BRADLEY 6724-PLX2 USPP 6724PLX2

ALLEN BRADLEY 2760-RB NSFP 2760RB

INTEGRAL TECHNOLOGIES 3378-00480 USPP 337800480

GENERAL ELECTRIC DS3800HMPJ1A1A USPP DS3800HMPJ1A1A

YAMATAKE 82114930-002 USPP 82114930002

MELLTRONICS 222-8360 USPP 2228360

Siemens 6ES5-304-3UB11 NSFP 6ES53043UB11

SIEMENS 6ES5 430-4UA11

SIEMENS S5 6ES5 373-1AA41 Memory Submodule

Siemens CPU944 6ES5944-7UA12 6ES5 944-7UA12 in Original Box

Siemens 6ES7 216-2AD00-0XB0 6ES7216-2AD00-0XB0 FreeShip

Siemens OP27 6AV3627-1LK00-1AX0

RELEASE SuperMicro X9DR3-LN4F MB FULL MFR

Texas Instruments 5TI-2000

Telemecanique Starter Interface Module LA1LC180BD

TSXSAY100 Modicon Premium AS I Module TSX SAY 100

Siemens DCS Module 6DS1703-8RR

Modicon MM-PMA1-200

Schneider Modicon Gould AS-J890-001 Remote Interface I/O PLC Processor

Schneider Modicon AS-BADU-205 Compact Analog Input ASBADU205

Schneider Modicon AS-BMOT-202 USPP ASBMOT202

Schneider Modicon AS-C484-265

Schneider Modicon AS-BDAP-210 8 POINT OUTPUT MODULE

Schneider Modicon High/Low Density Connector AS-8534-000

Schneider TELEMECANIQUE PLC TSXDET824 in Box

Schneider Automation Input Module TSX DET1612

PWR-7200/2-DC CISCO 7200 REDUNDANT DC 24V-60V POWER SUPPLY OPTION

SIEMENS 6ES5-451-4UA11/6ES5451-4UA11 OUTPUT MODULE NIB

SIEMENS 6DD1-640-0AC0 USPP 6DD16400AC0

LG G4L-CUEA G4LCUEA PLC Communication Module

SIEMENS SIMODRIVE 6SN1130-1A011-0BA0

SIEMENS SINUMERIK 840C NC CPU 6FC5110-0BB01-0AA2

SIEMENS SERIES 760 VALVE CONTROLER MODEL 760P15BAANNNB4

ALLEN-BRADLEY SLC 500 1746-OW8 OUTPUT MODULE QTY

ALLEN BRADLEY RIGHT HAND DOOR HARDWARE KIT 1494V-L3

ABB SACE F1H CIRCUIT BREAKER 3P POLE 1250A 800A AMP PROTECTION TRIP PR1/P 21521

A06B-0148-B175#0008 FANUC SERVO MOTORS REMANUFACTURED

7 AMAT 0021-35087 PLATE, BLOCKER, N2/HE CARRIER GAS, DXZ, UNIV. shower head

PACIFIC SCIENTIFIC M5HHON-00091-00 NSPP M5HHON0009100

ALLEN BRADLEY 1771-IR FNFP 1771IR

ALLEN BRADLEY 1336S-B010-AA-EN-L6 NSPP 1336SB010AAENL6

GENERAL ELECTRIC DS215SDCCG1AZZ01B USPP DS215SDCCG1AZZ0B

TELEMECANIQUE ATV-452D15 USPP ATV452D15

SQUARE D HCN23744M NSFP HCN23744M

CUTLER HAMMER 4144H304 USPP 4144H304

Siemens 6ES5 951-7NB13 6ES59517NB13

Siemens S5-95U L2 DP SLAVE PLC 6ES5-095-8MD01

SIEMENS 6ES5-752-0AA22/6ES5-752-0AA22 INTERFACE SUBMODULE NIB

Siemens 6ES5 498-1AA31 USPP 6ES54981AA31

Siemens 6AV6642-0DA01-1AX1 OP177B Membrane Keypad

Siemens LOGO 6ED1 052-2HB00-0BA5

RS Rohde Schwarz SMJ100A-B106 loaded w/ options

Telemecanique TSX1712026

SIEMENS Simatic 6ES5924-3SA11 Comm. Interface Module

Wago 750-481/003-000 2-CHANNEL ANALOG INPUT MODULE FOR RESISTOR SENSORS Ex i

Siemens 6SL3040-0MA00-0AA1 NIB

Modicon AS-P800-003

Schneider Modicon DTA 201/AS-HDTA-201 DTA201ASHDTA201 Secondary Subrack

Schneider Modicon ASB238 ASB238001 Output Module AS-B238-001

Schneider Modicon AS-B875-002 ANALOG MODULE ASB875002

Schneider Modicon AS-BDAP-218 DISCRETE OUTPUT RELAY

Schneider Modicon Gould AS-B804-116 Output Module 115 VAC ASB804116

Schneider Modicon AS-J890-001/ASJ890001 Beautiful condition

Schneider Automation TSX-DST1632 Output Module TSXDST1632 Warranty

SIEMENS 505-6108A ANALOG INPUT MODULE 5056108A

Reliance Electric O-57405-C O57405C I/O Analog Module Refurbished

SIEMENS 7Pu4020-0AN20 NSFP 7PU40200AN20

SIEMENS SINUMERIK OP 010 10.4 6FC5203-0AF00-0AA1

Prosoft MVI56-AFC MVI56AFC Communications Module

SIEMENS MODULE MOTION CONTROL W. PROFIBUS 6SN1114-0NB01-0AA0

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D 6FC5247-0AA00-0AA26SN1123

SIEMENS 6FC3-551-1AC-Z USPP 6FC35511ACZ

AllenBradley2706-E43J32B1DatalinerPanel

Allen Bradley Terminal Board 9101-1780 Amphenol /Sealed

ABB ISOMAX 3 POLE 400 AMP MOLDED CASE CIRCUIT BREAKER S5HQ400BW

ZEBRA 113-701-00200 USPP 11370100200

(S2-5) 1 MOOG-ATCHLEY 215A-310 SERVO VALVE. S2-5.

MITSUBISHI FR-A740-00860-TF USPP FRA74000860TF

ALLEN BRADLEY 1336VT-B040-EAR-FA2-L3-S1 NSFP 1336VTB040EARFA2

GENERAL ELECTRIC 531X302DCIBDG4 NSPP 531X302DCIBDG4

FISHER ROSEMOUNT 6853454-094 USPP 6853454094

SIEMENS 6ES5-923-3UC11 USPP 6ES59233UC11

REXROTH 0608841030 USPP 0608841030

TEXAS INSTRUMENTS PLC VPU-200-3102 USPP VPU2003102

Siemens 6ES5 524-3UA13 -- 6ES55243UA13

Siemens 6ES5-984-2UB11/6ES5984-2UB11 SIMATIC S5 ADAPTER NIB

SIEMENS 6ES5-451-7LA12/6ES5451-7LA12 OUTPUT MODULE RFB

Siemens 6ES5 350 5AA21 6ES5 350 5AA21 PLUS 2 X 6ES5980 4AA11 ALL

Siemens S5 Digital Output 6ES5 454-7LA11

Siemens C98043-A7010-L1

Siemens 6ES5 430-4UA14 -FS- 6ES54304UA14

Square D 8030 DLM-110

Schneider Interface Module 140 ESI 062 10 ASCII 3572

WITH 3 YEARS HP ON-SITE . Win7.WEBCAM.DVDRW

Siemens 6ES7901-1BF00-0XA0 TP27 Download Cable FreeShip

SIEMENS touch panel 6AV3627-1QL01-0AX0 TP27-10

Shawmut TRS250R

Schneider Modicon ASH819209800 Series Rack AS-H819-209

Schneider Modicon AS-B572-010 USPP ASB572010

Schneider Modicon Controller AS-B875-101

Schneider Modicon AS-H819-100 RACK SECONDARY 7SLOT 19INCH ASH819100

Schneider Modicon AS-B842

MODICON 24VDC OUTPUT MODULE B232 501

Siemens 6FL7820-8CB10 input point module AFI5100 rev B H2

Schneider Modicon 140-DDO-843-00 140DDO84300 DC Out NIB

Siemens MODULE 200 X 8POINT 24VDC 5PIN 6ES7-141-1BF10

SIEMENS SINUMERIK 6FX1118-4AA01 CONTROL CARD

Siemens Simatic S7 6ES7 341-1AH01-0AE0 CP341 Communication Module - Serial

SIEMENS 6SN1123-1AA00-0HA1 6SN1 123-1AA00-0HA1 SIMODRIVE 611 Power Module 8A 1Ax

SIEMENS 6SN1123-1AB00-0CA1 6SN11231AB000CA1 SimoDrive

SIEMENS 6FC5-210-0DA20-2AA1 USPP 6FC52100DA202AA1

AllenBradleyVersaView1000PPanelViewTouchScreen

Allen-Bradley 12 to 120V AC Output Module 1771-OAD - B

ABB Circuit Breaker 80 Amp Sace S3 Shunt Trip/Ground Fault Auxiliary Switch

ADEPT TECH 30846-00020 USPP 3084600020

(4398) Nachi PC Robot Control Board UM837A (4398)

INDRAMAT MAC1120-2-HD-4-C/130-A-0/W-I520LX/S005 NSPP MAC11202HD4C130A

TOSHIBA VT130G1-4330R0H USPP VT130G14330R0H

FANUC A06B-6041-H008 USPP A06B6041H008

DANFOSS 175H4425 USPP 175H4425

RELIANCE ELECTRIC 3RA2003 USPP 3RA2003

MTS SYSTEMS CO MPM1902FRM-418 USPP MPM1902FRM418

MAGNETEK C21-A50VT NSFP C21A50VT

Siemens 6ES5 377-0AB31 -FS- 6ES53770AB31

Siemens 6ES5-701-3LA13 USPP 6ES57013LA13

SIEMENS 6ES5-376-0AA11 USPP 6ES53760AA11

Siemens 6ES5 380-8MA11 TIMING MODULE 2POINT .3-300SECOND NOT WORKING

Siemens LMAS5 4 ANALOG INPUTS 6ES5464-8MA21

Siemens 6SE70 CUCP Board A5E00444036

Siemens TP7 6AV3 607-1NH00-0AX0 Touchscreen Glass

Siemens 6SA 8110-7AC00

Metasonix R-60 Self-Tuning MIDI-CV Interface Eurorack Module

XENPAK-10GB-ZR 10GBASE-ZR XENPAK MODULE for CISCO

Siemens 6ES7 314-5AE02-0AB0 6ES7314-5AE02-0AB0 FreeShip

Siemens PLC 6ES7 214-1BD23-0XB0 6ES72141BD230XB0

Reliance 0-52001

Schneider Modicon AS-9584-000 CPU - UnSurplus

Schneider Modicon AS-B224-001 NSPP ASB224001

Schneider Modicon AS-P530-OMA POWER SUPPLY NICE

Schneider Modicon AS-B804-116 Rev. T 115V 16PT Output Mod

Schneider Modicon AS-B266-501

Modicon PanelMate Plus MM-PM10300C 92-01685-00 ! WOW !

Siemens Simatic Input Module U-05N

Siemens 6ES7 322-1FH00-0AA0 -- 6ES73221FH000AA0

Siemens Simatic 8 Moble Operator Interface Panel 277 HMI NIB Boxed B

SIEMENS 6DD1-611-0AD0 USPP 6DD16110AD0

SIEMENS SINUMERIK SYSTEM 3 Screen 6FC388-5MB

SIEMENS OFFER & WIN SIMODRIVE 6SN1123-1AB00-0AA1 with 6SN1118-0AE11-0AA1

SIEMENS Simodrive 6SE6120-0FE00 Controller Board

SIEMENS Circuit Board 6FC9310-1MB01 _ 6FC93101MB01 _ DO-L1348-1A02

Adlink PCI-7300A

ALLEN-BRADLEY 1791-0A32 Block I/O 120V AC 32 Point Module 32 Output

ABB ACS 600 ACS 601-0100-4-00B1200801 100HP DRIVE

Active Monopole Antenna 150 kHz - 30 MHz

6ES7317-2AJ10-0AB0 Brand , Factory Sealed,

9 Zone Temperature Control Panel

SIEMENS HNFC366J NSFP HNFC366J

BOSCH 1070071339 NSFP 1070071339

BAILEY CONTROLS IEPEP-03 USPP IEPEP03

MODICON AS-P453-641 USPP ASP453641

JOHNSON CONTROLS JNCA NSFP JNCA

CONTROL SYSTEMS 7718-C USPP 7718C

Siemens 6ES5 095-8MA03 6ES50958MA03

Siemens 6ES5-458-4UA12 USPP 6ES54584UA12

SIEMENS 6ES5 777-0BB00 6ES57770BB00

SIEMENS S5 6ES5 465-7LA13 6ES5465-7LA13

Siemens S5-95U CPU 6ES5 095-8MB04 6ES5095-8MB04

SIEMENS 6ES7223-1HF00-0XA0

SIEMENS SIMATIC OP3 6AV3 503-1DB10 Operator Panel

Siemens 6AV7722-1AB10-0AD0 (PC 670)

HP AGILENT 35651C INTERFACE/SIGNAL PROCESSOR MODULE

WS-X6704-10GE Cisco 6500 10 Gigabit EN Interface Module 4 ports

Siemens 6ES5 521-8MA22 6ES5521-8MA22

Siemens LOGO! power 6EP1 331-1SH01 6EP1331-1SH01

Omron C200H-OD211

Schneider Modicon AS-C484-266 ASDC484266 Programmable Controller

Schneider Modicon ANALOG INPUT AS-B875-111 OUT OF BOX

Schneider Modicon AS-J471-600 USPP ASJ471600

Schneider Modicon 24 VDC INPUT AS-B827-032

Schneider Modicon AS-W512-003

Schneider Modicon ZAE-201/AS-BZAE-201 High Speed Counter 1X50/500KHZ ASBZAE201

SM321 16DI 24VDC INPUT MODULE 6ES7-321-1BH02-0AA0

Schneider TELEMECANIQUE XBT-GT-2110 XBTGT2110 with cable

Siemens TI 500-5016 Analog Output Module

Siemens 6AV3 525-1EA01-0AX0 6AV35251EA010AX0 Panel

SIEMENS Sinumerik 6FX1130-6BA00 Module 130. E Stand A.

ECDL Syllabus 5.0 Module 7b Communication Using Ou.....

SIEMENS Simodrive LT-Modul INT. 15A 6SN1123-1AA00-0AA1