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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。

Schneider Modicon AS-521P-111 CNC Memory Board Rev A AS-IS

Schneider Modicon DTA 202/AS-HDTA-202 Secondary Subrack TSX Compact PLC

TELEMECANIQUE Magelis HMI XBT-G2330 XBTG2330

SCIENTIFIC ATLANTA INPUT CONVERTER CH T8 MODULATOR

Siemens 6ES7 322-1EH01-0AA0 -FS- 6ES73221EH010AA0

Siemens Simatic 6ES7 322-1BF01-0AA0 Output Module

SIEMENS 6DD1611-0AF0 NSFP 6DD16110AF0

SIEMENS Sinumerik System 800 6FC3988-7AF01 9 inch monitor

SIEMENS OFFER & WIN SIMODRIVE 6SN1130-1DB42-0CA0 VSA-MODUL

SIEMENS Simodrive 6SC9811-4CH00 TAKE-OUT Listed Elsewhere for $2460.31

SIEMENS Circuit Board 6FC9310-1MB01 _ 6FC93101MB01 _ DO-L1348-1A01

ADlink PROX-H471

Allen-Bradley 1785-BCM Output Module

ABB ACS 600 FREQUENCY DRIVE 250HP ACS60402605000B00009R1

Actus Power AC Servo Control Controller NPSA-5NN-55E1 _ NPSA5NN55E1

6ES7317-2FJ10-0AB0 6ES7317-2FK13-0AB0 Brand , Factory Sealed,

90 5 acceptance

SIEMENS PXD63B140H NSFP PXD63B140H

BOSCH 1070071356-101 USPP 1070071356101

BAILEY CONTROLS IMASI-03 USPP IMASI03

MODICON AS-P500-610 USPP ASP500610

JR3 VME-2105 USPP VME2105

CONTROL TECHNIQUES AXIMA0400 USPP AXIMA0400

Siemens 6ES5 095-8MA04 6ES50958MA04

Siemens 6ES5-458-7LA11 USPP 6ES54587LA11

SIEMENS 6ES5 777-0BC00 -- 6ES57770BC00

SIEMENS S5 6ES5 470-4UC12 Module 6ES5-470-4UC12

Siemens S5Input Card 6ES5420-4UA13 E Stand 02

Siemens 6ES7231-0HC20-0XA0 6ES72310HC200XA0

Siemens Simatic OP47 Membrane Keypad

Siemens 6AW5463-OAB

HP Agilent 54650A HP-IB Interface Module

WS-X6748-GE-TX Cisco Exp. Forw.720 Interface Module Switch 48 ports ma

Siemens 6ES5 921-3UA12

Siemens LOGO! RS232 CABLE 6ED1 057-1AA00-0BA0

Omron C200H-OD218

Schneider Modicon AS-BVIC-224 4Ch 24V 25KHz Counter Input VIC-224 ASBVIC224 VIC224

Schneider Modicon Analog Input Module AS-B875-111 B875111

Schneider Modicon AS-J474-000 NSFP ASJ474000

Schneider Modicon 5V TTL FAST INPUT MODULES AS-B829-116

Schneider Modicon AS-WBXT-201

Schneider Modicon /115VAC 8-Pt Output Module AS-B350-001

SLC500 Input Module AB 1746-IV16/C

Schneider Telemecanique XBTGT5330 95%

Siemens Texas Instruments U-15T Output Relay Module U15T

Siemens 6AG7010-0AA00-0AD0 SIMATIC Panel PC IL70 Integrated Display Computer 12"

SIEMENS Sinumerik 6FX1136-2BA01 CPU Module

Eaton Communications Adaptor Module 58801-441

SIEMENS Simodrive LT Module Int 50A

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 BBE

ADLink NuDAQ ACL-6128A Isolated Analog Output Card NIB

ALLEN-BRADLEY 800MB-CPB16RAS PUSH BUTTON

ABB 20 HP ACH550-VDR-031A-4+F267 AC Drive w/ Bypass and Disconnect VFD

ACCU SORT 5400 USPP 5400

A06B-6066-H012 FANUC SERVO AMPLIFIER REMANUFACTURED

800 HP AC MOTOR 3/60/4160 VOLT 593 RPM 127 AMP

SIEMENS 3WN6231-0FC74-1FA1 USPP 3WN62310FC741FA1

ALLEN BRADLEY 8520-3S5A-BAT-EX4-S-1-2-3-5-7 USPP 85203S5ABATEX4S2

ALLEN BRADLEY 6155-RLYZGLCHGFZ USPP 6155RLYZGLCHGFZ

JOHNSON CONTROLS NU-DCM140-0 USPP NUDCM1400

GENERAL ELECTRIC DS3800NFCD1S1L USPP DS3800NFCD1S1L

YASKAWA ELECTRIC CIMR-F7U4018 USPP CIMRF7U4018

MODICON 140-CPS-114-20 USPP 140CPS11420

Siemens 6ES5-310-3AB11 NSPP 6ES53103AB11

SIEMENS 6ES5 430-8MB11 6ES54308MB11

SIEMENS S5 6ES5 458-4UA12 Relay Output Module

Siemens Digital Output Module 6ES5-451-8MA11 17038

SIEMENS 6ES7 222-1HF21-0XA0 6ES7222-1HF21-0XA0 FreeShip

Siemens OP277 6AV6643-0BA01-1AX0 Membrane Keypad

Ready bundle for WS-X6708-10G-3C 8 Cisco X2-10GB-ER

GE FANUC interface module ethernet smartstack 10baset IC300ETN100A

TEXAS INSTRUMENTS 500 5040 NETWORK INTERFACE Module

TSXASZ4Siemems 6SE5 942-7UB11 6SE5942-7UB11 115U CPU 942B

Siemens EM 222 6ES7 222-1BF22-0XA0 EM222 PLC

Modicon NW-BM85-000

Schneider Modicon AS-H827-103 800 Series 11-Slot I/O PLC Module Rack Chassis

Schneider Modicon AS-BDAP-250 Compact Combo ASBDAP250

Schneider Modicon AS-C484-005 USPP ASC484005

Schneider Modicon ASHDTA202 Compact 2 Slot Rack AS-HDTA-202

Schneider Modicon Input Module M AS-B805-016 ~ SURPLUS NIB

SCHNEIDER Telemecanique TSXDET1612 16-INPUT CARD NIB

SCHNEIDER AEG DAP208 INPUT MODULE 65

PVDM3-32 CISCO 32-CHANNEL HIGH-DENSITY VOICE AND VIDEO DSP MODULE

SIEMENS 6ES5441-4UA13 SIMATIC OUTPUT MODULE QUANTITY

SIEMENS 6DD1-671-0AB2 USPP 6DD16710AB2

JDSU FIREBERD 8000 Communication Analyzer with Diphase module

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA2

SIEMENS SINUMERIK 840C HARD DISK 6FC5147-0AA13-0AA1

SIEMENS MOORE PRODUCTS 15921-21 BOARD NNB

Allen-Bradley Programming Terminal 1201-HAP

520FCOD ALLEN BRADLEY 520F COD

ABB SAFT 187 CON 58122203, , 58122203,

A06B-0148-B184#0075 FANUC SERVO MOTORS REMANUFACTURED

700 HP Custom 8000 Induction Motor 440 Volts Item #8426

PERCEPTRON 912-0010 USPP 9120010

ALLEN BRADLEY 1775-MSD USPP 1775MSD

ALLEN BRADLEY 1336S-BRF100-AA-EN5 NSPP 1336SBRF100AAEND

GENERAL ELECTRIC DS3800HRRB USPP DS3800HRRB

TEXAS INSTRUMENTS PLC 505-2556 USPP 5052556

STANLEY T801-115 USPP T801115

DEMIC DATENTECHNIK GMBH DE-2401 USPP DE2401

Siemens 6ES5 955-3LC42 6ES5188-3UA12 POWER SUPPLY

SIEMENS 6ES5 100-8MA02 CPU

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

Siemens 6ES5 605-0RU11/6ES56050RU11/6ES5-605-ORU11

Siemens 6bk1200-0aa20-0aa0 sicomp-imc 01s Kaeser Sigma Control

Siemens LOGO! 12/24RC 6ED1052-1MD00-0BA5 in box

ROLAND JV-1080 SUPER JV SYNTHESIZER SOUND MODULE JV1080

Telemecanique TSXDEY16D2

SIEMENS SIMATIC S7 6ES7 151-1BA00-0AB0 PROFIBUS-DP INTERFACE MODULE QUANTITY

WAGO 750-461 USPP 750461

Siemens 7MH4950-2AA01 SIWAREX U NIB

Modicon AS-S902-001

Schneider Modicon DEP215 AS-BDEP-215 INPUT MODULE 65

Schneider Modicon AEG/GOULD// AS-W801-006 CABLE SIGNAL 800I/O 6FEET XLNT

Schneider Modicon AS-B875-102 MODULE ASB875102

Schneider Modicon AS-584A-320 CONTROLLER 1 YR WARRANTY

Schneider Modicon Input Module AS-B805-016 WARRANTY

Schneider Modicon AS-M680-108 Memory Module

Schneider Automation Inc 140 DRC 830 00 140DRC83000 Output Module -

Siemens 505-4232 Input Module 5054232 ++

RELIANCE ELECTRIC 61C-350 USPP 61C350

Siemens 6FC5247-0AA02-1AA0 6FC52470AA021AA0 Sinumerik

SIEMENS Sinumerik Operator Panel 6FC5203-0AF26-0AA0-Z 6FC5203 0AF26 0AA0 Z

PoolWarden Ethernet Communication Module Internet Pool Chemical Automation

SIEMENS SERVO 6SN1145-1BA00-0BA0 6SN 1145-1BA00-0BA0 XLT Fast shipping

SIEMENS TERMINAL STRIP CONNECTOR 6FC9302-2AA 6FC93022AA USMT MILL CNC MACHINE

SIEMENS 6FC1113-6AA00 USPP 6FC11136AA00

ALLENBRADLEY1794-0B32PSERIESAFLEXI/OOUTPUTMODULE24VDC32POINT

ALLEN BRADLEY STD-815A NSPP STD815A

ABB LKE 8 800A Breaker 600V 800 Amp A BBC Micro Power Shield Type MPS 5G LSIG

Ziatech ZT8908 CPU 133 MHz Pentium 4Mb Flash 32 Mb DRAM Local Video Local HD

(U2-5) 1 NIB NORDSON 772003D CONTROL U2-5

MODICON 100-265-016 USPP 100265016

ALLEN BRADLEY 1387-B-B0A090-A2-B-F25 USPP 1387BB0A090A2BF2

GENERAL ELECTRIC DS3800HUMA1B1C USPP DS3800HUMA1B1C

FOXBORO 130F-N4 USPP 130FN4

SIEMENS 6ES7-414-2XG00-0AB0 USPP 6ES74142XG000AB0

SANYO DENKI 68AA150TFR02 USPP 68AA150TFR02

WERTH ENGINEERING 0220403 USPP 0220403

Siemens 6ES5 530-3LA12 COMMUNICATIONS PROCESSOR

Siemens CPU942F PN 6ES5 942-7UF14 FAILSAFE CPU NIB

SIEMENS 6ES5454-4UA13 6ES5 454-4UA13S5 454-4 Digital Output WARRANTY

Siemens 6ES5 376-0AA11 EPROM Module

Siemens S5 Interface Module w/ Memory Module

SIEMENS Contactor 3TC4417-0AB4 NIB

SIEMENS 505-9201 MICRO-REMOTE I/O MODULE 5059201

Square D 8030 HIM-161

Secutron MRI-502MU one Interface Module use with MTL3043 Isolator Mod.

WE SHIP SAME WS-X45-SUP7-E CISCO 1YR

Siemens 6FC5410-0AY03-1AA0 CPU810D CCV3.4

Siemens TP170B 6AV6545-0BB15-2AX0 Touchscreen Glass

Schneider Modicon TSXSAY100 Premium AS I Module TSX SAY 100

Schneider Modicon AS-BR85-110 Encoder Breakout Module ASBR85110

Schneider Modicon AS-B592-000 USPP ASB592000

Schneider Modicon AS-B875-101 Analog Input Module

Schneider Modicon AS-J375-010

Schneider Modicon AS-B872-002/ASB872002 Output Module OFFERS ACCEPTED

MODICON - EATON - IDT - PANELMATE - BOARD P/N 42-14360

Siemens 6ES7231-5PD30-0XB0 PLC Analog Input Module SM 1231 4AI RTD

Schneider Digital Input Block Fuse 140CFB03200 3436

Siemens HMI K-TP178 6AV6640-0DA11-0AX06AV6 640-0DA11-0AX0/Operator Panel/

SIEMENS Sinumerik 6FX1123-6AB00 Modules

Siemens Communication Module 6E55 254-4UB21 37346

SIEMENS 6SN1-123-1AB00-0BA1 POWER MODULE

SIEMENS 6SN1123-1AA00-0CA0 Version D Simodrive LT-Modul Int 50A 6SN11231AA000CA0

SIEMENS 6FC5203-0AF03-0AA0 | 12mo warranty | Free EU Shipping | Inc UK VAT

ALLENBRADLEYPLCCARDOUTPUTMODULECAT1746-0B16

Allen-Bradley - 1794-TB3S

ABB CPU Board 3HAB2241-1 DSQC325 #29414

Adept Technology 10154-66100 | 12mo | Free EU ping | Inc UK VAT

(5377) Honeywell Analog Output Redundancy Board 51304355-125

INDRAMAT MDD-090B-N-030-N2M-110PB0 NSFP MDD090BN030N2M11

UBE INDUSTRIES DDVC/HV-J1 USPP DDVCHVJ1

FANUC A06B-6053-H080 USPP A06B6053H080

DOMINO SCAN-MODUL-10MM USPP SCANMODUL10MM

RELIANCE ELECTRIC 57C-430 NSFP 57C430

NEMATRON CORP 54313 USPP 54313

MITSUBISHI FRZ240-11K-UL USPP FRZ24011KUL

Siemens 6ES5 410-7AA11 6ES54107AA11

Siemens 6ES5-788-7LB11 USPP 6ES57887LB11

SIEMENS 6ES5-377-0AA32/6ES5377-0AA32 XLNT

Siemens 6ES5 421-8MA12 -FS- 6ES54218MA12

Siemens S5 115U Prog Manual 6ES5 998-0UF8

Siemens 6SE7028-0ES87-2DA1 6SE7 028-0ES87-2DA1 FreeShip

Siemens USB/PPI+ USB PPI+ PLC Cable 6ES7 901-3DB30-0XA0

Siemens 6SE7024-1EB85-0AA0

Mitel 5448 PKM Dark Gray Programmable Key IP Module with Interface Module 5422

WS-X6748-GE-TX Cisco Express Forwarding 720 Interface Module Switch 48 ports -

Siemens 6ES7 331-7KF01-0AB0 6ES7331-7KF01-0AB0 NIB

Siemens PLC 6GK1 105-2AB10

Reliance 0-54323-2

Schneider Modicon Analog Output Module DAU202 AS-BDAU-202

Schneider Modicon AS-B231-501 USPP ASB231501

Schneider Modicon AS-P884-2237 POWER SUPPLY P884 170 WATT ASP8842237

Schneider Modicon AS-B807-132 Analog Input Module 125 VAC

Schneider Modicon AS-B357

MODICON PANELMATE MM-PMC2-100 MMPMC2100

SIEMENS SIMATIC ANALOG INPUT MODULE 6ES7 134-4JB50-0AB0

SIEMENS 6ES7 223-1BL22-0XA8 EM 223 CN I/O MODULE

Siemens Simatic 505-6204 4 CH Analog Output Module

SIEMENS 6DD1642-0BC012 mo. warrantyFree UK/EU ShippingPrice Inc UK VAT

SIEMENS 6DD1640-0AC0PC Board Assembly EM11

SIEMENS 6SN111-0AA01-1BA0 NSFP 6SN1110AA011BA0

SIEMENS SimoDrive 6SC6110-06B00 6SC611006B00

SIEMENS 820G Ram Card Circuit Board 6FC3984-4BM

Advantech ADAM-5068 ADAM5068 8-Channel Relay Output

Allen-Bradley 1771-OX Power Contact Output Module

ABB ACS501-030-4-00P2 AC DRIVE 40 H.P. ACS501030400P2

ACTUS POWER NPSA-2.5NN-40E3 USPP NPSA25NN40E3

6ES7416-2XK04-0AB0 Brand , Factory Sealed,

90 Watt Solar Powered 25 Foot Street Light

SQUARE D 8502-SGO2-V02S NSFP 8502SGO2V02S

CAMCO 300RPP90H24-2H24 USPP 300RPP90H242H24

BALDOR ZD18H420-EO USPP ZD18H420EO

MODICON MM-PMC3-100 NSFP MMPMC3100

KUKA 69-350-125 USPP 69350125

CUTLER HAMMER CN15SN2C USPP CN15SN2C

Siemens 6ES5 095-8MC02 6ES50958MC02

Siemens 6ES5-463-4UA12 USPP 6ES54634UA12

SIEMENS 6ES5 931-8MD11 6ES59318MD11

SIEMENS S5 6ES5 701 1LA12 6ES5 701-1LA12 Subrack ER1

Siemens Simulator Input Module 6ES5 490-75A11 WOW