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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。

Siemens6ES7322-1BL00-0AA0SM322OutputModule6ES7322-1BL00

SIEMENS A5E00159514 PANEL TOUCH SCREEN

SIEMENS 6DD1-688-0AD0 NSFP 6DD16880AD0

SPECTRUM 99002 POWER COMMUNICATIONS MODULE 5-PIN XLR

SIEMENS 6SN1146-1BB01-0BA2 SIMODRIVE 611 INFEED/REGEN. FEEDBACK MODULE

SIEMENS Sinumerik Operator Control Panel 6FC3808-3EF21

Advantech Axiom Axiomtek IPC-586VDHGX Card FS

Allen-Bradley SLC 500 complete rack c/w I/O modules and DeviceNET

ALLEN-BRADLEY 1771-IVN/C LOW TRUE OUTPUT MODULE SERIES C 10-30VDC

ABB ASEA BROWN PC BOARD BUS REPEATER SLAVE DSBC-173 57310001-KH/2 59802

ADEPT Cobra s800 robot

6SE7026-0TP70 SIEMENS COMPACT + MASTERDRIVE 59AMP 30kW 510-620VDC MOTION CTRL P2

HEWLETT PACKARD TEST & MEASURE 8504B USPP 8504B

SYMAX 8020-SCP-631 USPP 8020SCP631

CUTLER HAMMER ND312T36W USPP ND312T36W

CLEVELAND MOTION CONTROL M125-03084 USPP M12503084

NIKKI DENSO NPSA-ZMTA-101AE USPP NPSAZMTA101AE

MITSUBISHI FR-Z220-15KUL-20HP USPP FRZ22015KUL20HP

GE FANUC IC3600EPSB1 USPP IC3600EPSB1

Siemens 6ES5 246-4UA31 6ES52464UA31

Siemens 6ES5-470-8MB11/6ES5470-8MB11 OUTPUT MODULE NIB

SIEMENS 6ES5-306-7LA11 USPP 6ES53067LA11

SIEMENS S5 SERIAL INTERFACE 6ES5 521-8MA22

Siemens 6ES5 445-3AA12 MODULE MAKE OFFER

Siemens 6FC5370-0AA00-0AA0 SINUMERIK 802D /PCU 210.3

Siemens TP170B 6AV6545-0BB15-2AX0 6AV6 5450BB152AX0 NIB

Siemens 6ES5451-8MR12

Juniper Avaya TIM514 Analog Telephony Interface Module 90Day warranty Free Ship

ZARAK ABACUS BCG 81-01512-02 MODULE w/ ABACUS BRA Circuit Interface

Siemens 6ES7 211-0AA23-0XB0 6ES7211-0AA23-0XB0 FreeShip

Siemens OP17 6AV3617-1JC30-0AX1 Membrane Keypad

Philips PU40

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

Schneider Modicon AS-584A-034 USPP AS584A034

Schneider Modicon AS-M680-108 Module Memory Executive Cartridge 8K

Schneider Modicon AS-9490-006 USPP AS9490006

Schneider Modicon 800 SERIES 7 SLOT RACK AS-H819-007

Schneider Modicon TSX COMPACT DISCRETE INPUT MODULE AS-BDEP-216 LOT OF 3

Siemens TI 500-5055 32 Point AC Input Module 5005055

TELEMECANIQUE ATV-31H075M2A 0.75KW 220V NIB

SIEMENS SIMATIC SM422 DIGITAL OUTPUT MODULE S7-400 ++

SIEMENS 4700 POWER FUNCTIONS METER OPERATOR INTERFACE PANEL 4700-BDRMC3-11HN

SIEMENS Sinumerik 840C/840CE P/Supp 6FC5114-0AA01-1AA0

CC LINK COMMUNICATIONS MODULE MITSUBISHI FR-E5NC

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 6SN

SIEMENS Servo Drive 6FC5247-0AA00-0AA3 6FC52470AA000AA3

Advantech PCA-6184V, no ethernet port,

Allen-Bradley 2711-T6C15L1 Panelview 600

ABB 3HNE00313-1

ACCURAY AIC8 086155-001 SCANNER MODULE CARD CONTROLLER B211850

A2LA 17025 Accredited Calibration with full Data Report

82-1/2" OVER ALL LENGTH 2-1/4" DIAMETER BALLSCREW 55" TRAVEL 5-1/2" FLANGE

SIEMENS 6ES7-623-1DE01-0AE3 USPP 6ES76231DE010AE3

ASEA BROWN BOVERI 750191-001B NSFP 750191001B

ALSTOM ALSPA-MV-1013 USPP ALSPAMV1013

MICRO MOTION DL065-S242SU NSPP DL065S242SU

HUB CITY 88 NSFP 88

ALLEN BRADLEY 1774-KA USPP 1774KA

SIEMENS 6ES5-925-3SA11 USPP 6ES59253SA11

Siemens 6ES5-391-5AA13 USPP 6ES53915AA13

SIEMENS 6ES5 454-7LA11 6ES54547LA11

SIEMENS 6ES5 465-7LA13 Module

Siemens PLC 6ES5-451-4UA12/6ES54514UA12 Output

Siemens 6ES7 323-1BH01-0AA0 6ES7323-1BH01-0AA0 FreeShip

Siemens PLC 6ES7 338-4BC01-0AB0 6ES73384BC010AB0 NIB

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

GSM/GPRS Modem Pool 8 Ports USB interface Wavecom Module AT Commands Q2406

Unico 314-739 314739 Interface Module No Box

Siemens 6AV6 640-0DA11-0AX0 Touch Panel NIB

Siemens Logo 230RC 6ED1 052-1FB00-0BA3

MTT ms2304

Schneider Modicon Connector/Cable AS-W801-002/ASW801002

Schneider Modicon 800 SERIES AS-H827-103 11 PORT RACK ASH827103

Schneider Modicon AS-E685-904 USPP ASE685904

Schneider Modicon Gould AS-B804-016 PLC I/O Module

Schneider Modicon AS-B804-116

Schneider Modicon Output Module True High AS-B824-016

Schneider XBTGT5230 Touchscreen Glass

Schneider Modicon TSXPCX3030+ Optical Isolated Cable

SiemensSimatic6AV6641-0CA01-0AX16AV66410CA01

Siemens 6AV6642-0BC01-1AX0 6AV6 642-0BC01-1AX0 SIMATIC TP 177B 6" Touch Panel

SIEMENS SE47.1 6DD1681-0EH1 OPTICAL COUPLER MODULE

GE Fanuc IC697RCM711C 90-70 Redundancy Communication Module IC697RCM711-C

SIEMENS Simodrive Posmo A 1FK6032-2AF1 s/n 22253202 6SN2155-2BD10-1BAO

SIEMENS SINUMERIK 6FC5203-0AF01-0AA0 Membrane Keypad

SIEMENS Moore 63SD Differential Type Flow Controller

Allen-Bradley Panel View 600 Plus

AB 1336S-A030-AN-EN 30HP 240VAC VFD QUANTITY TESTED

ABB/Elmo motor on Irb 4400 Axis 1 #3hac5009-1

A06B-0333-B069#7000 FANUC AC SERVO SPINDLE REMANUFACTURED

75 HP ELECTRIC MOTOR 1200 RPM 405T FRAME TEFC SEVERE CRUSHER DUTY

RELIANCE ELECTRIC 770.91.10 USPP 7709110

ALLEN BRADLEY 2711-K14C10 USPP 2711K14C10

ALLEN BRADLEY 1771IF07 NSFP 1771IF07

HONEYWELL 30750540-001 USPP 30750540001

WESTINGHOUSE DBL-25-1600 USPP DBL251600

TEXTRON P8387-400011-51 USPP P838740001151

GENERAL ELECTRIC DS3800HLIA1B1D USPP DS3800HLIA1B1D

Siemens 6ES5-188-3UA12 USPP 6ES51883UA12

SIEMENS 6ES5 375-0LC31 6ES53750LC31

SIEMENS 6ES5-988-3NB11 NSFP 6ES59883NB11

Siemens 6ES5 931-8MD11

SIEMENS 6ES5 947-3UA22 6ES5947-3UA22

Siemens Micromaster 430 BOP 6SE6400-0BE00-0AA0 FreeShip

RELIANCE ELECTRIC 57C-443A USPP 57C443A

Texas Instruments 500-2151A

Spirent Adtech AX/4000 401382 OC3/12c L3 SM Interface

VG224 CISCO 24 PORT VOICE OVER IP ANALOG PHONE GATEWAY

Siemens C98043-A1605-L2

Modicon AS-W510-004

Schneider Modicon AUTOMATION AS-BDEP-215

Schneider Modicon DAP218 DAP 218/AS-BDAP-218 with DTA 201 RACK 30 DAY WARRANTY

Schneider Modicon AS-BDAP-204 ASBDAP204

Schneider Modicon AS-B872-011

Schneider Modicon ELECTRIC AS-BDAP-210

Schneider Modicon AS-W804-002 ASW804002 Aux Power Cable

Schneider Modicon 140CRA93100 in Box

Scosche FM-MOD02 Universal Audio Input FM Modulator

RELEASE SuperMicro X9DRL-IF Motherboard FULL MFR

Siemens 6ES7 132-4BB31-0AA0 OUTPUT MODULE 2POINT 2AMP 24VDC Lot of 2

SIEMENS SINUMERIK 840D/DE NCU 572.4 6FC5357-0BB23-0AE0 NIB

MODULE ASM-COMMUNICATION IN TERFACE/GENUINE GM PART 25990228 for EQUINOX 2009.

SIEMENS SIMODRIVE 611 BOARD 6SN1118-0DJ23-0AA0

SIEMENS SINUMERIK OP 010S 6FC5203-0AF04-0AA0 NIB

SIEMENS Caterpillar D6H & D6H LGP Parts Manual Book Cat Service 4RC 6FC

ALLEN-BRADLEY1756-OFCI/AOUTPUTMODULE1756-0FCI

Allen Bradley SLC 500 Output Module 1746-OX8 Ser. A

ABB ROBOT DSQC345B - RECTIFIER DC1 - 3HAB8101-2

A06B-0128-B575#7076 FANUC SERVO MOTORS REMANUFACTURED

0.1-1250 μm LPA-9Z Desktop Intelligent Laser Particle Size Analyzer Sizer

MODICON AS-M909-001 USPP ASM909001

ALLEN BRADLEY 1398-PDM-150B USPP 1398PDM150B

ADEPT TECH 10332-00500 USPP 1033200500

GE FANUC IC640WMI910 NSFP IC640WMI910

SIEMENS LMXD63B700 NSPP LMXD63B700

SIEMENS 6ES5-928-3UB12 USPP 6ES59283UB12

ALLEN BRADLEY 2755-DD1A-R1 NSFP 2755DD1AR1

Siemens 6ES5 928-3UB21 6ES59283UB21

Siemens SIMATIC 6ES5 926-3SA12

SIEMENS 6ES5-512-5BC12/6ES5512-5BC12 INTERFACE MODULE XLNT

Siemens 6ES5 441-4UA14/6ES54414UA14 Digital Input SEALED OFFERS ACCEPTED

SIEMENS 1FT6105-8SB71-1AA0 3-phase Brushless Servomotor

Siemens EM235 6ES7235-0KD00-0XA0 6ES72350KD000XA0

Schneider Digital Input Block Fuse 140CFB03200 3436

Square D 9006-PBF121

Siemens 6ES7460-0AA01-0AB0 SIMATIC S7-400 IM460-0 Transmitter Interface Module

WE SHIP SAME CISCO SLM2024T SG200-26 SLM2024T-NA 26PORT GIGABIT SMART

Siemens 6RA7018-6DV62-0-Z 6RA7018-6DV62-0 DC DRIVE

Siemens TP27-10 6AV3 627-1QL00-0AX0 Touch Glass, Bergquist Touch Products

Schneider Modicon TSX COMPACT DISCRETE OUTPUT AS-BDAP-210 4

Schneider Modicon ASBDAP210 AS-BDAP-210Compact output

Schneider Modicon AS-B825-016 NSFP ASB825016

Schneider Modicon MODULE AS-E908-131 S35D

Schneider Modicon AS-W192-015

Schneider Modicon AS-BZAE-204 HIGH SPEED COUNTER IN BOX FACTORY SEALED

SCHNEIDER TC2000 OPERATOR INTERFACE 3515 KPM PARTS/REPAIR BROKEN NOB

Siemens 6ES7 131-4BB00-0AA0 Digital Input Module 24 VDC /Un

RSP720-3CXL-GE Cisco Route Switch Processor 720-3CXL Router

SIEMENS D215 USPP D215

SIEMENS Sinumerik 840C 6FC5110-0BA01-1AA0 NC-CPU .

RTI CM-232 Serial Communication Module

SIEMENS 6SN1162-0EB00-0AA0 SIMODRIVE SHIELD CONNECTION PLATE 50MM

SIEMENS 6SC 6101-4A Simodrive Case -NO BOX

SIEMENS 6FC5-111-0CA02-0AA2 USPP 6FC51110CA020AA2

AllenBradley6182H-10TLH4DVersaViewCE1000HWorkstationPanel

Allen Bradley VersaView Display 17" to 19" Repair Service $169.99

ABB E3N-A20 600V 2000A PR112/P-A L/S/I/G INSULATED CASE CIRCUIT BREAKER

Adtech Spirent AX-4000 ATM Testing Solution AX4000

(H2-1) 1 EATON 92-00944-02 POWER SUPPLY H2-1

KENT TAYLOR 6202NZ10000B-1342 USPP 6202NZ10000B1342

ACUITY IMAGING 010-PV9040 USPP 010PV9040

FLUID POWER DIVISION PMC-20T NSFP PMC20T

FANUC A06B-0146-B675 USPP A06B0146B675

SENCON SC7000PLUS NSFP SC7000PLUS

RAYTHEON B34201-00-03-0 USPP B3420100030

REXROTH 3-842-999-903 NSPP 3842999903

Siemens 6ES5 460-7LA11 6ES54607LA11

Siemens 6ES5-928-3UA12 NSFP 6ES59283UA12

SIEMENS 6ES5-430-7LA12 USPP 6ES54307LA12

Siemens 6ES5 490-7LB21 -FS- 6ES54907LB21

Siemens S5 6ES5 464-8ME11 Analog Input

Siemens 802S 6FC5 500-0AA00-1AA0 Membrane Keypad

SIEMENS 6ES7 223-1BL22-0XA0 CTS7 223-1BL22-0XA0 EM 223 CO-TRUST I/O MODULE

Square D 8005 NLU-10

NORTEL 5295 SINGLE PORT HIGH SPEED SERIAL INTERFACE LINK MODULE 5295

WS-F6K-DFC3A DIST FWD CARD-3A FOR 65XX 6816 MODULES WITH SUP720

SIEMENS 6ES7151-1AA03-0AB0

Siemens SCD 1597-ET1 6AV8100-1BB00-0AA1

Reliance 45C966

Schneider Modicon GOULD B805 AS-B805-016 INPUT MODULE 115 V AC

Schneider Modicon AS-B353-000 NSPP ASB353000

Schneider Modicon AS-S908-022 REV.B REMOTE I/O MODULE RECONDITIONED

Schneider Modicon AS-B883-200 Thermocouple Input AS-B883-200

Schneider Modicon AS-B807-032 120VAC Input ASB807032

MODICON AS-BDAP-209 OUTPUT MODULE 8PT 115 VOLT AC

SIEMENS MODULE DIGITAL INPUT 505-4216A 5054216A

Siemens 6ES5 451-4UA13 6ES54514UA13

Siemens PLC Output Module 6ES7 132-4HB01-0AB0 6ES71324HB010AB0 NIB

SIEMENS CPU 6DD1607-0AA0 6DD16070AA0 FM 458 FM458

Unico 100-732 3 1007323 Communication Module 100-732.3 -

SIEMENS 6SN1118-0DG21-0AA1 _ 6SN11180DG210AA1 version B

SIEMENS Simodrive 611 6SN1118-0DJ21-0AA0 6SN1 118

SIEMENS 6FC5500-0AA11-2AA0 Membrane Keypad 6FC5 500-0AA11-2AA0

ADVANTECH PCL-711B REV A1+ PCLD-7115 REV A1

ALLEN-BRADLEY 1770-T12 PLC-4 Microtrol Programmer WOW

ABB AUTOMATION Machine Terminal REM543CM216AAAA

ADEPT PA-4 30336-31000 POWER SUPPLY RACK 4 S 3033631000

6SE7090-0XX84-0AB0 SIEMENS CUVC (VECTOR CONTROL) CONTROL BOARD FOR MASTERDRIVE

HONEYWELL 51304362-150 USPP 51304362150

SYMAX 8030-RIM-123 USPP 8030RIM123

CUTLER HAMMER SV9IOC100 NSFP SV9IOC100

CONTROL TECHNIQUES 115DSA300T USPP 115DSA300T

OLEC AL-53 USPP AL53

MITSUBISHI Q12H-CPU USPP Q12HCPU

GENERAL ELECTRIC 531X111PSHAPG2 USPP 531X111PSHAPG2

Siemens 6ES5 265-8MA01 HIGH SPEED SUB CONTROL N BOX

Siemens 6ES5-484-8AB11/6ES5484-8AB11 INPUT MODULE XLNT

SIEMENS 6ES5-312-3AB32 USPP 6ES53123AB32

Siemens 6ES5375-0LC11 6ES5 375-0LC11S5 MS375 Memory Submodule 2KB

Siemens 6ES5 535-3LB12 6ES5353LB12

Siemens 6FR2490-0AH11 99% , opened box, FreeShip

Siemens TP177 6AV6640-0CA11-0AX1 Touch Glass ping

Siemens 6ES5466-8MC11

KALATEL INTERFACE MODULE