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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。

SIEMENS 6ES5374-0BA11 6ES5 374-0BA11S5 MS 374 EPROM Memory Submodule

SIEMENS S5 6ES5 267-8MA11 6ES52678MA11

Siemens 6ES5 445-3AA11 Output Module 6ES54453AA11

Siemens 6ED1055-1MM00-0BA1 6ED1 055-1MM00-0BA1 in Box

Siemens RWD62 Controller RWD62/CN #1

SCHNEIDER DISCRETE VDC/VAC OUTPUT DAP 218/AS-BDAP-218

Telemecanique TSXDST1604

Tripp Lite B078101PS2 PS/2 Server Interface Module B078-101-PS2

WS-C2960-24TC-S CISCO 2960-24TC SWITCH- W/1YR - WSC296024TCS Fast

SIEMENS 6ES7-331-7PF00-0AB0 6ES7331-7PF00-0AB0

Siemens Sinumerik 802S 802C Mechanical Keypad

Scharer 19pc10-1

Schneider Modicon ASM84A002 Perfect Controller Module AS-M84A-002

Schneider Modicon AS-B553-101 USPP ASB553101

Schneider Modicon AS-W801-012 USPP ASW801012

Schneider Modicon AS-BMOT-201/ASBMOT201

Schneider Modicon AS-B828-016 5 VTTL Output TH ASB828016

Modicon AEG MM-PMC2-100 Industrial Computer XLNT

SIEMENS DIGITAL INPUT MODULE 6ES5421-8MA12 SEALED

SFP-10G-LR LONGLINE 10GBASE-LR SFP MODULE FOR CISCO

Siemens OP1S 6SE7090-0XX84-2FK0 6SE7 0900XX842FK0

SIEMENS Sinumerik 6FC5114-0AA02-0AA2 E.Stand A 840C Central Service Board

STANDARD COMMUNICATIONS CELLULAR MODULE CMM7700-511

SIEMENS 6SN1123-1AA00-0AA1/6SN11231AA000AA1 LT-MODXLNT

SIEMENS 6SN2155-0AA10-1BA1 SIMODRIVE SERVO MOTOR w/STOBER C002G0560MT10 SERVOFIT

SIEMENS 6FC5-247-0AA11-0AA1 USPP 6FC52470AA110AA1

Advantech TPC-650 display panel

ALLEN-BRADLEY 160-P1 PROGRAMMING TERMINAL KEYPAD ""

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88255

ADEPT TECH 10332-48712

(2) ALLIS-CHALMERS AIR CIRCUIT BREAKERS LA-600F 600 VOLTS 600 AMPS

INDRAMAT DDS2.1-W/200-D USPP DDS21W200D

TELEMECANIQUE TSX-RAM-51216 USPP TSXRAM51216

EUROTHERM DRIVES 590C/0350/6/3/0/1/0/00/000 USPP 590C035063010000

CUTLER HAMMER DH365FRK NSFP DH365FRK

RELIANCE ELECTRIC 0-52850 NSFP 052850

MODICON MM-PMA1-100 USPP MMPMA1100

IRCON MR601510F10/000 USPP MR601510F10000

Siemens 6ES5 318-8MC12 6ES53188MC12

Siemens 6ES5-544-3UA11 USPP 6ES55443UA11

SIEMENS 6ES5-375-0LA21 USPP 6ES53750LA21

Siemens 6ES5 375-0LA15 -- 6ES53750LA15

Siemens AG01 ADAM ADAM-4520 RS-232 TO RS-422 / RS-485 CONVERTER

Siemens 6RA70 C98043-A7010-L2 Card

Siemens TP270-6 6AV6 545-0CA10-0AX0 Touchscreen Glass

Siemens 6ES5981-0HA11

Lucent 72 Port ADSL DMT Line Interface Module STGR-LIM-AD-72

YAMAHA M7CL-48ES Digital Mixer

Siemens 6ES7 231-7PB21-0XA0 6ES7231-7PB21-0XA0 FreeShip

SIEMENS OP7 6AV3607-1JC20-0AX1

Reliance 0-51829-1

Schneider Modicon AS-B579-001 COUNTER MODULE HI-SPEEDINCOMPLETE

Schneider Modicon AS-9508-000 USPP AS9508000

Schneider Modicon AS-P421-112 USPP ASP421112

Schneider Modicon AS-B551-000 NSPP ASB551000

Schneider Modicon AS-884A-311 Processor Module AS884A311 UVG

Modicon Square D XBT P022110 XBTP022110 Oper Interface

Siemens Simatic S5 Input Module 6ES5 430-7LA11 6ES54307LA11

Siemens 6ES7 331-7SF00-0AB0 SIMATIC SM 331 ANALOG INPUT

Siemens Simatic OP37 Operator interface Computer 6AV3637-1MLOO-OFXO

SIEMENS 1P 6FC5247-0AA00-0AA2 Sinumerik 840D NCU-BOX 13A 6FC52470AA000AA2 UEX

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

SIEMENS 6SN1123-1AA00-0BA0

SIEMENS SIMODRIVE 6SN1123 6SN1123-1AA00-0DA2 611 611U

SIEMENS CONTROLLER CARD 6FC5357-0BB11-0AE0

Advantech TPC-1260TE

ALLEN-BRADLEY 2711-B5A2 Panelview 550 Series F ! WOW !

ABB ACH 500 VARIABLE FREQUENCY DRIVE

Acterna JDSU TTC T-BERD FST-2000 FST-2510 FST 2510 Gig

6ES7147-2AB01-0XB0 Brand , Factory Sealed,

86001970Y ALLEN BRADLEY CONTROLLERS REMANUFACTURED

SIEMENS 6SE7-034-6EE85-1AA0 USPP 6SE70346EE851AA0

BALDOR ID15H230-EO USPP ID15H230EO

ATLAS COPCO D312-DS7 USPP D312DS7

MODICON AS-884A-101 NSFP AS884A101

INDRAMAT TVM2.1-050-W1-115 USPP TVM21050W1115

BARBER COLMAN GCM-84211-001 USPP GCM84211001

YAMAHA S028M72030000 NSFP S028M72030000

Siemens 6ES5-451-7LA12/6ES5451-7LA12 OUTPUT MODULE NIB

SIEMENS 6ES5 726-0BF00 6ES57260BF00

SIEMENS S5 6ES5 441-8MA11 W/Bus Module700-8MA11

Siemens S5 Memory Submodule 6ES5 376-0AA11 37355

SIEMENS 6ES7-133-0BH01-0XB0 6ES71330BH010XB0 FreeShip

Siemens S7-300 CPU314 6ES7 314-1AF10-0AB0

Siemens 3VU1300-0MH00

HORNER GENIUS INTERFACE MODULE HE300GEN100J HE-300GEN100J

WEIDMULLER RS-SCI INTERFACE MODULE

Siemens 6ED1055-1MM00-0BA1 6ED1 055-1MM00-0BA1 in Box

Siemens LOGO! AM2 PT100 6ED1 055-1MD00-0BA0

Omron C1000H-CPU01-E2V1

Schneider Modicon AS-J470-000 USPP ASJ470000 PROGRAMMING ADAPTER

Schneider Modicon #AS B828-016 OUTPUT MODULE 5VDC 16 PT

Schneider Modicon AS-H827-209 USPP ASH827209

Schneider Modicon MODICON/ AS-B805-016 INPUT MODULE 115VAC XLNT

Schneider Modicon AS-H827-103

Schneider Modicon Subrack AS-HDTA-200

TELEMECANIQUE TSX-AEY-1600 TSXAEY1600

Schneider Telemecanique TSXP57452

SIEMENS TI305-05T SIMATIC TI OUTPUT MODULE TI-305-05T TI30505T REPAIRED

Siemens 6AV3515-1MA32 OP15C2 6AV35151MA32 Fast Shipping

SIEMENS SINUMERIK 6FX1118-1AA02 GOOD TAKEOUT

FieldServer FS-RA-CLX-BAS-406 BACnet/IP Communication Module PS56-BAS-406 XLNT

SIEMENS SIMODRIVE RACK 6SC 6101-3A-Z

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576S

SIEMENS 74G VALVE POSITIONER (B89)

Allen-Bradley AB 2706-E43J64B1 DataLiner DL40 PLC Operator Interface

ABB ( SIEMENS ) 3HAB6621-1 SERVO MOTOR 1FK6083-6AZ21-9ZZ9-Z-S03 NIB

AC TECH VFD2 M15150B

A06B-6050-H005 FANUC SERVO AMPLIFIER

8 Aluminum Tensionable Screen Frames & Cart

ROOTS I056527-200 NSFP I056527200

ALLEN BRADLEY 6180-FLIEHLDZHZZ NSFP 6180FLIEHLDZHZZ

ALLEN BRADLEY 2711P-K10C4D1 USPP 2711PK10C4D1

INDRAMAT TDM2.1-030-300-W1 USPP TDM21030300W1

YOKOGAWA DX204-2-2/BT11M1 NSFP DX20422BT11M1

XYCOM 98500-001 NSFP 98500001

LENZE E94ASHE0044 USPP E94ASHE0044

Siemens 6ES5-300-5CA11 NSFP 6ES53005CA11

SIEMENS 6ES5 420-4UA14 -FS- 6ES54204UA14

SIEMENS S5 6ES5 300-5CA11 IM 300 Interface Module

Siemens CPU Modular Power Supply 6ES5-951-7LB14 WOW

Siemens 6ES7 212-1BB23-0XB0 6ES7212-1BB23-0XB0 FreeShip

Siemens OP27 6AV3 627-1JK00-0AX0 Membrane Keypad

RELEASE SuperMicro X9DRT-F MB ※Check W/ Us for Availability FIRST※

Texas Instruments 560-2820

Tektronix 80A03 TekConnect Probe Interface Module

TV One C2-8160 Corio2 10x2 DVI-U Aud Seamless Switcher

Siemens DCS Module 6DS1140-8AA in box, seal opened

Modicon MM-FM94-OWD

Schneider Modicon TSX Compact Discrete Input-DEP 218/AS-BDEP-218

Schneider Modicon ASB875114 Analog Input Module AS-B875-114

Schneider Modicon AS-BDKV-022 NSPP ASBDKV022

Schneider Modicon AS-BDEP-297 Discreet Input 16x48 VDC ASBDEP297

Schneider Modicon -AS-884A-311

Schneider Modicon DTA 201/AS-HDTA-201 Secondary Subrack 5 slot PLC TSX SEALED

Schneider Telemecanique Modicon TSX3721001

Schneider DEP218/AS-BDEP-218 Input Module 115VAC 16pt

PWR-C49M-1000AC 4900M AC POWER SUPPLY 1000 WATTS

SIEMENS 6ES5-451-4UA13/6ES5451-4UA13 OUTPUT MODULE XLNT

SIEMENS 6DD-1610-0AG1 USPP 6DD16100AG1

Mercedes Benz BQ4820124 Motorola Communication Module

SIEMENS SIMODRIVE 6SN1123-1AA02-0FA0

SIEMENS SINUMERIK 840D 6FC5210-0DA00-1AA16FC5203-0AB12-0AA1 MMC-100 HMI

SIEMENS /MOORE 16201-1/7 SDM MARSHALLED TERMINATION ASSEMBLY 1620117

Allen-Bradley SLC 500 Output Modules 1746-0B16 Ser D

ALLEN BRADLEY RV4NAYSD254A USPP RV4NAYSD254A

ABB S4C IRB1400 robot 250L and 750L welding cell MUST SEE Flexarc dual L

A06B-0148-B075#0075 FANUC SERVO MOTORS REMANUFACTURED

08114-66504 Power supply unit for Agilent / HP 8114A Pulse Generator

OMRON V530-R150EP-3 NSFP V530R150EP3

ALLEN BRADLEY 1756-M3 USPP 1756M3

ALLEN BRADLEY 1336S-B007-AA-EN4-GM1-HA2 USPP 1336SB007AAEN4G2

GENERAL ELECTRIC DS200RTBAG3AEB USPP DS200RTBAG3AEB

TAYLOR ELECTRONICS 2021WZ10107A USPP 2021WZ10107A

SQUARE D 8536-SGO1-V03 USPP 8536SGO1V03

COMPUMOTOR 2100-2-S USPP 21002S

Siemens 6ES5 951-7LB21 6ES59517LB21

Siemens SIMATIC S5-135/155 CPU948 6ES5948-3UA12 6ES5 948-3UA12 PROCESSOR

SIEMENS 6ES5-733-7BD20 USPP 6ES57337BD20

Siemens 6ES5 497-4UB31 USPP 6ES54974UB31

SIEMENS 6AV6545-0AG10-0AX0 MP270B-10" Touch Glass

Siemens LOGO 24RC 6ED1 052-1HB00-0BA3

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

Telemecanique TSX DEF 804

SIEMENS SIMATIC 6ES5304-3UB11 INTERFACE MODULE 6ES53043UB11

Wago 750-644 Bluetooth I/O Module

SIEMENS 6SE7090-0XX84-1FK0 Simovert Master Drives Testbox in Box

Modicon AS-P371-002

Schneider Modicon Lexium LXM 17D 4A Servo Drive AS MHDA1004A00

Schneider Modicon ASB821008 UNIT Gould 10-60 VDC Input Module AS-B821-008

Schneider Modicon AS-B872-200 USPP ASB872200

Schneider Modicon 24VDC 32 POINT INPUT MODULE MODEL AS-B827-032

Schneider Modicon DISCRETE INPUT AS-BDEP-216 ~ QTY X 6

Schneider Modicon AS-J812-000 Remote I/O adapter J812

Schneider Electric MPCKT55NAX20N Magelis Compact PC 15 Inch Touchscreen

Siemens 6ES5 421-8MA12 Digital Input Module NIB

Rev 1.1 SuperMicro H8DAE-2 Bulk Pack MB Support Dual Core CPU

SIEMENS 9510DC-1156-AEZA/9510DC1156AEZA ION ACCESS DISPLAY NIB

SIEMENS Sinumerik Module 6FX1120-5BA01 E Stand E & 00

ProSoft Technology 3150-MCM Modbus Communication Module SLC-500 1747-KE

SIEMENS FILTERMODULE POSMO 6SN2414-2TX00-0AA1

SIEMENS SINUMERIK 802D 6FC5603-0AD00-0AA1 6FC56030AD000AA

SIEMENS 6FC3984-3RA 6FX1124-6AD02 I/O Module - Used

AllenBradley2711-B6C10/C2711B6C10

Allen Bradley Terminal Keyboard 1770FD PLC Overlay 1770-KBA PN 610716-01

ABB IRB 7600 SER 76-27020 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Research - System 31-05 - 30A Ground Bond w/ 5kVAC HiPot Testing Units

(Q7-1) 1 ALLEN BRADLEY 1336F-B030-AN-EN-HAS2-LA2-L6-MX3 FREQUENCY CONTROL Q7-1

MICROSWITCH 82114805-501 USPP 82114805501

ALLEN BRADLEY 1336S-B030-AA-EN-HA1-L6 USPP 1336SB030AAENHA1

GENERAL ELECTRIC 193X-530BBG01 NSFP 193X530BBG01

FANUC A20B-0010-0100 USPP A20B00100100

SIEMENS 6ES5-512-5BC21 NSFP 6ES55125BC21

RELIANCE ELECTRIC 9101-0378 USPP 91010378

STI MS4460B-2-X USPP MS4460B2X

Siemens 6ES5 482-7LF11 6ES54827LF11

Siemens 6ES5-955-3LC14 USPP 6ES59553LC14

SIEMENS 6ES5-451-4UA11 6ES54514UA11 DO

Siemens 6ES5 306-7LA11/6ES5306-7LA11 INTERFACE MODULE RFB

Siemens S5 Digital Input / 6ES5 421-8MA12 8xDC

SIEMENS C98043-A7001-L2 6RA70 CUD1 CONTROL BOARD

Siemens 6ES5 451-4UA13 -FS- 6ES54514UA13

Square D 8030 CRM-232

Samsung Samsung DCS SIM Serial Interface Module KT40D-B10-XAR 1-year warrty

WOODWARD NETCON 5000 5466-031 REV D I/O CONTROLLER

Siemens 6ES7431-7QH00-0AB0 6ES7 431-7QH00-0AB0

Siemens Supply Fuse 3NA3820-2C 50A

Schleicher USP 2A U 31507501 622 114

Schneider Modicon ASHDTA201Compact Subrack AS-HDTA-201

Schneider Modicon AS-B558-001 USPP ASB558001

Schneider Modicon AS-W922-008 NSFP ASW922008

Schneider Modicon AS-C484-266 ASDC484266 Programmable Controller

Schneider Modicon AS-B833-016 / B833 / ASB833016 =

Modicon 864 Register Output Module AS-B864-001

SIEMENS Analog Input Module 6ES5465-4UA13 NIB Opened

SCHNEIDER TSXDMZ28DR TSX MICRO PLC I/O MODULE QUANTITY

SIEMENS MOORE PRODUCTS 15853-12-1 LINK FACE BOARD NNB

SIEMENS Sinumerik 6FC9302-2BB-01 Terminal Blocks.

Singer CSM-1 Communication Service Monitor

SIEMENS 6SN1123-1AA00-0CA1 Simodrive LT-Module INT.50A Version A

SIEMENS 6SN1145-1BA01-0BA1 SIMODRIVE UIB

SIEMENS 6FC5235-0AA05-1AA2 FLOPPY DISK DRIVE BOX IPC SINUMERIK EXTERNAL

Allied Electronics Crydom 691-0140 G40DC5 Logic Module G4 DC Output 60VDC 3A

ALLEN-BRADLEY 1400E 2711E-K14C6 SER A REV B PANELVIEW TERMINAL