国产精品久久久久久久久,四季AV一区二区夜夜嗨,日韩精品无码中文字幕电影,www.五月婷婷.com

2098-DSD-HV030-DN現(xiàn)貨 in stock! 歡迎來電咨詢~！！

DCS系統(tǒng)在工業(yè)生產(chǎn)過程的廣泛應用，使可靠性、穩(wěn)定性問題更加突出，也使人們對整個系統(tǒng)要求越來越高。人們希望DCS系統(tǒng)盡量少出故障，又希望DCS系統(tǒng)一旦出現(xiàn)故障，能盡快診斷出故障部位，并盡快修復，使系統(tǒng)重新工作。下面簡單介紹故障大體分類及故障診斷的一般方法。
　　一、DCS系統(tǒng)故障的分類
　　為了便于分析、診斷DCS系統(tǒng)故障發(fā)生的部位和產(chǎn)生原因，可以把故障大致分為如下幾類。
　　1、現(xiàn)場儀表設備故障
　　現(xiàn)場儀表設備包括與生產(chǎn)過程直接聯(lián)系的各種變送器、各種開關、執(zhí)行機構、負載等。現(xiàn)場儀表設備發(fā)生故障，直接影響DCS系統(tǒng)的控制功能。在目前的DCS控制系統(tǒng)中，這類故障占絕大部分。這類故障一般是由于儀表設備本身的質量和壽命所致。
　　2、系統(tǒng)故障
　　這是影響系統(tǒng)運行的全局性故障。系統(tǒng)故障可分為固定性故障和偶然性故障。這類故障一般比較明顯且影響也是局部的，它們主要是由使用不當或使用時間較長，模板內元件老化所致。
　　3、硬件故障
　　這類故障主要指DCS系統(tǒng)中的模板(特別是I/O模板)損壞造成的故障。這類故障一般比較明顯且影響也是局部的，它們主要是由使用不當或使用時間較長，模板內元件老化所致。
　　4、軟件故障
　　這類故障是軟件本身所包含的錯誤所引起的，軟件故障又可分為系統(tǒng)軟件故障和應用軟件故障。系統(tǒng)軟件是DCS系統(tǒng)帶來的，若設計考慮不周，在執(zhí)行中一旦條件滿足就會引發(fā)故障，造成停機或死機等現(xiàn)象。此類故障并不常見。應用軟件是用戶自己編定的。在實際工程應用中，由于應用軟件工作復雜，工作量大，因此軟件錯誤幾乎難以避免，這就要求在DCS系統(tǒng)調試及試運行中十分認真，及時發(fā)現(xiàn)并解決。
　　5、操作、使用不當造成故障
　　在實際運行操作中，有時會出現(xiàn)DCS系統(tǒng)某功能不能使用或某控制不封不能正常工作，但實際上DCS系統(tǒng)并沒有毛病，而是操作人員操作不熟練或操作錯誤所引起的。這對于初次使用DCS系統(tǒng)的操作工較為常見。

Allen Bradley SLC-500 Input Module 16-Point 1746-IA16

ABB Model S504-200-4-OOPO AC Adjustable frequency Drives with controllers.

ADVANCED FASTENING FWA10486 SPINDLE PROCESSOR CSS 91 183 SIEB & MEYER 43.11.03

(7341) ABB PC Board Driver Axis Card DSQC266C (7341)

88 Current Cable Puller w/Chains = Greenlee 6801 NIB

MODICON AS-D004-040 USPP ASD004040

ALLEN BRADLEY 1395-B73N-C2-P50 USPP 1395B73NC2P50

ACCURAY 067452-003 USPP 067452003

GE FANUC IC600CB526 NSFP IC600CB526

SIEMENS A1-106-150-500 USPP A1106150500

SIEMENS 6ES5-450-3AA11 USPP 6ES54503AA11

ALLEN BRADLEY 20A-D011A3AYNANC0 USPP 20AD011A3AYNANC0

Siemens 6ES5 928-3UB11 -- 6ES59283UB11

Siemens SIMATIC 6ES5 095-8MA04 S5-95U Analog & Digital

SIEMENS 6ES5-491-0LD11 USPP 6ES54910LD11

Siemens 6ES5 435-7LA11/6ES5435-7LA11 INPUT MODULE XLNT

Siemens 12/24RC 6ED1 052-1MD00-0BA6 NIB +LOGO PC RS232 Cable

Siemens EM231 6ES7 231-7PD21-0XA0 6ES7231-7PD21-0XA0

Schneider Input Module 8CH 140 ATI 03000 2761

Square D 8997 EQ-5210 SMB-10

Siemens 6ES7 151-1AB00-0AB0 Interface Module ET 200S Simatic S7 Profibus-DP

WE SHIP SAME CISCO WS-C2960-24LC-S CATALYST 2960-24LC SWICTH 1 YEAR

Siemens 6RA28 Power Board C98043-A1663-L

SIEMENS TP270-10 6AV6 545-0CC10-0AX0 Touch Glass

Schneider Modicon TSX A120 AS-BDEP-218 DISCRETE INPUUT MODULE S16B

Schneider Modicon AS-BDAP-216NGUARANTEED ASBDAP216N

Schneider Modicon AS-B824-016 IN BOX

Schneider Modicon #NAME

Schneider Modicon AS-S902-171 USPP ASS902171

Schneider Modicon AS-BDEP-218 TSX Discrete Input Card Module

Schneider Telemecanique Magelis Terminal XBTGT4330

Siemens 6ES7 131-4BD01-0AA0 Input Module Qty 5

Rupert Neve Designs Portico 5042-H True Tape Emulation and Line Driver

Siemens Digital Output Module 6ES5 521-8MA21 Version 1 Appears to be

SIEMENS SINUMERIK 820 T 6FX1121-4BA03 TESTED WARRANTY

Schneider Automation TSXSCM2116 Communication Module

SIEMENS 6SN1162-0BA02-0AA2 RADIAL GEBL AESE COOLING FAN

SIEMENS 6SC6100-0NA01 6SC6100-ONA01 6SC61OO-ONAO1 6SC6 100-0NA01 SIMODRIVE Board

SIEMENS 6FC5-111-0CA70-0AA0 USPP 6FC51110CA700AA0

AllenBradley6189-1BZL104TA/ADisplayTouchscreenAssemblyVersaView1000P

ALLEN BRADLEY W35 NSPP W35

ABB DSQC314B REMAN. DSQC 314B

AD-TEC,ADTEC AX-2000 EUII,2KW PLASMA RF GENERATOR,POWER 13.56Mhz

(Excellent) ERICSSON FSU 995 FA FUSION SPLICER w/ P/S, Manual,Floppy, Cable ++

JOSLYN CLARK VC31U03415-76 USPP VC31U0341576

ACTUS POWER NPSA-102M4-E9BS NSPP NPSA102M4E9BS

FISHER ROSEMOUNT CL6003X1-A3 USPP CL6003X1A3

FANUC A05B-2301-C300 USPP A05B2301C300

SABINA ELECTRIC 64487-4/D9590140250 USPP 644874D959014025

POWERTEC INDUSTRIAL MOTORS INC F184Y1J1N091000 USPP F184Y1J1N091000

RELIANCE ELECTRIC 45C-37B USPP 45C37B

Siemens 6ES5 458-7LB11 6ES54587LB11

Siemens 6ES5-926-3SU11 USPP 6ES59263SU11

SIEMENS 6ES5-430-4UA13/6ES5430-4UA13 32 PT INPUT NIB

Siemens 6ES5 466 8MC11 SEALED BOXED

Siemens S5 6ES5 451-8MA11

Siemens 7SJ6005-4EA00-1DA0/BB Overcurrent Protection

Siemens 6ES7 321-7RD00-0AB0 -FS- 6ES73217RD000AB0

Square D 8005 AN-108

NICE LOT TELEMECANIQUE ABE7-H16R50 INTERFACE MODULE PLC 24V

WS-SUP720-3B Cisco Supervisor Engine 720 with PFC3B Control processor

SIEMENS 6ES7090-0XX84-0FF0

Siemens S7-200 EM231 6ES7231-7PD22-0XA0 AI4xTC FreeShip

Reliance 45C63

Schneider Modicon GOULD PROGRAMMABLE CONTROLLER AS-584L-251 115V

Schneider Modicon AS-B351-001 NSFP ASB351001

Schneider Modicon AS-S908-000 ASS908000 I/O Processor Module Rev B1

Schneider Modicon AS-B875-101 High Speed Analog Input Module ASB875101

Schneider Modicon AS-B805-016 Input Module Lot of 10

MODICON B552 OUTPUT MODULE

Siemens PLC Input Module w/ Base 6ES5 421-8MA12

Siemens 6ES5 460-4UA11 6ES54604UA11

Siemens Programmable Controller 305-04B/05B _ 30504B05B _ T1305-05B _ TI305-05B

SIEMENS 6FX1122-8BD04 6FX11228BD04 SINUMERIK 805SM Digital Output Module

WELLS FARGO SIEMENS 5343-1 ^ APT-2 MUX COMMUNICATIONS MODULE MULTIPLEX

SIEMENS 6SN1-118-0BJ11-0AA0 USPP 6SN11180BJ110AA0

SIEMENS SIMODRIVE 611 6SN1118-0NK00-0AA2

SIEMENS 6FC5503-0AD00-0AA0 Free Shipping Worldwide

Advantech PCA-6741 PCA-6741L Card

Allen-Bradley 17710AD Series C AC Output Module

ABB ASEA CIRCUIT BOARD CARD DSMB127 DSMB 127 OK 57360001-HG/2 2668 184-584/2

ADEPT EXC ROBOT CONTROLLER 90400-81021

6SE7031-2EF60 SIEMENS MASTERDRIVE 124AMP 55kW 380-460VAC 3PH VECTOR CONTROL

HOMAG GRUPPE 2-083-02-7006 USPP 2083027006

SYMAX 8020-SCP-724 NSPP 8020SCP724

CUTLER HAMMER S801N66P3B NSFP S801N66P3B

COMPUMOTOR 4000 USPP 4000

NORTEL NETWORKS NTVQ01BB USPP NTVQ01BB

MITSUBISHI K3N-CPU USPP K3NCPU

GE FANUC IC655CPU500 USPP IC655CPU500

Siemens 6ES5 254-4UA21 6ES52544UA21

Siemens 6ES5-476-3AA11 USPP 6ES54763AA11

SIEMENS 6ES5-310-3AB11/6ES5310-3AB11 INTERFACE MODULE XLNT

SIEMENS S5-100U digital b 6ES5 430-8MD11

Siemens 6ES5 454-4UA13 6ES5454-4UA13

Siemens 6fc5503-0ac00-0aa0 802S

Siemens TP170B 6AV6545-0BC15-2AX0 Touch Glass worldwide

Siemens 6ES5454-7LA12

Juniper Networks 710-001889 4-Port Fast Ethernet 100BASE-TX Interface Module

Zoom R24 Multi-Track Recorder Interface DVD Tutorial

Siemens 6ES7 212-1AB23-0XB0 6ES7212-1AB23-0XB0 FreeShip

Siemens OP177B 6AV6642-0DC01-1AX0 Touchscreen Glass

Pizzato FR-502

Schneider Modicon AS-B865 PLC

Schneider Modicon AS-584A-320 PLC Controller

Schneider Modicon AS-M680-116 USPP ASM680116

Schneider Modicon AS-9491-003 USPP AS9491003

Schneider Modicon 984 Series 11 Slot Chassis - AS-H827-209

Schneider Modicon AS-W802-012 NIB warranty

Siemens TI 16 PT. 24/48 VDC INPUT MODULE 500-5013

TELEMECANIQUE ATV71HU55N4Z ATV71

Siemens Simatic S7 TD200 5129

SIEMENS 3SB06-P NSPP 3SB06P

SIEMENS Sinumerik 840D Battery 6FC5247-0AA06-0AA0

Brand Sealed H0-ECOM100 Automation Direct PLC Communication Module

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 [3]

SIEMENS SERVO DRIVE 6FC5247-0AA00-0AA2

Advantech PCA-6278 PCA-6278V

Allen-Bradley 2711-T10C1 PanelView 1000 Series D

ABB 3HXD0100-102 IRBT2002S, IRBT1402S 7th Axis Track Drive Unit with Servo Motor

Accu-sort Model 22, 20 & 10 Barcode Scanner system Demo test kit EM-50 GP 018H,

A4001-N ESD Target Attenuator Cable Set IEC 61000-4-2 V2009 Calibrated

8307861110 MARPOSS E78 BALANCER

SIEMENS 6ES7-650-2AX02-0BX0 USPP 6ES76502AX020BX0

ASEA BROWN BOVERI DPH-07551 NSFP DPH07551

ANDA NETWORKS 645-420 NSFP 645420

MITSUBISHI A3A-CPU-P21 NSFP A3ACPUP21

IMPULSE 460AFD3-G USPP 460AFD3G

ALLEN BRADLEY 20AD022A1AYNANNN USPP 20AD022A1AYNANNN

SIEMENS 6GK1-143-0AA01 USPP 6GK11430AA01

Siemens 6ES5-415-7AB11 NSFP 6ES54157AB11

SIEMENS 6ES5 461-8MA11 6ES54618MA11

SIEMENS 6ES5 488-3LA31

Siemens PLC 6ES5-788-8MA11/6ES57888MA11

Siemens 6ES7 332-5HD01-0AB0 6ES73325HD010AB0

Siemens PLC CPU 221 6ES7 211-0BA23-0XB0 CPU221 NIB FS

PVDM3-192 CISCO 192-CHANNEL VOICE AND VIDEO DSP MODULE

H3C 0231A47Q 48-Port 10/100BASE-TX Interface Module B JC026A

UPB Simply Automated UMCDB9W Serial Interface Module

SIEMENS 6AV6 644-0AA01-2AX0 MP377 12" Touchscreen Glass

Siemens LOGO 230RCo 6ED1 052-2FB00-0BA5

Nemic-Lambda hr-10

Schneider Modicon BDAP-209 8PT OUTPUT AS-BDAP-209

Schneider Modicon Circuit Board AS-516P-008_AS516P008_REV C25

Schneider Modicon AS-E785-904 NSFP ASE785904

Schneider Modicon GOULD AS-J378-000 MODEM MODULE FREE SAME DAY SHIPPING USA

Schneider Modicon AS-B807-132

Schneider Modicon P451 200 Series I/O Processor AS-P451-622

Schneider/Modicon Module TM2AMI4LT NIB

Schneider Operator Interface XBTGT2120

SiemensS30807-S5431-A-10OperatorPanelw/Cables

Siemens 6AV6640-0CA11-0AX1 6AV6 640-0CA11-0AX1 SIMATIC TP 177 Micro Touch Panel

SIEMENS SIMADYN D 6DD3461-0AB0 CABLE SC58 40pin 2m !! QUANTITY!!

GE Fanuc IC697CMM711 EX K 90-70 Communication Module IC697CMM711K IC697CMM711EX

SIEMENS SIMODRIVE POSMO CD/CA IP 6SN2703-3AA10-0BA1

SIEMENS Sinumerik 6FC5203-0AF00-0AA0 Operator Panel

SIEMENS Moore 39ACM24BCN PLC ACM Advanced Control Module 16139-105/1 APACS

ALLEN-BRADLEY P/N: 1492-CB3

AB 150-F25NBRB SMC-Flex Soft Starter 460VAC 15HP w/Module 41391-454-02-B2FX

ABDP WESTINGHOUSE MOTORS REMANUFACTURED

A06B-0352-B731 FANUC SERVO MOTORS REMANUFACTURED

75 HP ELECTRIC MOTOR 1800 RPM 365TC FRAME NEMA PREMIUM EFFICIENT SEVERE DUTY

RELIANCE ELECTRIC 801421-4R USPP 8014214R

ALLEN BRADLEY 2711-T10C10 USPP 2711T10C10

ALLEN BRADLEY 1771-IX NSPP 1771IX

HONEYWELL 51304431-175 NSPP 51304431175

WESTINGHOUSE NL-1052 USPP NL1052

THOMSON INDUSTRIES 2DB16-OUBGL54 NSFP 2DB16OUBGL54

GETTYS 100-0317 USPP 1000317

Siemens 6ES5-210-2AL62 USPP 6ES52102AL62

SIEMENS 6ES5 375-0LD11 6ES53750LD11

SIEMENS 811-0267-02 USPP 811026702

Siemens 6ES5 944-7UB21/6ES59447UB21 CPU unit FACTORY SEALED OFFERS ACCEPTED

Siemens 6ES5095-8MC03

Siemens Micromaster 6SE9213-6CA40

Reliance Electric 57C416 0 Remote I/O Comm Mod 0-57416-T No Box

Texas Instruments 500-5008

Spirent Adtech AX/4000 401384 IP OC3 Interface

VeriFone Vx570 Dual Mode Terminal IP/Dial 12MB

Siemens C98043-A1663-L C98043-A1663-L11-48

Modicon AS-W600-009

Schneider Modicon Automation AS-B803-008 Input Module ASB803008

Schneider Modicon Analog Output AS B872 011

Schneider Modicon AS-BDAP-209 NSPP ASBDAP209

Schneider Modicon AS-B872-200

Schneider Modicon Shneider 11 Slot Chassis W-6 Cards AS-H827-209

Schneider Modicon B370 REGISTER OUTPUT MODULE AS-B370-001

Schneider Modicon AS-B809-016 NIB

Scientific Atlanta Prisma DT Chassis Modules Decoders AC Power Optical Input

RELEASE SuperMicro X9DRG-HF Motherboard FULL MFR

Siemens 6ES5982-3UA11 6ES5 982-3UA11 SIMATIC S5 Mounting Frame for OP 393 Panel

SIEMENS SINUMERIK 840D/DE NCU 573.5 6FC5357-0BB35-0AE0 NIB

Modicon 170INT11000 Communication Adapter Module Momentum Lot of 2

SIEMENS Simodrive 611 E/R 6SN1146-1BB00-0DANIB

SIEMENS SINUMERIK MPI INTERFACE 6FC5203-0AE00-0AA0

SIEMENS CAT Caterpillar D6H D6H LGP 4RC 6FC

ALLENBRADLEY1756-OF4ANALOGOUTPUTMODULE

Allen Bradley SLC 500 Output Module 1746-OW16 B orange

ABB Robot IRB 6400 2.4 m X 175 kg. S4C M97 Controller- Manufacturing : 2005

A06B-0142-B077#0075 FANUC SERVO MOTORS REMANUFACTURED

0.1mkV-10V 0.02% DC Calibrator Programable P327 an-g of FLUKE,Agilent,Tektronix

MODICON M909-000 USPP M909000

ALLEN BRADLEY 150-A135NBDD-8B4 USPP 150A135NBDD8B4

ADEPT TECH 30330-12350 NSPP 3033012350

GE FANUC IC697MEM719 USPP IC697MEM719

SIEMENS SMP51-F USPP SMP51F

SIEMENS 6ES7-317-2EJ10-0AB0 NSFP 6ES73172EJ100AB0

ALLEN BRADLEY 8000-AB USPP 8000AB

Siemens 6ES5 941-7UA13 6ES59417UA13

Siemens Simatic Analog Output Module 6ES5 470-7LB11

SIEMENS 6ES5-521-8MA21 SERIAL INTERFACE MODULE 6ES55218MA21

Siemens 6ES5 441-8MA11 DIGITAL OUTPUT IN BOX

Siemens 2M MMC 6ES7 953-8LL20-0AA0 6ES79538LL200AA0 NIB

Siemens EPROM 64KB 6ES5376-1AA31

SCHNEIDER 140 MSB 101 00 MOTION MODULE INPUT 1 AXIS

Square D 9065 TR4

SIEMENS 6SE3190-0XX87-8BF0 DRIVE INTERFACE MODULE NIB

WE SHIP SAME CISCO PVDM2-64 64-channel Packet Fax/Voice DSP Module

Siemens 6SE6 400-0BP00-0AA0 6SE64000BP000AA0 NIB FS

Siemens TP27-6 6AV3 627-1NK00-0AX0 Touchscreen Glass

Schneider Modicon TSX Compact AS-BDAP-217 ASBDAP217

Schneider Modicon AS-BDAP-204 Compact Out Module ASBDAP204

Schneider Modicon AS-B827 ASB827 Fast Shipping

Schneider Modicon AS-B825-016 MODULE