CUTLER HAMMER IQDP-4000

CUTLER HAMMER IQDP-4000
CUTLER HAMMER IQDP-4000
CUTLER HAMMER IQDP-4000
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2.1.4 DCS网络故障
(1)某电厂西屋WDPF控制系统，由于多次改造系统增加了大量测点和自动控制回路，系统负荷率高达70%以上，造成网络通讯堵塞，多次出现操作员进行操作、切换画面时间过长、画面黑屏等问题。后经升级改造为OVATION系统，系统正常。
(2)某电厂600MW机组负荷508MW，工况稳定，汽轮机所有调门突然大幅摆动，经检查故障原因是机组运行时M5 控制器的转速信号短时间内由3000r/min 变成了0r/min，又马上恢复，调门摆动的原因也是M3和M5通讯时出现掉数据现象，导致Trip Bias(跳闸偏置)信号在机组运行时由0变为1，引起所有调门大幅摆动。对该问题采取措施：对PCU 控制总线的通讯信号进行多重化处理，对通讯信号增加延时，躲过通讯信号瞬间跳变；对重要的通讯信号采用了通讯冗余。
2.1.5 DCS软件问题
(1)某电厂300MW供热机组DCS调试过程中未对测点品质参数进行修改，致使其模拟量测点只有在断线的情况下才认为是坏品质测点，未充分起到品质校验功能。后对所有测点品质参数进行了设置，提高了设备运行的可靠性。
(2)HIACS-5000CM控制系统画面组态时，双击grab组态工具后，弹出 c++错误窗口无法正常使用。经检查发现grab.ini 文件被改动过，从其他机器拷贝文件覆盖后，工具恢复正常。因为grab 非正常退出后保留了错误的信息在grab.ini 文件中。
(3)某电厂除氧器水位控制回路逻辑是由高加水位控制逻辑拷贝修改而成，修改过程不，PID参数未根据除氧器情况设置整定，造成运行中除氧器上水门发散调节，调节品质恶化。采取措施：检查逻辑，重新整定PID参数。
Texas IC DIGITAL SIGNAL PROCESSOR 144LQFP, TMS320VC33PGE150 Z16

RAPISTAN DEMAG MICROCOMPUTER BOARD, D103437ABA, DF65174049, CM2-4DI-Q-74 1228G

Vishay Trimmer Resistors SMD 3MM, TS3YJ101MR15, 72-TS3YJ-100 AA12

TOKYO MK2 TRAP TERMINATOR 3M81-019551-12, 3M87-029585-12, SHIPSAMEDAY1532C

Nikon CCD-I/F, 2S017-394-1, 4S018-546-A, 2S017-394-CCD-I/F, SHIPSAMEDAY1532E

Philips BOARD Ferromatik machines, 9404 462 09011, 940446209011

Philips BOARD Ferromatik machines, 9404 462 02021, Nr: 8201

Philips BOARD Ferromatik machines, 9406 221 26021, 940622126021

Philips BOARD Ferromatik machines, 9404 462 00021, 940446200021

Philips DIGITAL OUTPUT BOARD, 9406 221 21001, 940622121001

Philips DIGITAL INPUT BOARD, 9406 221 22011, 940622122011

Nikon 70157, 4S020-207-1

Nikon MCR-CNTRL2, 2S005-228-3

MKS ANGLE VALVE KF50, 9 Pin Cable, 99R0108, LPV-150-AK-CLVS

MKS Baratron Pressure Head, 10 Torr, 615A11TRC, SERIAL 93027227A,137F51

MKS Baratron Pressure Head Torr, 615A11TRC, SERIAL 94186334A, SHIPSAMEDAY137F52

MKS Baratron Pressure Head, 10 Torr, 615A11TRC, SERIAL 000373266, 137F53

MKS Baratron Pressure Head, 10 Torr, 615A11TRC, SERIAL 000788631, 137F50

SWAGELOK Bellows Sealed Valve, SS-HBS4-OM2 , SHIPSAMEDAY118Z

MKS Baratron Pressure Transducer 100 TORR, 750B12TCD2GA + LDM-A12TA3AA1 124R7

MKS BARATRON PRESSURE Transducer 100 TORR, 750B12TCD2GA + LDM-A12TA3AA1 124R4

MKS BARATRON PRESSURE Transducer 1000 TORR, 750B13TCB2GC + LDM-A13TA2CC1 124R5

MKS BARATRON PRESSURE Transducer 500 TORR, 750B52TCB2GC + LDM-A52TA2CC1 124R6

MKS BARATRON PRESSURE Transducer 50 PSIG, 740B51PCB4GD + LDM-A51PBDD1 124R3

Mks M-330 Mass Flow Controller 1/4" VCR NF3 1 SLM M330-WS26074, NF3, 13C 134C7

Micrel IC REG LDO ADJ 5A TO263-5, MIC29502WU TR

PANASONIC ECHU1H104JX9 CAP, FILM, PPS, 100NF, 50V, SHIPSAMEDAYR2

SWAGELOK Multiport Diaphragm Valve 1/4" VCR, 6LVV-DPVF111P-C, Shipsameday1610TB

SWAGELOK Multiport Diaphragm Valve 1/4" VCR, 6LVV-DPVF111P-O, Shipsameday1610TC

SWAGELOK Multiport Diaphragm Valve 1/4" VCR, 6LVDABW7PC-6309, Shipsameday1610TE

GLENAIR BACKSHELL 31461-E4102S28161S0655, SHIPSAMEDAY BOX 13 "F3”

OMRON Photoelectric Sensors ZX 18mm-head 7mm SD, ZX-EM07MT, SHIPSAMEDAY 1614D2

OMRON Photoelectric Sensors ZX Inductive Amp PNP, ZX-EDA41, SHIPSAMEDAY 1614D3

Mitsubishi Melsec Programmable Controller F2-40ER-UA1, F240ERUA1

Mitsubishi Melsec Programmable Controller F2-20ER-UA1, F220ERUA1

Moore Tech/all Weld 66311, 1/4" Female VCR ZG26

MKS i-Baratron digital manometer 1000 Torr, KF10/16, DMA-25030,  1548E6

TEMPCO/WATLOW Heater Element 1/4" Dia, HDC15992, E7F-12505, E4P-12507, E2F-12506

Harting HD Pwer Fe Conn 1663307, 09320006208 (LOT OF 434) CK4.0-ED-6.00BU 125F1

SWAGELOK PNEUMATIC ACTUATOR Valve 1/4" FVCR, SS-4BW-V51-3C, SHIPSAMEDAY150A2

Valve 1/4" FVCR, SS-BNV51-P7B-O, SSBNV51P7BO Shipsameday1654B9

SWAGELOK Bellows Sealed Valve 1/4" TUBE, SS-4BK-1D, Shipsameday1537B2

Fairchild MOSFET P-Ch PowerTrench Specified 1.8V, FDG330P, P53

Allen Bradley Ultra 3000i Servo Drive 2098-DSD-020X-DN 

Spirax Sarco BT6 1/2" horizontal Steam trap, 1800061, shipsameday1635R3

Metrobility Gig-E Services Line expansion module, R861-1S, R8611S, X44C

Analog Devices AD5232BRUZ10-REEL7, IC POT DGTL DUAL 256POS 16TSSOPS7

Texas LMC7211AIM5/NOPB, IC COMPAR TINY R-R CMOS SOT23-5 S8

MKS Dual Range Monometer 100torr, D28B12TCEE080, SHIPSAMEDAY130Z27 

Aptina IC Sensor Image vGA Mono, MT9V022I77ATM, 557-1270-ND

Shimadzu Turbo molecular Pump Power Source, EI-281

Allen Bradley Output Module, 1734-0B4, 1734-RTBS, 1734-MB, 1329B

GLENAIR BACKSHELL 400FS001N1003L3

Aera Mass Flow O2, FC-7800CU, 5SLM, FC7800CU, RACK L L26

Nikon Circuit Board LDR-CTL, 2S017-373

Texas Instruments TPS3803-01DCKR