描述
DCS系统本身在工作中不断地进行在线故障检测,一旦发现故障,就将故障设备与系统隔离,使它不至于影响其他设备的正常运行。故障出现后同时会发出声光报警,维护人员根据报警的提示进行分析故障原因并尽快的处理故障,避免故障扩大。在处理过程中要做好现场的技术措施,不要轻易重启CPU,以免对设备造成扰动。
如果需要重启CPU,需要与操作人员配合做好预防措施,一般DCS在CPU复位时会对模拟量输出信号进行复位,这样可以对执行器和变频器采用手动切换控制方式,执行器也可以采用断电方式或将模拟量输出卡件拔掉方式(执行器具有断信号保持功能),系统正常后将信号加到正常值后再给执行器上电和插卡件。但是一定要根据DCS本身的特点进行,有的设计中有开关量安全输出(开、关、保持等),如果用户在组态时选的安全输出是开,那当重启CPU后开关量会发出开的指令。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Dumore Dessouter Automatic Drill Tapping Machine
TECHNIC TNR301 GOLD STRIKE BATH
WAVETEK 3ST SYSTEM SWEEP TRANSMITTER
KOCH EQUIPMENT LT-15EPL POULTRY MEAT TUMBLER
GAST 6066-V103 Vacumm Pumps With Chamber
BRANSON 10 LASER APETURE HEAD
MARCH QUADREL TL2 LABELING SYSTEM TABLETOP
IDEX PULSA SERIES 7660 DIAPHRAGM METERING PUMP
LEAR SIEGLER DYNATRON 1100M OPACITY MONITORING SYSTEM
Schneider Automation 140 CPS 114 10 TSX Quantum PLC
KRUSS K10 ST DIGITAL TENSIOMETER
TN TECHNOLOGIES 9704 TRANSDUCER D Series 3”
LEAR, SIEGLER DYNATRON 1100M OPACITY MONITORING SYSTEM
LEAR SIEGLER MC2000 EMISSIION MONITOR TRANSCEIVER
FOTON EZAG16-122 BOARD
2 Chuo 61 kVa S1-6-204 Resistive Spot Welders
THERMO ENVIRONMENTAL 48 GAS CORRELATION CO ANALYZER
74-70020110 ROTATING ELEMENT Turbine
Domino CodeBox 3 INK Jet Printer
Aircel Systems R20 Refrigerated Compressed Air Dryer 2
Le Blond Regal Lathe 17×32″
NITTAN TECHNO ACM-20 CIMPING MACHINE W/ DIE
CSI CS59 Surface Abrasion Tester (diaphragm type)
CSI CS59154 Surface Abrasion Testing Machine
LEAR SIEGLER MC2000 EMISSIION MONITOR TRANSCEIVER
ADC 1-SM-RBR E120857 LCF FIBER OPTICAL CABLE 30,000ft
150 ROLLS of 200FT
TEKUWA Gmbh SMT75 Cable Tubbing Cutter Machine
MICROWAVE POWER EB049560-1 AMPLIFIER 100-500MHZ
MICROWAVE POWER DB049590-1 POWER SUPPLY 50VDC 500DCA
CSI CS39 FLEX Abrasion Tester
CSI CS59 Surface Abrasion Tester
TAMURA TAF40-12F SPRAY FLUXER
RELCO RI34-2 ROLLING PRESS
NIPPON TANSHI ACM-11A CRIMPER UNIT 1.5TON
NIPPON TANSHI ACM-11A CRIMPER MACHINE 1.5TON
NIPPON TANSHI ACM-11A CRIMPER 1.5TON BENCHTOP
EIL OG-100 OIL/GLOVE TEST SET
PRYSMIAN 288F OFNR SMF-28E RILT OPTICAL CABLE 700FT
FALK BLENDER MINE SMELTER ROCK
REX WH82 Welded Steel Mill Chain
TECHNOS 73-00200020 RADIAL FAN WHEEL
AURORA 344A-BF 48020031 PUMP
GTI Groningen Water Chiller G0451-98101
FUJI DTII-5000 Optical Comparator
Stangenes Isolation Transformer SI-7356 100KVDC 500W
5 HP 85024A High Frequency Probe
Clinton STBG-29ALR PDC-20 DC Pinhole Detector
TCE 705-58 GRP 504 Winding Machine Winder
4 11464985MT Military Panel Circuit Breaker Assy.
Keyence ML-9011 ML-9001 Scanning Laser Marker
800 DON PABLO ORGANIC OREGANO OIL BOTTLES
NTN Shinko Parts Feeder Bowl Feeder & Linear Feeder
Raytheon Power Static & Converter
2 TERADYNE 49956-797982-1 DRIVER FAULT MONITOR ASSEMBLY
4 NTN JPF Line & Bowl Feeders
100 APACER M/N AP-SDM001G1RASR BOARD
CLAUSING-ATLAS 22V-1 DRILL PRESS
GRAPHOTYPE 6381 MULTIGRAPH Dog Tag Maker
14 MAGNETIC ANALYSIS MAC XMH031XT WIRE ANALYZER
PARKER XY POSITIONING SYSTEM
MICROWAVE POWER DEVICES DB049580 PWR SUPPLY
MICROWAVE PWR DEVICES EWAL 1050 SOLID STATE AMPLIFIER
ENTEC NATIONAL ENGINEERED CALIPER BRAKING SYSTEM
INTERGRAPH PCB422 REV_0 PCB BOARD
INTERGRAPH PCB421 REV_A PCB BOARD
2 796893 Panel Control Indicator Radar Status