描述
维护措施不当
不适当地使用超级权限,可能会导致控制器逻辑运算错误。如#3机组曾因RB逻辑不完善,热工技术人员使用超级用户权限在线修改定时器类型时,定时器输出变位而触发机组RB保护动作。实际上超级用户权限是DCS厂家限制使用的权限,有其不确定性,在安全措施不完善的情况下极易引发事故,因此其使用要非常慎重。
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。
Allen Bradley Motor Starter Size 3 509-DOD-A2K NICE!!
Fanuc Robot Control Board A16B-1211-0860/04
Unitrol Weld Control Multi-SCR Firing Board 9280F-2
Unitrol Weld Control Multi-Valve Driver Board 9280V8-2
10pc Balluff Proximity Sensor BES516207S21E 20-250 ACDC
PHD Pneumatic Guided Cylinder RS102X4-D-J2-V
Warner Ball Screw
Industrial Indexing Systems Controller Card ACE-854 B
Robershaw Displacement Level Switch SL406B13A00H231 NEW
Allen Bradley PLC 5/15 CPU 1785-LT Series B Rev J
Allen Bradley PLC5/15 CPU 1785-LT Series B Rev M
Square D Circuit Breaker KAP3625031M 250 AMP
Heise Digital Pressure Sensor Model 711B w/ Transducer
Allen Bradley 1745-DEMO-1 SLC 100 Trainer USED
ALLEN BRADLEY 1745-E107-NEW-1745E107
ALLEN BRADLEY 1745-E154 USPP 1745E154
ALLEN BRADLEY SLC 150 PROG CONTROLLER 1745-LP151 SER C
ALLEN BRADLEY 1745-TCAT USPP 1745TCAT
ALLEN BRADLEY 1745-LP151 NSFP 1745LP151
ALLEN BRADLEY SLC 150 PROG CONTROLLER 1745-LP151 SER C
ALLEN BRADLEY 1745-LP154 NSFP 1745LP154
Allen Bradley Cat#1745-E151 Expansion Unit SLC150 NEW
Allen Bradley Cat#1745-E152 Expansion Unit SLC150 NEW
Allen-Bradley 1745-DEMO-3 1745DEMO3 ser A GOOD!
ALLEN BRADLEY 1745-LP104 USPP 1745LP104
ALLEN BRADLEY 1745-E104 USPP 1745E104
Allen Bradley Cat#1745-LP101 Processor Unit*NIB*
ALLEN BRADLEY 1745-LP154 NSPP 1745LP154
ALLEN BRADLEY 1745-E156 NSFP 1745E156
Allen Bradley A-B 1745-LP153 SLC 150 Processor Unit
4638 NEW Allen-Bradley 1745-LP101 Processor Unit
Allen Bradley 1745-E106 Analog Input Expansion Unit NIB
ALLEN BRADLEY 1745-E151 NSFP 1745E151
ALLEN BRADLEY 1745-LP102 USPP 1745LP102
ALLEN BRADLEY 1745-LP101 NSFP 1745LP101
ALLEN BRADLEY 1745-LP156 USPP 1745LP156
ALLEN BRADLEY 1745-E156 NSPP 1745E156
Allen Bradley SLC 150 1745-LP151 Ser C 11745LP151
Allen Bradley 1745-LP153 Processor Unit 1745LP153 New
ALLEN BRADLEY 1745-E153 NSFP 1745E153
Allen Bradley SLC 100 Processor Unit 1745-LP101 _B104.1
ALLEN BRADLEY 1745-E101 NSFP 1745E101
ALLEN BRADLEY 1745-E105 NSFP 1745E105
ALLEN BRADLEY 1745-PT1 NSFP 1745PT1
ALLEN BRADLEY 1745-E103 NSFP 1745E103
ALLEN BRADLEY 1745-LP154 USPP 1745LP154
ALLEN BRADLEY 1745-LP157 USPP 1745LP157
ALLEN BRADLEY 1745-LP151 NSPP 1745LP151
Allen Bradley SLC150 PLC 1745-LP156
1745-E103 ALLEN BRADLEY
One-day shipping available
Allen Bradley 1745-LP151 SLC 150 1745LP151
ALLEN BRADLEY 1745-E106 NSFP 1745E106
Allen Bradley 1745-E151 SER A SLC 150 Expansion Unit