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[關鍵詞] 分散控制系統(DCS)可編程序控制器(PLC)安全儀表系統(SIS)MOTOROLA MVME 工業用模組 壓縮機組控制系統(CCS)ESD系統;振動監測系統卡件
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DCS死機現象有兩種:人機界面死機、控制器死機。前者比后者損失要小??刂破魉罊C是I/O卡件安排太多或存儲器容量不夠,一旦控制器程序運行到某一位置,就停留在該位置,程序不再往下走,即使重啟也無濟于事。
人機界面(主要是操作站)死機現象所有DCS都不同程度地存在,只是頻繁程度不同。另外與DCS使用時間長短有關。因硬件引起的死機,顯示不再能恢復。如操作站電源電壓偏低,很容易使操作站死機。由于軟件和通信連線的速率選擇不合適引起的死機現象經一段時間仍能恢復。操作站操作系統與監控軟件磨合不好也能引起死機,對此維護人員毫無辦法,稱為原發性死機。由于某些配置不合理引發網絡堵塞、內存太小等原因造成的死機,過幾分鐘后自己能恢復。
MEASUREX BASIC ASSY NO. 05347102 REV-A XLNT TAKEOUT MAKE OFFER
Measurex BBU W/ MEMORY POWER SUPPLY JUMPER ASSY 05329600 PART NO 04329600 REV B
Measurex Board Current Loop Buffer 05338200
MEASUREX BSC TRANSITION BOARD P/N 05423500
Measurex Caliper Oscillator Circuit Board 05243000
Measurex CAPLUGS red button assy no . C8542101 REV D
Measurex card board KDFII CPU SIDE2 5013326 D-P4
MEASUREX CHANNEL COUNT PBC BOARD 05291101 104042
Measurex Circuit Board Card 05317200
Measurex Circuit Board Card 05331100
MEASUREX CIRCUIT BOARD CARD 40-500KHZ 40 500KHZ 40500KHZ 05331100
Measurex Circuit Board High Density Contact Input Buffer 05319300 REV.A REV A
Measurex CM STATION INTERFACE ASSY NO 05330500 PART NO 04330500
MEASUREX COLOR SENSOR PROCESSOR BOARD 05329201 REV A
MEASUREX CONSTANT OUTPUT MODULE 05310500 REV B 104435
Measurex Contact 1 0 ASSY no 05291201 PART NO 04291200 REV C
MEASUREX CONTROL BOARD 052980 104396
MEASUREX CONTROL BOARD 052991-03
MEASUREX CONTROL BOARD 6561520003
MEASUREX CONTROL BOARD ASSY 054080 PART 04408000 REV A
MEASUREX CONTROL BOARD VIPB0121
MEASUREX CONTROL MODULE 0401100 / G9749 0697 / 054011 REV-B
Measurex Control Module Assembly
MEASUREX CONTROLLER BOARD 05375900 053759-00 REV A 04375900 60 Day Warranty
Measurex controller graphic builder ASSY : 05368600 REV B Part : 04368600 REV A1
Measurex Converter 24/12V multisensor assy : 05329900 part no : 04329900 REV A
Measurex COUNTER INPUT BUFFER ASSY NO 05292100 PART NO 04292100 REV B
MEASUREX CP TRANSITION 04427000/05427000
MEASUREX CP+ TRANSITION 05427000 REV A
Measurex Csc / Autobackup Fond de Panier 05354900 Rev A
Measurex D BSC qbus-table 08500107 rev a
MEASUREX D BSC-QBUS BOARD 08500107 REV A
Measurex D Bsc-Qbus Pannello 08500107 Rev A
Measurex D Bsc-Qbus Planche 08500107 Rev A
Measurex D Bsc-Qbus Platte 08500107 Rev A
Measurex D Bsc-Qbus Tabla 08500107 Rev A
MEASUREX DAC Q BUS BOARD 05292800 REV. C 60 Day Warranty