描述
如果儀表記錄曲線為一條死線(一點(diǎn)變化也沒(méi)有的線稱死線),或記錄曲線原來(lái)為波動(dòng),現(xiàn)在突然變成一條直線;故障很可能在儀表系統(tǒng)。因?yàn)槟壳坝涗泝x表大多是DCS計(jì)算機(jī)系統(tǒng),靈敏度非常高,數(shù)字顯示儀參數(shù)的變化能非常靈敏的反應(yīng)出來(lái)。此時(shí)可人為地改變一下工藝參數(shù),看曲線變化情況。如不變化,基本斷定是儀表系統(tǒng)出了問(wèn)題;如有正常變化,基本斷定儀表系統(tǒng)沒(méi)有大的問(wèn)題。
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Assy UniPower PG2233&3WPM2 4256A57G01 Enclosed 230VAC 6
4D33711G01 Power Supply Assy Acme HF-75753 12 VDC Power Supply RIO Box 0
4D33711G02 Power Supply Assy Acme 2FA1900002A 24 VDC Power Supply RIO Box 0
4D33711G03 Power Supply Assy Acme 48 VDC Power Supply RIO Box 0
4D33743G01 Power Supply Assy
SLIM Power Supply Assy with new Deltron P/S bricks-
115VAC 3
4D33743G02 Power Supply Assy SLIM Power Supply Assy with new Deltron P/S bricks–3
4D33755G01 Power Supply Assy
Multibus P/S for 386 WEStation DPUs w/4256A67G01
3MBPS13 Board-115V AC/DC 63
4D33755G02 Power Supply Assy
Multibus P/S for 386 WEStation DPUs w/4256A67G01
3MBPS13 Board-230V AC/DC 36
4D33755G03 Power Supply Assy
Multibus P/S for 486 WS DPUs MPS512-A w/4256A67G01
3MBPS13-115V AC/DC 7
4D33755G04 Power Supply Assy
Multibus P/S for 486 WS DPUs MPS512-A w/4256A67G01
3MBPS13-230V AC/DC 7
4D33764G01 TFR Panel Assy
TFR Panel RIO Box w/2ea 4256A51G01 3QFR2 cards&
4256A58G01 Backplane 33
4D33764G01 TFR Panel Assy
TFR Panel RIO Box w/6ea 4256A51G01 3QFR2 cards&
4256A58G01 Backplane 8
4D33770G01 TAP Box Assy
TAP Box Assy w/2ea Yellow Hwy Cables 3A59527G18,2ea
Green 3A59526G18,and 2ea Green 3A98720G18 cables 1
4D33804G03 Halfshell DC Distribution Halfshell 4
4D33804G04 Halfshell DC Distribution Halfshell 4
4D33805G01 FOR Fiber Optic Repeater w/5FTC17 7381A66G03 4
4D33810G01
Power Distribution
Assy UniPower PG2233&3WPM2 4256A57G01 Enclosed 115VAC 1
4D33810G02
Power Distribution
Assy UniPower PG2233&3WPM2 4256A57G01 Enclosed 230VAC 1
4D33811G01 GHC Enclosure
DT Hwy Controller Enclosure(2GHC6 G01,3SCPS4 G01,&
2SGI6 G02 cards)w/SHC 2.0 firmware 2
4D33811G01 GHC Enclosure
DT Hwy Controller Enclosure(3GHC12 G01,3SCPS4 G01,&
2SGI6 G02 cards)w/SHC 2.0 firmware 3
4D33811G01 GHC Enclosure
DT Hwy Controller Enclosure(4GHC3 G01,3SCPS4 G01,&
2SGI6 G02 cards)w/SHC 2.0 firmware 2
4D33811G01 GHC Enclosure
DT Hwy Controller Enclosure(4GHC3 G01,3SCPS4 G01,&
2SGI6 G02 cards)w/SHC 2.3 firmware 4
rack tray-115VAC 8
4D33676G04 TCU Drive Assy
Total Control Unit w/HD,Floppy,and P/S mounted 2ea on a
rack tray-230VAC 8
4D33710G01
PowerDistribution
Assy UniPower PG2233&3WPM2 4256A57G01 Enclosed 115VAC 6
4D33710G02