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(2)畫面出現問題及處理方法。
當組態畫面出現紅色條塊,一般是回路不通所致,主要是可能接線錯誤或卡件故障的原因,也可能是現場儀表出現故障導致。如果組態畫面有綠色條塊出現,組態錯誤可能是通道重復或根本不存在的原因;當調試時數據顯示正常,卻在生產中數據為零,這種情況檢查是看數據是否出現故障報警,如果是紅色的故障報警要立即檢查卡件運行情況;當監1控畫面中,多個數據同時波動較大,就要判斷波動數據是否是生產工藝上的相關參數。若是相關參數則要通知專業人員檢查,查看是否因為某調節係統波動引起參數變化,同時要將相關調節打到手動模式,必要是進行現場調節。
(3)出現電磁幹擾問題。
在調試過程中,發現DCS端子櫃公共端有電壓抬高的現象,導致部分設備無法正常工作。同時發現部分擋板反饋信號頻繁跳變,導致引風擋板頻繁動作,進而在執行機構電機過熱,嚴重影響自動控制係統的調節品質現象。上述主要是電氣信號對反饋信號的幹擾所致,尤其是老廠設備改造容易引發。主要是因為引風機電纜與引風機擋板反饋信號電纜在同一電纜溝內,高壓電纜產生大量的強電幹擾。
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LEVITON 5366-C STRAIGHT BLADE PLUG 20A AMP 125V-AC 2P 3W D576924
STAUBLI C331086B STAINLESS FITTING D584906
STAUBLI C331087B STAINLESS FITTING D584908
CECO CE-250-048-001 COMPRESSOR SCAVENGER VALVE STRIP D580992
ALFA LAVAL B2S-3-304-7 TRI-CLOVER SANITARY ELBOW 3IN 90 DEGREE D574169
EAO ASSORTED 61-1100.0 61-8410.22/.25 PUSHBUTTON ASSEMBLY D581956
STAINLESS PIPE CLAMP D578570
12IN X 15FT POLYURETHANE ANTISLIP BLACK TAPE 2TUY8 D581609
EAO 61-1100.0 61-8410.22/.25 PUSHBUTTON ASSEMBLY D581958
WICC LTD MW0504-1 CURRENT TRANSFORMER 750:1A D582274
STOWE S09-04-004A SMART BATTERY MONITORING SYSTEM D581853
FLOWSERVE DB-2 28IN VALVE HANDLE D579651
MILLIPORE WG2F02RR2 3000PSI IN-LINE GAS FILTER D575255
EISENMANN SPRINGS 3IN 1-1/2IN OD 1/4IN WIRE OD D579769
MILLIPORE WG3NS6RR2 1000PSI IN-LINE GAS FILTER D575932
GEORG FISCHER PVDF-HP SERRATED FLANGE ADAPTOR D90 D577866
PALL AB3UNDZ7EH26 POSIDYNE 30 IN FILTER CARTRIDGE 0.04UM D576612
HONEYWELL MP918B 1014 2 PNEUMATIC DAMPER ACTUATOR 3-13PSI D584245
XEROX 106R01047 TONER CARTRIDGE FOR SAMSUNG ML 1450 D584619
EATON 48X6X8 3/8IN TUBE OD X 1/2IN NPT BRASS MALE CONNECTOR D590333
SHARPE S30W01904 VIBRO-ENERGY FLEXIBLE SPOUT CONNECTON D540654
CATERPILLAR CAT 2338484 FINNING T-BOLT SPRING CLAMP D561740
POWER HOUSE TOOLS BPH12.14 240V 440W BOLT HEATER D562448
MONARCH V110 ROTARY HAND DRUM TRANSFER PUMP 3/4 IN IRON D559402
EG&G 604BAC-P-50 SEALOL WELDED METAL BELLOWS SEAL D529402
EG&G 604-AAC-SCF-20 WELDED METAL BELLOWS SEAL D529407
EG&G 676AGC-SGF 36 WELDED METAL BELLOWS SEAL D529406
S075 CABLE CLAMPS D555951
UNITED CONVEYOR SK-1701-2258 6 IN LOCKING FLANGE CLAMP KIT 2-17079 D525825
BECK 20-2700-20 ACTUATOR MOTOR ASSEMBLY 0.5NM D532955
POWER COMPONENTS 2BRSQ11/4HA POWER LIFT ACTUATOR D523252
THOMAS&BETTS A100-1/4EGC SUPERSTRUT 1/4 IN SPRING NUT D560215
MAGNETEK FS-100A COLLECTOR ARM 100A AMP 600V-AC D556555
GARDNER DENVER 00526160 COMPRESSOR BREATHER D549804
MUELLER 500-12-1064 FULL SEAL PIPE REPAIR CLAMP 10 IN 10.64-11.04 IN D539159
BOX OF 20 LAWTON SIZE C 0.100 4X4IN STAINLESS PRECUT SHIM D558040
W73155-2 NEOPRENE ROTOR COUPLING BOOT 6X11 IN D564127
FIKE 03PSE1500B 500PSI STAINLESS RUPTURE DISC 12IN D561396
JOY 01608959 GARDNER DENVER VALVE BUMPER D549802