TSX07311628
TSX07311628
這么多的控制過程，需要大量的電機(jī)參與。而電機(jī)的運(yùn)行狀態(tài)和故障信息直接影響到鋼材產(chǎn)品的品質(zhì)。為了檢測電機(jī)的運(yùn)行狀態(tài)，萊鋼棒材廠的工程師們?yōu)殡姍C(jī)設(shè)計(jì)了電機(jī)溫度檢測和報(bào)警的方案，以便隨時知道各個電機(jī)的狀態(tài)。
工程師將PT100熱電阻埋入電機(jī)內(nèi)部，通過熱電阻模塊進(jìn)入西門子S7400PLC。但是，實(shí)施后，這種方案并不理想，因?yàn)閭鞲衅饕约皞鬏旊娎|都處在強(qiáng)電電路和強(qiáng)電設(shè)備所形成的惡劣的電磁環(huán)境中，讓模擬量信號變得不準(zhǔn)確，甚至是錯誤的。為了解決這種情況，工程師們改變了信號傳輸?shù)姆桨�，用二次儀表采集數(shù)據(jù)，再通過PROFIBUS現(xiàn)場總線傳輸數(shù)據(jù)，這樣的方案也許會大大改善傳輸數(shù)據(jù)的質(zhì)量。
詢價(jià)QQ；1093230189
方案確定后，開始實(shí)施。每臺電機(jī)預(yù)埋了8個熱電阻PT100，工程師選用了上潤公司的8路熱電阻巡檢儀，儀表帶有MODBUS通訊接口，網(wǎng)關(guān)采用北京微硬創(chuàng)新科技有限公司生產(chǎn)的MODBUS轉(zhuǎn)PROFIBUS模塊。每臺電機(jī)配置一臺上潤儀表和一臺微硬MODBUS轉(zhuǎn)PROFIBUS網(wǎng)關(guān)與西門子S7400PLC連接。為了讓PROFIBUS總線發(fā)揮最好的作用，儀表和網(wǎng)關(guān)安裝在電機(jī)附近，這樣長距離的傳輸應(yīng)用PROFIBUS更為可靠。
NEW SIEMENS 01-155-768-801 CHAMBER CONTACT ARCING D399582
KROHNE IFS3800/0 ALTOMETER 6 IN 150 FLOW TUBE FLOW METER B455643
NEW FOXBORO B0132WJ-B PCB CIRCUIT BOARD D507606
NEW GEMCO 1995-A-6M-X-12B-E6M 1995 MICRO-SET PROGRAMMABLE LIMIT
NEW VAN DER GRAAF TM150B25-210 CONVEYOR MOTOR 1HP 460V 496FPM 6IN
NEW VAN DER GRAAF TM150B25-210 CONVEYOR MOTOR 1HP 460V 496FPM 6IN
DATALOGIC DS6300-100-010 SH3142 BAR CODE SCANNER 12-
MICRO MOTION CMF025M009NC STAINLESS 3/8 IN 145PSI MASS FLOW METER
HONEYWELL BMDX001A-002 60162992 BF6MDX HEDP-G 60162993-001
NEW FOXBORO 99A-110 TOTALIZER SER B 118V-AC 10VA D451288
GENERAL ELECTRIC GE IC2800-1617-C-2-H 230V-DC 25A AMP CONTACTOR
NEW CONE DRIVE H035-6 TEXTRON 11.70HP 5:1 WORM GEAR REDUCER
NEW FUJI GYC401DC1-SA-Z12 15MM SHAFT SERVO MOTOR B425600
FLOW SCIENCES FS-4000-SS 2.4A 295W AIR FLOW CONTROLLER VENTED
NEW EMERSON PCM-6 POSITIONING SERVO DRIVE SYNCHRONIZATION
ROPER 4124 TYPE 1 2.95:1 GEAR REDUCER D486814
NEW ADEPT 10841-00500 REV H ROBOT PCB CIRCUIT BOARD D504858
ALLEN BRADLEY 2364-SPM03A RGU MAIN CONTROL BOARD D492991
NEW DETROIT DIESEL R5108082 TV8115 AIR SYSTEM EXHAUST TURBO
PRECISE EQUIPMENT ACM 1000-C FULLY AUTOMATIC CHANGEOVER
NEW EMERSON DXM-208C 960105-03 REV A3 240V-AC 3A AMP 0.47HP SERVO
MOYNO 2L1-CDQ PROGRESSING 3/4 IN 2-1/2 IN CAVITY PUMP B471394
NEW GENERAL ELECTRIC GE DS3800HISA1A1A PCB CIRCUIT BOARD D450874
ASEA YT243001-AD YXT 121D CONTROLLER PCB CIRCUIT BOARD D498190
PRECISION SCIENTIFIC 31576-10 16EG 120V-AC 820W GRAVITY
ITE KFP 225 IMPERIAL PUMP CONTROLLER 225A AMP 600V-AC CIRCUIT
NEW PARKER SR1400A6-3SN COMPUMOTOR DYNASERV 115V-AC 400NM SERVO
NEW CCS WD-QBR-109028-66 RED WASHDOWN BACK LIGHT 300V-AC DISPLAY
