PFBI 161
廈門莫格電氣自動化有限公司是一家專業(yè)提供工業(yè)自動化領(lǐng)域的備件服務(wù)商,產(chǎn)品品種齊全、價格合理,公司實力雄厚,重信用、守合同、保證產(chǎn)品質(zhì)量,以多品種經(jīng)營特色和薄利多銷的原則,贏得了廣大客戶的信任。
我們主營PLC可編程控制器模塊,DCS卡件,ESD系統(tǒng)卡件,振動監(jiān)測系統(tǒng)卡件,汽輪機控制系統(tǒng)模塊,燃氣發(fā)電機備件等,公司致力于為工業(yè)用戶提供自動化解決方案,打造工控備件一站式供應(yīng)平臺。
我們與世界的多家PLC,DCS產(chǎn)品維護服務(wù)供應(yīng)商建立了緊密的合作關(guān)系。能直接從境外進貨、能夠提供不同國別、廠商的設(shè)備以及備件、包括一些停產(chǎn)的老系統(tǒng)備件,解決您多處尋找的麻煩或?qū)Ξa(chǎn)品質(zhì)量問題的擔心等,在價格上我們有很大的優(yōu)勢、產(chǎn)品詳細信息、竭誠歡迎您來電查詢或使用 查詢!
我們售出的備品備件均提供一年的質(zhì)量保證、并且都經(jīng)過了嚴格的測試和認證,現(xiàn)已成一家性的工業(yè)自動化備件及零部件的銷售企業(yè)。
【具體詢價咨詢-雷琳】
【:(同號)】
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【采購單*低10個點您拿單子,追求共贏!】
【本公司擁有所有產(chǎn)品專業(yè)檢測平臺,產(chǎn)品質(zhì)量嚴格把關(guān)】
公司以電子商務(wù)模式運營、縮減中間環(huán)節(jié)、為消費者在*時間提供優(yōu)質(zhì)的產(chǎn)品及滿意的服務(wù),公司擁有完善的物流供應(yīng)系統(tǒng)、現(xiàn)已與眾多國外品牌生產(chǎn)廠商建立了良好的合作關(guān)系。
公司經(jīng)銷產(chǎn)品廣泛應(yīng)用于數(shù)控機械 冶金、石油天然氣、石油化工、化工、造紙印刷、紡織印染、機械、電子制造、汽車制造、煙草、塑膠機械、電力、水利、水處理/環(huán)保、市政工程、鍋爐供暖、能源、輸配電等行業(yè)
-------------------------------------------------------------------------------------------PFBI 161
信號采集單元與主機(中心處理單元)之間通過四芯電纜連接,其中兩芯為CAN總線信號線(CANH和CANL).另外兩芯為電源線,可為信號采集單元各部分提供電源。
2.2 電路設(shè)計需要注意的問題
TJA1050是高速CAN收發(fā)器.是控制器區(qū)域網(wǎng)絡(luò)(CAN)協(xié)議控制器與物理總線之間的接口。
TJA1050可以為總線提供不同的發(fā)送性能,為CAN控制器提供不同的接收性能O TJA1050可以選擇兩種工作模式:高速模式和*模式。高速模式是普通的工作模式,將引腳8接地可以進入高速模式,如果引腳8沒有連接.高速模式則為默認的工作模式。將引腳8連接到Vcc可以進入*模式,*模式可以防止在CAN控制器不受控制時對網(wǎng)絡(luò)通訊造成堵塞,在*模式中,發(fā)送器是禁止的,但是器件的其他功能可以繼續(xù)使用。
總線的兩端要連接兩個120 n 的電阻,對匹配總線阻抗起著重要的作用。如果忽略掉它們,會使數(shù)據(jù)通信的抗干擾性及可靠性大大降低,甚至無法通信。
3 信號采集節(jié)點軟件設(shè)計
信號采集節(jié)點的軟件設(shè)計主要有:節(jié)點初始化、報文發(fā)送、報文接收、CAN總線錯誤處理、CAN總線中斷處理等。本文重點介紹節(jié)點初始化、報文發(fā)送和報文接收。
3.1 節(jié)點初始化
在上電或硬件復(fù)位后,CAN控制器處于復(fù)位模式。如果CAN控制器不處于復(fù)位模式,置位模式寄存器RM位使其進入復(fù)位模式。CAN控制器復(fù)位后,必須初始化實現(xiàn)CAN通信,其內(nèi)容主要有:操作模式、驗收濾波器、總線定時及中斷等。其中,定時器用來設(shè)置CAN總線上數(shù)據(jù)傳輸?shù)牟ㄌ芈?,注意總線上各節(jié)點的波特率須*,否則將導(dǎo)致數(shù)據(jù)傳輸錯誤。
METTLER TOLEDO 52 500 044 RESISTANCE CALIBRATOR CALIBRA
NEW SPRAYING SYSTEMS 68421 1/4-J-SS AIR ATOMIZING SPRAY
WORLD DRYER A 60HZ 20A 115V PUSHBUTTON HAND DRYER B4259
LOT 20 NEW SPRAYING SYSTEMS ASSORTED 25611 TEEJET CAP D
LOT 8 ORANGE STEEL COMPRESSION SPRING 2-15/16IN D395568
NEW DODGE RELIANCE COMPRESSION SPRING 6-1/2IN LONG D402
LOT 4 NEW 178742 MECHANICAL BUSHING SLEEVE D375728
LOT 2 NEW STEEL 5/8IN BORE GEAR D339945
NEW MIDDLE ATLANTIC 17-1/2 IN RACK MOUNT SLIDING DRAWER
NEW ALFA LAVAL SA29 GASKET HEAT EXHANGE PLATES D357712
KARCHER HDS 760 2100PSI PRESSURE POWER WASHER STEAM CLE
LOT 2 NEW BRASS MECHANICAL BUSHING 1 IN LONG 1 IN OD 3
NEW DANGER MEN WORKING ABOVE STEEL SAFETY SIGN D440334
NEW SHURE 526T SERIES II UNIVERSAL IMPEDANCE DYNAMIC MI
LOT 2 NEW FORDS PACKAGING 95080552 STAINLESS SPACER D35
LOT 4 ALLEN BRADLEY 800T-PT16 RED ILLUMINTATED PUSHBUTT
LOT 2 BOSTON GEAR D1600 20 TOOTH WORM PINION FOR CONVEY
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LOT 8 NEW TRI CLOVER LADISH 304 STAINLESS 2IN MALE STRA
VOLVO 11173694 INTEGRAL ACCUMULATOR 10L N2-GAS 50 BAR 3
LOT 2 TRERICE ASSORTED USG 0-30/60PSI 4IN DIAL PRESSURE
LOT 2 NEW HUBBELL HBL2611 INSULGRIP TWIST-LOCK 125V 30A
WATTS 1450F THREADED 12-15PSI 1/2IN NPT PRESSURE WATER
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ZIAMATIC UN 5 3J 3 SF WALKAWAY BRACKET D442173
PLYMOVENT 4700 THE MIST ELIMINATOR DUST & OIL BLOWER CO
LOT 2 NEW MARTIN 40 24 STEEL 24-TOOTH CHAIN SPROCKET 1I
LOT 8 NEW C-H 3/4IN CONDUIT FLEX CONNECTOR B305359
LOT 4 NEW ALLEN BRADLEY 700-HB33Z24 15A AMP 24V-DC SER
LOT 3 GENERAL ELECTRIC GE CR104P PUSHBUTTON SWITCH D467
LOT 2 ASCO RED HAT 302014 SOLENOID REPLACEMENT VALVE RE
REXNORD 73889A-B-22 73889A BRASS FLAT SPRAY NOZZLE ASSE
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STEWART-WARNER C-1060 ALEMITE GREASE GUN D471108
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SCHOTT PROCESS SYSTEMS 6IN 150MM DRAIN LINE COUPLING B2
NEW PRECISION BRAND 17S-4 .004 GAGE 6 IN X 100 IN BRASS
NEW STAINLESS 26-1/2IN SCREW LENGTH 1-3/4IN OD MIXING A
NEW STAINLESS THERMOWELL 1-1/2IN TRI-CLAMP 1/2IN NPT 6I
NEW BRASS 3/8IN NPT SIGHT GLASS ASSEMBLY D466791
NEW BRASS 3/8IN NPT SIGHT GLASS ASSEMBLY D466791
LYON MSS II SAFETYLINK 11 DRAWER STEEL STORAGE 27X27X54
LOT 4 MAC SOLENOID VALVE MANIFOLD BASE PNEUMATIC D30808
NEW GLASS SIGHT OIL PLUG CAP 1-1/2IN NPT BRASS D328934
NEW GREENLEE 35908 FIBERGLASS FISHTAPE REPAIR KIT D3866
SPRAYING SYSTEMS H1/4U-SS 6530 1/4IN MALE STAINLESS STE
NEW 220100 ROD CLEVIS STAINLESS 1/4IN NPT D277457
LOT 3 HOFFMAN F-66GUC 6X6X1-1/2IN WIREWAY / AUXILIAR GU
WELLER PH100 SOLDERING IRON STAND D464205
NEW TRI CLOVER SES-2-22-S STAINLESS MOUNTING BRACKET AS
SCHOTT PROCESS SYSTEMS 6IN 150MM B-P BEAD TO PLAIN END
LAWSON B-100-X COTTER PIN KIT 1/16X1/2 TO 5/16X3 IN D45
PAR 174 POLAROGRAPHIC ANALYZER PRINCETON APPLIED RESEAR
NEW MOEN 7040 FAUCET CARTRIDGE REMOVAL TOOL D425728
LOT 8 NEW HELWIG T53 CARBON MOTOR BRUSH 9/16X1/2X1/4IN
NEW WALKER MWY440930 PIN HINGE DOOR ARM D258099
AMETEK R-100 HYDRAULIC DEAD WEIGHT PRESSURE TESTER 1000
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LOT 2 FISCHER PORTER 821A021U08 PRESSURE FLOWMETER 250P
LOT 4 ALLEN BRADLEY 700-HLT1Z 700-TBR24 SOLID STATE REL
LOT 215 NEW FASTENAL SCREW D257788
NEW SERVICEFIRST SLG00031 FAN MOTOR SLINGER 6IN OD D307
LOT 3 NEW HASTINGS 911 FUEL FILTER CARTRIDGE W/ RESINIT
NEW INDUSTRIAL KINETICS D5263-300-02-19 TEFLON GUIDE BL
NEW WAUKESHA 316LSS SANITARY PIPE REDUCER 2 TO 3IN D364
LOT2 SQUARE D 9070T50D5 CLASS 105 VOLTAGE TRANSFORMER
TRI CLOVER STAINLESS SANITARY CLAMP 4IN B321929
LOT 5 NEW TEE UNION FITTING 5/8IN JIC D357589
LOT 5 NEW LOVESHAW LD-J141 MECHANICAL BUSHING D357548
NEW GRAHAM HELIFLOW 67941RH STAINLESS HEAT EXCHANGER CO