xycom 0343314010000現(xiàn)貨
%福州聚福興自動化有限公司%
主營備件DCS PLC系統(tǒng)模塊備件,
用于集散控制系統(tǒng),可編程控制器,
面板控、制器和驅(qū)動器、包括以下產(chǎn)品。
(1..美國..英維思 ESD系統(tǒng) FOXBORO,
Invensys Triconex
(2.. 美國.. AB ..1756系列,1785系列,
1746系列,1747系列,1771系列
(3..瑞士.. ABB.. 機(jī)器人系列,ABB Advant
OCS,ABB Procontic PLC CPU
(4..法國..施耐德.. 140莫迪康昆騰系列處理器,
內(nèi)存卡,電源模塊等。
(5..德國..西門子..Siemens MOORE,S5,S7等
(6..美國..通用電氣..GE..90/30,90/70系列
(7..日本..發(fā)那科..伺服放大器A06B、驅(qū)動器A06B、
輸入輸出模塊A02B/A03B、PCB板A16B/A20B。
公司以北美、歐洲、亞洲多家供應(yīng)商建立了良好的合作關(guān)系。
主營備件DCS PLC系統(tǒng)模塊備件,
用于集散控制系統(tǒng),可編程控制器,
面板控、制器和驅(qū)動器、包括以下產(chǎn)品。
(1..美國..英維思 ESD系統(tǒng) FOXBORO,
Invensys Triconex
(2.. 美國.. AB ..1756系列,1785系列,
1746系列,1747系列,1771系列
(3..瑞士.. ABB.. 機(jī)器人系列,ABB Advant
OCS,ABB Procontic PLC CPU
(4..法國..施耐德.. 140莫迪康昆騰系列處理器,
內(nèi)存卡,電源模塊等。
(5..德國..西門子..Siemens MOORE,S5,S7等
(6..美國..通用電氣..GE..90/30,90/70系列
(7..日本..發(fā)那科..伺服放大器A06B、驅(qū)動器A06B、
輸入輸出模塊A02B/A03B、PCB板A16B/A20B。
公司已經(jīng)與北美、歐洲、亞洲多家供應(yīng)商建立了良好的合作關(guān)系。
(1) 功能塊FC實(shí)參的指針存到調(diào)用塊的L堆棧;
(2) 調(diào)用塊的地址和返回位置存儲在塊堆棧,調(diào)用塊的局部數(shù)據(jù)壓入L堆棧;
(3) 功能塊存儲臨時(shí)變量的L堆棧區(qū)被推入L堆棧上部;
(4) 當(dāng)被調(diào)用功能塊FC結(jié)束時(shí),先前塊的信息存儲在塊堆棧中,臨時(shí)變量彈出L堆棧。
因?yàn)楣δ軌KFC不用背景數(shù)據(jù)塊,不能分配初始數(shù)值給功能塊FC的局部數(shù)據(jù),所以必須給功能塊FC提供實(shí)參。
STEP 7為功能塊FC提供了一個特殊的返回值輸出參數(shù)(關(guān)鍵字:RET_VAL)。當(dāng)在文本文件中創(chuàng)建功能塊FC時(shí),你可以在定義功能塊FC命令后輸入數(shù)據(jù)類型(如BOOL或INT)。對文本文件進(jìn)行編譯時(shí),STEP 7會自動生成RET_VAL輸出參數(shù)。當(dāng)用STEP 7的程序編輯器(Program Editor)以增量模式創(chuàng)建功能塊FC時(shí),可在FC的變量聲明表中聲明一個輸出參數(shù)RET_VAL,并指明其數(shù)據(jù)類型。
功能塊編程與調(diào)用舉例
對功能塊編程分兩步進(jìn)行:步是定義局部變量(填寫局部變量表);第二步是編寫要執(zhí)行的程序,可以用梯形圖或語句表兩種形式編程,并在編程過程中使用定義了的局部變量(數(shù)據(jù))。
定義局部變量的工作內(nèi)容包括:
(1) 分別定義形參、靜態(tài)變量和臨時(shí)變量(FC塊中不包括靜態(tài)變量);
(2) 確定各變量的聲明類型(Decl.)、變量名(Name)和數(shù)據(jù)類型(Data Type),還要為變量設(shè)置初始值(Initial Value)(盡管對有些變量初始值不一定有意義)。如果需要還可為變量注釋(Comment)。在增量編程模式下,STEP 7將自動產(chǎn)生局部變量地址(Address)。
寫功能塊程序時(shí),可以用以下兩種方式使用局部變量:
(1) 使用變量名,此時(shí)變量名前加前綴“#”,以區(qū)別于在符號表中定義的符號地址。增量方式下,前綴會自動產(chǎn)生。
(2) 直接使用局部變量的地址,這種方式只對背景數(shù)據(jù)塊和L堆棧有效。
在調(diào)用FB塊時(shí),要說明其背景數(shù)據(jù)塊。背景數(shù)據(jù)塊應(yīng)在調(diào)用前生成,其順序格式與變量聲明表必須保持一致。在增量方式下,調(diào)用FB塊時(shí),STEP 7會自動提醒并生成背景數(shù)據(jù)塊。此時(shí)也為背景數(shù)據(jù)塊設(shè)置了初始值,該初始值與變量聲明表中的相同。當(dāng)然也可以為背景數(shù)據(jù)塊設(shè)置當(dāng)前值(Current Value),即存儲在CPU中的數(shù)值。
1.二分頻器
假設(shè)功能塊FC10是二分頻器產(chǎn)生程序,功能是對不同的輸入位進(jìn)行二分頻處理。以下給出了FC10的變量聲明表和語句表程序。在程序中使用了跳變沿檢測指令。
1) FC10的變量聲明表(見表5.3)
AP7553 Rack PDU Basic Zero American Power Conversion-APC
APC Symmetra Power Array
APC BKPRO300 NSFP BKPRO300
BR1300G 1300VA Power Saving Back-UPS American Power Conversion-APC
APC RBC7 Replacement Battery Cartridge #7 Maintenance-fr?ee Lead Acid Hot Swapp
4.0L 2WD 4WD STEERING SUSPENSION PARTS RACK ENDS BALLS
TOYO DENKI APC-861-QT4450?6 USPP APC861QT44506
NEW APC SMART-UPS SC 420VA/260W 5.5MIN FULL LOAD 4XNEMA
H15BLK AV 1.5KVA Power Conditioner BK American Power Conversion-APC
JEEP GRAND CHEROKEE 5.2L 8CYL CONTROL ARMS BALL JOINTS TIE RODS STABILIZER BAR
HP 85130A Special 3.5mm female to APC-7 (F-7mm) Adapter Kit
APC KB-1 USPP KB1
APC SUA1500 Smart-UPS 1500 1500VA Battery Backup 120V
CONNECTING PARTS RAM 1500 2500 ADJUSTING SLEEVES TRACK BAR ARM ENDS TIE RODS
APC BP420S USPP BP420S
OMEGA ENGINEERING 4201A-PC1 USPP 4201APC1
APC BK500 BACK-UPS CS 500VA USB 3 Minute Full Load RJ11
APC 450AT USPP 450AT
APC Smart-UPS 2200 Uninterrupted Power Supply 8-Output For Parts or Repair (B)
APC Smart-UPS 2200 Uninterrupted Power Supply 8-Output For Parts or Repair (A)
TOYO DENKI APC-123-QT4486?7 USPP APC123QT44867
APC RBC48 *NEW OUT OF A BOX*
APC 2U Rack-Mountable 700V/480 Joules UPS, SU700RM2U
APC Symmetra PX Battery Unit SYBTU1-PLP
APC G50NETB2 9-OUTLET 15 AMP RACK-MOUNTABLE POWER FILTER
INNER OUTER TIE ROD ENDS UPPER ARM ENDS ADJUSTING SLEEVE RIGHT LEFT FORD
2WD 4WD DODGE RAM 2500 3500 TIE ROD ENDS ADJUSTING SLEEVES BALL JOINTS 5.9L 1998
PAIR SHOCK ABSORBER BALL ENDS RACK ENDS TRACK BAR RIGHT LEFT CHEROKEE COMANCHE
RBC34 Replacement Battery #34 American Power Conversion-APC
RBC8 Replacement Battery #8 American Power Conversion-APC
KIT ACURA CL HONDA ACCORD 1997 CONTROL ARMS W BALL JOINTS BUSHINGS RACK ENDS
APC UPS SUA750_SUA75O_?120 V_750 VA_50/60 Hz_500W Max
SC620 620VA 390W UPS American Power Conversion-APC
APC SMT1000 SMART-UPS BATTERY POWER BACKUP 1000VA 670W 120V TOWER TESKTOP, USB
REFURBISHED, NEW BATTERIES 1YEAR WRTY., FOAM PACKAGING
APC NBPD0123 CCTV Adapter Pod 120
APC Netshelter 42U Black Server Rack Removable Side Panels Wheels Half Door Lock
APC BK500 USPP BK500
KIT SUSPENSION STEERING RACK ENDS BALL JOINT FOR FORD SERIES F SUPER DUTY
APC AP9320 1U ENVIRONMENTAL MANAGEMENT SYSTEM
AR7201 Netshelter SX600MM Roof Black American Power Conversion-APC
APC BR500 NSFP BR500
APC NetBotz NBDA20L1 1-20L AMP Detector ~STSI
APC NetBotz NBDA2001 1-20 AMP Detector ~STSI
APC BP350UC USPP BP350UC
xycom 0343314010000
Ametek Dycor LC Series Power Supply Controller for LC200S Mass Spectrometer
Ametek Isolated RTD Transmitter SC-1372
NEW LAMB AMETEK 116210-85 VACUUM BLOWER MOTOR
NEW AMETEK DREXELBROOK 406-7001-001 HIGH LOW LEVEL ALARM TRANSMITTER 54389
AMETEK CAPACITANCE CAL 401-0006-008
AMETEK Drexelbrook 300 Series Level Control w/Sensor
NEW AMETEK C1929 15-0-15 132872 A51B LM41/21/2ANP GAUGE INCHES OF WATER PRESSVAC
Ametek Inducer Moter Lennox Ser. 06G 83922R MOD. JF1F054N' 44309
AMETEK MODCAL CALIBRATOR / NEW REPLACEMENT PART MODEL 90E1
AMETEK LAMB VACUUM MOTOR NEW 119438-24
AMETEK/PANALAR?M 91AF1KN120AC4C FLASHER/AUDIBL?E BOARD ***NNB***
CHATILLON AMETEK 516-1000 HANDHELD SPRING PUSH PULL GAUGE 2 LB x 1/2 OZ - USED w
NIB AMETEK/USG 4 1/2" GAUGE 1933 6000 PSI
NIB AMETEK/USG ARC-LOC GAUGE 1931 30-0-100 4-1/2"
AMETEK ROTRON Air Flow Switch Model 2C Type 1003 P/N:041101 NIB
Thermax DV12 - 2 Stage Vacuum Motor (Ametek/Lamb) Hot Water Extractors Thermax
Ametek / TCI Diaphragm Type LC 2-150
Ametek / TCI Diaphragm TC 2-150
Ametek / USG Pressure Gauge w/ Seal Diaphragm 0-15 psi
Ametek Diaphragm LC 2-150
Ametek DREXELBROOK Sensing Element Plugged Chute Det.
plaque de détection - détecteur de chute bloquée
NEW! AMETEK LAMB 2-stage Vacuum Motor/Blower 2M424 240 Volt
Repair of Your 115334 Ametek Lamb Central Vacuum Motor
NEW! 115334 Ametek Lamb Motor Armature Bearings Brushes
AMETEK LN-8.8 Force Gauge with Lock Switch
Ametek ML4432-3 Accuforce II Force Gage 0-5 kg, 0-10 lb
AMETEK TAK-ETTE DIGITAL TACHOMETER TACH METER
AMETEK MODEL 116156-00 LOOK !!!
Ametek Digistrobe
Ametek Pressure Control Switch 0-15 PSIG Capsule model 58G0015BN2
Ametek AccuForce Cadet Force Gage Used
AMETEK TRANSDUCER 1986G2GR64SX
Panalarm AMETEK 91TF1KN120AC Plug In Sequence Card 4401296 NOS
AMETEK WINDJAMMER BLOWER, MODEL 1116247-03
NEW AMETEK P1929 3PSI 132791 K40B LM 41/21/2ANPT 0-3 PSI PRESSURE GAUGE
NEW Military Parts Equipmet Ametek 6 1/2 In. Attic Bathroon Ventilation Fan
NOS! AMETEK PRESSURE TRANSDUCER 300PSI 89PGTB300G2CB
NIB AMETEK 6" Pressure Gauge 132639 5801 600PSI 1/4 ANPT LM
NIB AMETEK 6" Pressure Gauge 126671 5801 600PSI 1/4 LM
xycom 0343314010000
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New Ametek Sweeper Scrubber Vaccum Motor 3 Stage Fan 36VDC P/N 116513-13
New Ametek Sweeper Scrubber Vaccum Motor 3 Stage Fan 36VDC P/N 116512-13
New Ametek Sweeper Scrubber Vaccum Motor 3 Stage Fan 24VDC P/N 116515-13
Ametek / USG Pressure Gauge w/ Seal Diaphragm 0-400 kPa
Ametek RTD Transmitter SC-1374 115VAC (NIB)
Ametek/Drexelb?rook Sensing Element 700-0202-002 Probe 19" MWP 50 PSI 300F (NEW)
NEW AMETEK CPI PLUS COMPUTER PRINTER INTERFACE
Ametek Model 1891 RPM Meter
NEW AMETEK DREXELBROOK 409-1200 LEVEL TRANSMITTER
AMETEK chatillon DFE
WORKING DIGISTROBE 1142 CALIBRATION LIGHT AMETEK
Ametek Controls Division Transmitter 83A001E2PB NWOB
AMETEK APPLIED ELECTROCHEMIST?RY R-I FLOW CONTROL
AMETEK FLOW CONTROL APPLIED ELECTROCHEMIST?RY
WORKING DIGISTROBE PI CALIBRATION LIGHT AMETEK
Ametek Drexelbrook Sensing Element 700-0001-016
NIB AMETEK DREXELBROOK SENSING ELEMENT 700-0201-005
Ametek / USG Pressure Gauge w/ Diaphragm 0-762 mmH2O
Ametek / USG Pressure Gauge w/ Seal Diaphragm 0-160 psi
Ametek / USG Pressure Gauge w/ Seal Diaphragm 0-60 psi
Ametek U.S. Gauge Pneumatic Pressure Controller
Ametek / USG Pressure Gauge w/ Diaphragm 0-100 psi
Ametek / USG Pressure Gauge w/ Diaphragm 0-160 psi
Ametek / USG Pressure Gauge w/ Diaphragm 0-60 psi
Ametek / Wika Pressure Gauge w/ Diaphragm 0-400 kPa
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AMETEK/USG ARC-LOC GAUGE 200 PSI 1980 DIAPHRAGM 316L SS
AMETEK DREXELBROOK 406 6200 A02 NEW LEVEL TRANSMITTER
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AMETEK/LAMB ELECTRIC 115330/2M173 VACUUM MOTOR ***XLNT***
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xycom 0343314010000





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