IC693ACC301 IC693ACC301
當CPU處理前臺任務時，USB的傳輸可在后臺進行；后臺中斷服務程序和前臺主程序循環之間的數據交換可以通過事件標志和數據緩沖區來實現。當PDIUSBD12從USB收到一個數據包，即對CPU產生一個中斷請求，CPU立刻響應中斷。在中斷服務程序中，固件將數據包從PDIUSBD12內部緩沖區移到循環數據緩沖區，并將PDIUSBD12的內部緩沖區清零，以便接收新的數據包，使CPU可以繼續執行當前的前臺任務直到完成。本文利用PDIUSBD12的端點1進行命令的傳輸和應答，端點1每次接收計算機發送過來的8 B指令，其指令格式如表2所示。例如，接收到十六進制碼52 01 00 03 00 07 00 50，表示讀24C01器件從03字節開始的7個字節的數據。52H為R的ASCII碼，57H為W的ASCII碼。端點2用于數據的傳輸。
PLC的發展趨勢
隨著PLC應用領域日益擴大，PLC技術及其產品結構都在不斷改進，功能日益強大，性價比越來越高。
（1）、在產品規模方面，向兩極發展。一方面，大力發展速度更快、性價比更高的小型和超小型PLC。以適應單機及小型自動控制的需要。另一方面，向高速度、大容量、技術完善的大型PLC方向發展。隨著復雜系統控制的要求越來越高和微處理器與計算機技術的不斷發展，人們對PLC的信息處理速度要求也越來越高，要求用戶存儲器容量也越來越大。
（2）、向通信網絡化發展
PLC網絡控制是當前控制系統和PLC技術發展的潮流。PLC與PLC之間的聯網通信、PLC與上位計算機的聯網通信已得到廣泛應用。目前，PLC制造商都在發展自己的通信模塊和通信軟件以加強PLC的聯網能力。各PLC制造商之間也在協商通用的通信標準，以構成更大的網絡系統。PLC已成為集散控制系統（DCS）*的組成部分。
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鄭娟萍
廈門仲鑫航自動化設備有限公司
（3）、向模塊化、智能化發展
為滿足工業自動化各種控制系統的需要，近年來，PLC廠家先后開發了不少新器件和模塊，如智能I/O模塊、溫度控制模塊和專門用于檢測PLC外部故障的智能模塊等，這些模塊的開發和應用不僅增強了功能，擴展了PLC的應用范圍，還提高了系統的可靠性。
（4）、編程語言和編程工具的多樣化和標準化
多種編程語言的并存、互補與發展是PLC軟件進步的一種趨勢。 PLC廠家在使硬件及編程工具換代頻繁、豐富多樣、功能提高的同時，日益向MAP(制造自動化協議)靠攏，使PLC的基本部件，包括輸入輸出模塊、通信協議、編程語言和編程工具等方面的技術規范化和標準化。
Samsung TS-L162 24x Notebook CD-ROM Drive, Black.
Laser Optics PN: LOI-105-70050 Mirror ?
Toshiba Samsung Storage Tech: TS-L462D CD-RW/DVD
SunX Model: GX-3S DO Proximity Sensor. New Old Stock
Bender Associates EKE Illuminated Fiber Optic Light Source w/ Fostec
Stahl Intrinspak Safety Barrier Model: 9002/22-240-160-00.
Tri-Tronics Model: F-B-36A .062 Bundle Size Sensor
Banner Model: SBFX-1 Multi-Beam Scanner Block
Balluff P/N: BES-516-356-BO-C Inductive Sensor
Banner: SM312FQD Mini-Beam Fiber w/ Banner IAT23S Sensor
Banner Model: MGM24A Beam-Array Mirror
di-soric Model: OLE Q15 M 2000 P3K-TSSL Photo Sensor
BANNER IA1.53SMTAMOP 23660 9609 FIBER OPTIC CABLE NEW
Banner Engineering: STP-9 Specified Test Piece. 3.25" Diameter. P/N: 50694 W
Banner Engineering: STP-5 Specified Test Piece. 2.25" Diameter. P/N: 43837 W
Banner Engineering: STP-3 Specified Test Piece. 1.75" Diameter. P/N: 43958 W
Banner Engineering: STP-4 Specified Test Piece. 1.25" Diameter. P/N: 43836 W
Banner Engineering: STP-2 Specified Test Piece. .75 Diameter. P/N: 43957 W
Banner F1 Multi-Beam w/ Banner BA13SMETA, Wired.
Banner Products Model: D12E2P6FV Sensor w/ (2) Banner IF23S Cables Attached W1
Banner Products Model: SM31RQD Mini-Beam with Cable
Skan A Matic / Clarostat Sensors / SenIsys Model: T31102 Photodetector
(3) MICRO SWITCH FYBC5C5-2 Proximity Sensor, New !! =
Sick Model: WS160-D132 Photoelectric Transmitter
Sick Model: WS160-N132 Photoelectric Receiver
Banner Engineering Model: RWB4 Wiring Base for Maxi-Beam Senso. New Old Stock
Banner CM5RA Maxi-AMP Controller in Hoffman A8066CH
Banner Products Model: D12SP6FP Photoelectric Fiber-Optic Sensor W1
Pepperl+Fuchs Model: UC2000-30GM-IU-V1-HS Ultrasonic Sensorn. New Old Stock
Balluff Model: BIS C-650 / BIS C-6002-019-03-KL2 BIS Processor
Banner OTBVP6 Safety Touch Button with Sensor Cable
Banner: SM312FQD Mini-Beam Fiber w/ Performance Feeders Sensors
Banner SBRF1 Scanner Block 3/4 Wire for Multi-Beam. New Old Stock
Banner Products Model: SM312CV2 Photoelectric Sensor. Unused Old Stock
SunX: NA40-4EUD 4CH End Unit Area Sensor / NA40-MUD Area Sensor Main Unit
BANNER PT200 16411 SENSOR NEW OPEN BOX
PHD 30034 REED SWITCH WITH 10 FT CABLE NEW
Banner Model: AT-FM-2A Machine Safety Module. Blue Label. Working Pull
Lot of Banner Model: PT400 Photo Sensors Qty. 3 New
Lot of Banner Model: PBP Power Blocks, Qty. 6 New
Banner Model: PBA Power Block. New Old Stock
Lot of Banner Model: LM5R Logic Modules, Qty. 4 New
COMPAQ C172281-0005 ALCOA 234451-005 FIBER CABLE NEW
Lof of Pepperl+Fuchs Type: Z129/EX Level Sensors
SunX Model: SS-A5 Manually Sensitivity Set Photoelectric Sensor
Sick Model: CLV442A0010 Optical Sensor. P/N: 1 016 850. DC 10...30V
Banner Products Model: PD45VN6C100 PicoDot Convergent Laser
Lot of Baumer: IFR 06.26.15/L Proximity Sensors, 3
Banner Model: IA13SMTA Fiber Optic Cable
Banner Model: IAT753S Fiber Optic Cable
Banner Model: IT23S Fiber Optic Cable, Used
Banner Model: BF26S Fibr Cable. New Old Stock
Keyence Model: CZ-40 Reflective Fiber Optic Sensor
Balluff PN: BMF 305K-P5-C-2-S4 Inductive Sensor.
SONY LZ60-P2 EXPANSION UNIT BOARD COUNTER BOARD
SunX Model: DP2-40E Pressure Sensor
Banner Products Model: SM312FPQD Mini-Beam Sensor with Cable
Banner Products Model: SM31EQD Mini-Beam Sensor with Cable
Omron Model: E3C-S20W Fiber Optic Sender / Receiver. New Old Stock
Banner: OTBA5 Touch Button w/ Banner OTC-1-BK Bracket
Banner Products Model: SM312LVQD Mini-Beam
Banner Products Model: SM31RQD Mini-Beam
Banner Products Model: SME312FPQD Mini-Beam
Automation Direct: SSP-0N-4A. 3m Retro-REFLECTIVE SENSOR. New Old Stock
Lot of SunX FX-D1P Pushbotton Sensor. Qty. 2
BANNER IMTAP. 753P FIBER OPTIC SENSORS QTY (8) TESTED
Lof of SunX SU7 and NAIS Photoelectric Amplifiers, 4
SunX Model: GLX-N12F Inductive Proximity Sensor
BANNER SP100DSM PHOTOELECTRIC SENSOR. New Old Stock
(3) COMPACT COMTRONIC WSCLRPS Sensor, =
BALLUFF BES Series Sensor BES-516-300-S-279, NEW =
Banner Model: Q146EQ Photoelectric Sensor
Banner Model: Q14RP6RQ Photoelectric Sensor
Dolan Jenner Model: 2010 Fiber Optic Sensor (Sense) . New Old Stock
Baumer Electric IFR 12.24.35/K330 Proximity Sen. New
Pulsotronics Model: 9962-1602 Proximity Sensor
SCAN-A-MATIC R00031 DPDT-10A 9013 NEW
Banner: SM312FVMHSQD Mini-Beam Fiber w/ Banner IAT23S Accessory Cables
Banner: SM312FQD Mini-Beam Fiber w/ Banner IA13S Accessory Cables
Banner: SM312FQD Mini-Beam Fiber w/ 127065 Cable W
Banner: SM312FQD Mini-Beam Fiber w/ Banner IMT.753P Glass Fiber Optic Asm. W
Lof of Banner 1A13S Fiber Optic Cables, Qty. 4 .
Balluff Model: BES 516-325-G-E5-Y-S49 Proximity Sensor
Skan A Matic / Clarostat Sensors / SenIsys Model: R401001 Relay. 115V / 5A
Banner Model: AT-FM-2A Machine Safety Module. Yellow Label. Working Pull
Accent Optical Technologies Q5 Fiber Bundle Cable
SunX Model: CX-21P Photoelectric Sensor
LOT OF BANNER IA.754SMTA FIBER SENSORS, QTY. 2
Leuze Electronic Model: RK 41 Reflective Light Sensor
Banner Engineering: IAT26SM900 Fiber Optic Cable. Unused Old Stock. No Box
Skan A Matic Model T31102 Photoelectric Amp., New
Banner Engineering Model: IAT13S Fiber Optic Cable. Used Pull
Omron Model: E32-TC200 Photoelectric Switch / Fiber Unit. New Old Stock
Banner OPBAE Photocell AC Power Block. New Old Stock
Lot of Two Banner Products: SM312CVQD & SM312FPQD-44541
Banner Model: SM2A312F Mini-Beam Fiber Sensor, Unused
Pepperl+Fuchs Model: NMB2-12GM65-E0-FE Inductive Sen
Banner: SM312FVMHSQD Mini-Beam w/ Banner IMT.753PMSSMOP Accessory Cables
Banner Engineering Model: SE61E Scanner
Omron Model: E32-CC200 Photoelectric Switch / Fiber Unit. New Old Stock
Balluff Model: BES 516-324-E4-C Proximity Sensor. New Old Stock. No Box
Pepperl+Fuchs Model: NBB2-V3-E0-V5 Inductive Sensor. New Old Stock. .
Canfield Connector: D5419-11015 Solenoid Valve Sensor
Banner Model: MIAD9DQ Fiber Optic Sensor
Banner Engineering Model: IAT26S Fiber Optic Cable. Used Pull
Banner Model: RSBF Fiber Optic Head for Maxi
Banner Engineering Model: IT23SM900 Fiber Optic Cable
Panadac (Omron) Model: 918A Proximity Switch
Banner Model: Q45BB6CV445 Series Convergent
Banner Model: PIAT66U Fiber Assembly, Plastic
Omron Model: E3S-AD63 Photoelectric Switch
Sick Model: KT5-P1211 Photoelectric /Optical Sensor
Pepperl+Fuchs Model: NJ5-18GM50-E0 Prox. Sensor,New
Banner Model: SM312FQD Mini-Beam Fiber. Unsued Old Stock. No Box
Banner Model: SM312FPQD Mini-Beam Fiber. Unsued Old Stock. No Box
BANNER ITA23S ITA.23S ITA-23 FIBER OPTIC SENSOR
SunX Model: PM-K53 Photoelectric Connector. New Old Stock. No Box
Banner Model: SP100C Remote Sensor
Precison Multiple Controls Model: P2-275 120V AC Photo Control. New Old Stock
NAiS Model: UZB2110, UBZ Series Sensor Cable . New Old Stock
SunX Model: FX-D1P Pushbotton Sensor
Banner Model: MSE3624 Light Curtain, Receiver
Balluff: BTL02Z3 Micropulse Linear Transducer. BTL5-G11-M0100-P-S32. New Old
BANNER IA.753SMTA FIBER SENSOR QTY (2) NEW NO BOX
12" Overall Fiber Optic Light Cable. 11? Cable. New Old Stock
BANNER ITA2.53P ITA2. 53P FIBER OPTIC CABLE NEW
SunX Model: GA-2D DC Amplifier. New Old Stock
GUARDSTAR B/S/1000/3015CB, P/N: 0966 Light Curtain Set
NAiS UJZ Series Sensor Cable. Model: UZB840. 3 Conn., 1m Length. New Old Stk
Banner: FX-1 Multi-Beam Scanner w/ (2) IAT26S Sensors
SunX Model: FD-G500 Fiber Optic Cable W
Banner Engineering Model: L16F, Part Number 16280 Lens W
Banner: SM312FQD Mini-Beam Fiber w/ Banner IAM.752S Accessory Cables
Banner Model: QH23SP6D Miniture DC Photoelectric Sens.
Banner Model: SM2A312FPQD Mini-Beam Fiber Sensor
IFM Electronics OKF-FNKG Fiber Optic Disconnect, New
Omega Engineering Model: OS550 Infrared Pyrometer
Banner Model: 2PBA Power Block, Part Number: 16546. New Old Stock
BANNER MINI-BEAM SM31EL SENSOR WITH CABLE
Omega Engineering: OS65-MA1-R3-4 Infrared Pyrometer w/ Control Module
Banner Model: 2LM3, 2-Wire Logic Module. Part Number: 16536. New Old Stock
Pepperl+Fuchs Model: NJ8-18GK-WS Proximity Sensor. New Old Stock
SunX Model: PM2-LF10-G5 Micro Size Dufuse Reflective Photoelectric Sensor
Mixed Lot of Pepperl + Fuchs Sensors, See List Below
Banner Products Model: SM312CVQD Mini-Beam
Banner Model: VS1AP5CV20 Proximity Sensor. New Old Stock
Cutler-Hammer: E65 Fiber Optic Accessory, E65KFB1D
IFM Electronic / Efector FT-00-M-V-R4 Fiber Sensor
IFM Electronic / Efector FT-00-M-V-M6 Fiber Sensor
BANNER SP100DSM PHOTO ELECTRIC SENSOR AP100-C3 NEW
BANNER IA.753SMTA & IA.754SMTA ONE EACH NEW
BANNER SK180D 9214 PHOTO SENSOR NEW
Fabco-Air Model: PE-25 Hall Effect Sensor with LED. Piston Position Sensor W
Banner Model: MSCA-1 Mini-Screen Control Box w/ QDC-515C & QDC-525C Cables
Honeywell / Microswitch Model: HPF-T004-H Fiber Cable
Banner Model: D12DAB6FV Photoelectric Sensor
Balluff PN: BES- M12MI-PSC40B-S04G Inductive Sensor. Includes Cable.
Banner Model: PD45VP6LLPQ Photoelectric Sensor
Banner Products: SM312FV MINI-BEAM *
BANNER Model: D12SP6FPQ HIGH SPEED PLASTIC FIBER OPTIC *W2
Sick Model: WS/WES5-P132 Optical Sensor/Thru Beam. New Old Stock
Banner: Q14RP6RQ & Q146EQ attached to Turck Crossover
Molex HPA Model: 74720-0201 Copper HSSDC2 Connector
Balluff PN: BLW-FKM-230-13G2 Air Flow Monitor
Banner Products: SM312FPQD-44541
Banner Products Model: SM312CV2 Photoelectric Sensor
Banner Products Model: MIAD9R Minii-Beam Namur Receiver. Range 6 m W3
Banner Products Model: OTBVN6 Momentary Action Touch Button W3
Fabco-Air Model: PE-10 Piston Position Sensor
Banner Model: SE611E "Econo-Beam Emitter Sensor,
EMX ColorMax Model: CM1000-4RGB4 Color Sensor
Banner Model: USE1624YP2 Light Curtain Emmitter
Balluff Model: BTL-5-E10-M0051-R-S32 Linear Transducer w/ Cable W
NAiS Model: UZB Series Photo Sensor, Model: UZB2110
NAiS Model: UZB Series Photo Sensor, Model: UZB16025
Banner Products Model: MI9E. Minii-Beam Namur Receiver. Range 6 m W3
SunX Model: FT-SFM2SV2 Diffused Reflective Fiber Cable
BANNER IHA26S FIBER SENSOR NEW
Banner Model: USR1224YP2 Light Curtain Receiver. PN: 49606. New Old Stock
PEGASUS IR TYPE K THRU-BEAM AMERICAN SENSOR QTY 6 NEW
Dolan Jenner Model: 2100 LED-PAK IV Input-Output Module. New Old Stock
Banner Products Model: D12SP6FPH Photoelectric Fiber-Optic Sensor W1
Skan A Matic Model T31101 Photoelectric Amp., New
BANNER 27490 0128P CABLE NEW SEALED
Balluff PN: BES-RPT-1804-P-01 Inductive Sensor. New Old Stock. No Box
Banner Model: FX1 Multi-Beam Scanner
Stahl Intrinspak Safety Barrier Model: 9002/77-151-300-001. New Old Stock H
Stahl Intrinspak Safety Barrier Model: 9001/01-158-390-101. New Old Stock H
Banner Model: Q236EQ (46446) Emitter
Banner: SMB30SK (52523) Swivel Clamp Mounting Bracket
Turck P/N: BIM-PST-AN6X-V1131/KLP80, Cyl. Pos. Sensor
Banner Model: PD45VP6C200Q Picodot Convergent Laser
Sick Optic DSD-I-System with DSD-I-E28 Receiver & DSD-I-S28 Transmitter
BANNER LR200 LR-200 16307SENSOR NEW
Banner OTBVP6Q Safety Touch Button with Sensor Cable
SunX Model: FX-7P Fiber Sensor
Balluff Model: BTL-5-E10-M0102-R-S32 *W
Balluff PN: BES-516-325-E4-Y Inductive Sensor. New Old Stock
Banner: SM312FQD Mini-Beam Fiber w/ Banner IA13SMOP Accessory Cables
Link Electric Safety Control Co. Model: LL302-12 Dynamic Brake Controller
Banner Model: RS8 Sensor Module. New Old Stock
Banner Model: MA3-4 Photoelectric Amplifier. New Old Stock
Banner: FX-1 Multi-Beam Scanner with Banner BMT.753P Sensor
Banner OTBVP6LQD Safety Touch Button with Sensor Cable and Cover
Pepperl+Fuchs Model: NJ 2-F1-E2 Inductive Sensor. New Old Stock. .
Banner Model: T18SP6FF100Q Photoelectric Sensor with Banner: MQDC-415RA Cord
ADAPTABEACON 52CR-N5-40WH 120V 0.35A RED TESTED
Fostec / Schott Backlight. 4" x 4.88" Active Area. 9" x 5" x 7/8" Housing
OMRON EP11PF CONNECTING SOCKET 250V 7.5 A QTY (19) NEW
Banner Model: ITA26SM900 Fiber Optic Cable
Banner Model: SE61R Receiver. New Old Stock
