National InstrumentsメーカーPCI-8254Rの使用説明書/サービス説明書
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NI Vision NI PCI-8254R User Manual IEEE 1394a Interface Devi ce with Reconfigurable I/O NI PCI-8254R User Manual February 2007 371578D-01.
Support Worldwide Technical Support and Product Info rmation ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Aust in, Texas 78759-3504 USA Tel: 512 683 0100 Worldwide O.
Important Information Warranty The NI PCI-8 254R is war ranted agains t defects in materials and workmanship for a period of one year from the date of shipmen t, as evidenced by receipts or other documentati on. National Instruments wil l, at its option, repair or replace equipment that proves to be defect ive during the warranty period.
Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless co mmunications from inte rference. The FCC places digital electronics into two classes.
Conventions The follo wing con ventions are used in this manual: » The » symbol l eads you through nested menu item s and dialog box options to a final action. The sequence File»Page Setup»Options directs yo u to pull down the File menu, select the Page Setup item, and select Options from the last dialog box.
© National Instruments Corporation vii NI PCI-8254R User Manual Contents Chapter 1 Introduction Software Overview ......... .............. ............... .............. .............. .............. .............. .......... 1-1 Vision Builder for Automated Inspection .
Contents NI PCI-8254R User Manual viii ni.com Considerations When Connecting the Digital I/O .............. .............. ............... .............. 2-12 Wiring an Isolated Input to a Sourcing Output Dev i ce ..................... .............. 2-12 Wiring an Isolated Output to an Extern al Load .
© National Instruments Corporation 1-1 NI PCI-8254R User Manual 1 Introduction The NI PCI-8254R is a OHCI compli ant IEEE 1394a interface device with reconfigurable I/O (RIO). The NI 8254R device ships with NI V ision Acquisition Software, which contains all of the dri vers in the NI V ision product line.
Chapter 1 Introduction NI PCI-8254R User Manual 1- 2 ni.com Vision Builder for Automated Inspection NI Vision Builder for Automated Inspection (Vision Builder AI) is configurable machine vision software that you can use to prototype, benchmark, and deploy applications.
Chapter 1 Introduction © National Instruments Corporation 1-3 NI PCI-8254R User Manual LabVIEW VI creation wizard, V ision Assistant can create LabVIEW VI diagrams that perform the prototyp e you created in V ision Assistant. Y ou can then use LabVIEW to add functionality to the generated VI.
Chapter 1 Introduction NI PCI-8254R User Manual 1- 4 ni.com Figure 1-1. NI 8254R Block Diagram Start Conditions The NI 8254R can start acquisitions in the following ways: • So f tw a re c o nt ro l —The NI 8254 R supports software control of acquisition start.
© National Instruments Corporation 2-1 NI PCI-8254R User Manual 2 Hardware Over view Digital I/O The digital I/O functions on the NI 8254R are accessible through 2 TTL inputs, 10 TTL output s, 13 isolated inputs, an d 4 isolat ed outputs.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2- 2 ni.com Using National Inst ruments RIO hardware and the LabVIEW FPGA Module, you can define your hardware without in-depth kno wledge of hardware design tools or hardware description languages (HD L).
Chapter 2 Hardware Overview © National Instruments Corporation 2-3 NI PCI-8254R User Manual T able 2-1 summarizes the TTL inp uts and outputs av ailab le on the NI 8254R.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2- 4 ni.com T able 2-2 summarizes the isolated inputs and outputs available on the NI 8254R. I/O for Normal Operation The following sections describe I/O functions that are available on the NI 8254R duri ng normal operation .
Chapter 2 Hardware Over view © National Instruments Corporation 2-5 NI PCI-8254R User Manual T rigger Inputs Trigger inputs are available from bot h TTL inputs and isolated inputs.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2- 6 ni.com If the trigger input is set to Immediate in LabVIEW or using a None status signal in C and V isual Basic, the pulse generation occurs as soon as the pulse mode is set to Start in LabVIEW or imaqIOPulseStart in C and V isual Basic.
Chapter 2 Hardware Overview © National Instruments Corporation 2-7 NI PCI-8254R User Manual Pulse Width Pulse width is t he amount of tim e be tween the first (assertion) edge of a pulse and the second (deassertion) edge. Pulse width is configurable only in microseconds from 1 µs to 4,294,967 ,295 µs.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2- 8 ni.com T rigger Change Detectors The NI 8254R is capable of detecting edges on various trigger lin es and latching this inf ormation for future retrie val.
Chapter 2 Hardware Overview © National Instruments Corporation 2-9 NI PCI-8254R User Manual Based on the input to the product selection port, you can configure the application software to run the ap propriate inspectio n sequence.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2-10 ni.com General-Purpose Inputs The primary difference between gen era l-purpose inputs and trig ger inputs is that you cannot use general-purpose inputs to initi ate a timed pulse generator.
Chapter 2 Hardware Overview © National Instruments Corporation 2-11 NI PCI-8254R User Manual The follo wing sections describe each fault condition. Shutdown Shutdown mode is a so ftware-enabled feature that, when activated, allows an external device to halt the NI 8254R processing operations.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2-12 ni.com Caution Use the Indicator Only option only to test the watchdog timer . If so ftware becomes unresponsiv e, it cannot be relied upon to send notification to the host. • Indicator Only —This option sends the expiration signal back to the dev elop ment machine through software.
Chapter 2 Hardware Overview © National Instruments Corporation 2-13 NI PCI-8254R User Manual Figure 2-5. Connecting isolated input to a sourcing output device Wiring an Isolated Output to an External Load The digital output circuit sources current to external loads, as shown in Figure 2-6.
Chapter 2 Hardware Overview NI PCI-8254R User Manual 2-14 ni.com Protecting Inductive Loads When an inductive load, such as a relay or solenoid, is connect ed to an output, a large counter-electrom otive force may occur at switch ing time due to energy stored in the inductive load.
Chapter 2 Hardware Overview © National Instruments Corporation 2-15 NI PCI-8254R User Manual T ransmission Line Effects Transmission line effects can degr ade the signals on the I/O cables and cause instability.
© National Instruments Corporation 3-1 NI PCI-8254R User Manual 3 Signal Connections The following diagram shows the conn ectors on the NI 8254R. 1 IEEE 1394a Connector 2 IEEE 1394a Connector 3 2-Pos.
Chapter 3 Signal Connections NI PCI-8254R User Manual 3- 2 ni.com T able 3-1 summarizes th e functions of the connectors on the NI 8254R. Connectors This section describes the connectors on the N I 8254R and includes p inouts and signal descriptions for each connector.
Chapter 3 Signal Connections © National Instruments Corporation 3-3 NI PCI-8254R User Manual T able 3-2 summarizes th e functions of the power connector terminals. IEEE 1394a Connector The IEEE 1394a connectors on the NI 8254R provide a reliabl e, high-frequency connection betw een the NI 8254R and up to two DCAM-compliant IEEE 1394 cam eras.
Chapter 3 Signal Connections NI PCI-8254R User Manual 3- 4 ni.com Figure 3-2 illustrates the 44-pin D-SUB connector on the NI 8254R. Figure 3-2. NI 8254R 44-Pin D-SUB Connector T able 3 -3 lists pin numbers, signal names, and signal descriptions fo r the 44-pin D-SUB connector on the NI 8254R and the 37-pin terminal block.
Chapter 3 Signal Connections © National Instruments Corporation 3-5 NI PCI-8254R User Manual 5 6 C Common-mode signal of the NI 8254R main po wer — 6 7 TTL Output 2 Pulse generator output General-p.
Chapter 3 Signal Connections NI PCI-8254R User Manual 3- 6 ni.com 16 2 TTL Input 1 Pulse generator trigger input T rigger Change Detector , General-purpose input 17 3 C Common-mode signal of the NI 82.
Chapter 3 Signal Connections © National Instruments Corporation 3-7 NI PCI-8254R User Manual 27 36 ISO Outp ut 2 General-purpose output — 28 37 ISO Outp ut 3 General-purpose output — 29 12 C iso .
Chapter 3 Signal Connections NI PCI-8254R User Manual 3- 8 ni.com Cabling IEEE 1394 Camera Cables You can connect cameras to the NI 8254R using standard IEEE 1394 cables.
Chapter 3 Signal Connections © National Instruments Corporation 3-9 NI PCI-8254R User Manual Note TRIG 0, TRIG 1, and TRIG 2 signals are not accessible through th e standard 44- to 37-pin cable and I/ O terminal block.
© National Instruments Corporation A- 1 NI PCI-8254R User Manu al A T echnical Support and Professional Ser vices Visit the following sections of the National Instruments Web site at ni.com for technical support an d professional services: • Support —Online technical support resources at ni.
Appendix A T echnical Support and Professional Ser vices NI PCI-8254R User Manual A-2 ni.com • Calibration Certificate —If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration . If you searched ni.
© National Instruments Corporation G-1 NI PCI-8254R User Manual Glossar y A ADE Application development en vironment su ch as LabVIEW , V isual Basic, or Microsoft V isual C. B bandwidth The range of frequencies present in a signal, or the range of frequencies to which a measuring device can respond.
Glossary NI PCI-8254R User Manual G-2 ni.com FireW ire A high-speed serial interface in ve nted b y Apple Comput er in 1989, also known as IEEE 1394 or iLink.
Glossary © National Instruments Corporation G-3 NI PCI-8254R User Manual PLC Programmable Logic Controller . An in dustrial computer used for f actory automation, process control, and manufacturing systems. proximity sensor Optical sensor which toggles an electrical signal when an object passes near it.
© National Instruments Corporation I-1 NI PCI-825 4R User Manual Index A acquisition window control, 1-4 C cabling, 3-8 calibration certificate (NI resources), A-2 connector functions, 3-2 connectors.
Index NI PCI-8254R User Manual I-2 ni.com N National Instruments support and services, A-1 NI 1427 software programming choices NI V ision Builder for Automated Inspection, 1-2 NI V ision De velopment.
Index © National Instruments Corporation I-3 NI PCI-825 4R User Manual T technical support, A-1 timed pulse output initiating, 2-5 ov erview, 2-5 training and certification (NI resources), A-1 transm.
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