用户手册目录NI PCI-8254R User Manual1Support2Worldwide Technical Support and Product Information2National Instruments Corporate Headquarters2Worldwide Offices2Important Information3Warranty3Copyright3Trademarks3Patents3WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS3Compliance4Conventions5Contents6Chapter 1 Introduction8Software Overview8Vision Builder for Automated Inspection9Vision Development Module9IEEE 1394 and NI 8254R10Functional Overview10Figure 1-1. NI 8254R Block Diagram11Start Conditions11Acquisition Window Control11Chapter 2 Digital I/O12RIO and LabVIEW FPGA12TTL Inputs and Outputs13Table 2-1. NI 8254R TTL Inputs and Outputs13Isolated Inputs and Outputs14Table 2-2. NI 8254R Isolated Inputs and Outputs15I/O for Normal Operation15Trigger Inputs16Timed Pulse Output16Initiating a Timed Pulse16Pulse Modes17Pulse Delay17Pulse Width18Trigger Polarity18Trigger Change Detectors19Quadrature Encoder19Product Selection Port19Using ISO Input 5 as a Latch20Table 2-3. NI 8254R Product Selection Ports20General-Purpose I/O20General-Purpose Inputs20General-Purpose Outputs21I/O for Fault Conditions21Table 2-4. Fault Condition Behavior21Shutdown22Watchdog Timer22Considerations When Connecting the Digital I/O23Wiring an Isolated Input to a Sourcing Output Device23Wiring an Isolated Output to an External Load24Protecting Inductive Loads25Transmission Line Effects26Chapter 3 Signal Connections27Table 3-1. NI 8254R Connector Functions28Connectors282-Position Isolated Outputs Power Connector28Figure 3-1. NI 8254R Isolated Power Connector28Table 3-2. Power Connector Terminals29IEEE 1394a Connector29General-Purpose Digital I/O29Figure 3-2. NI 8254R 44-Pin D-SUB Connector30Table 3-3. Signal Connections30Cabling34IEEE 1394 Camera Cables34I/O Terminal Block35NI Vision I/O Terminal Block and Prototyping Accessory35Power Requirements35Isolated Outputs Power Connector35Figure 3-3. NI 8254R Isolated Power Connector35Table 3-4. Power Connector Terminals36Appendix A Technical Support and Professional Services37Glossary39A-E39F-N40P-T41V42Index43A-L43N-S44T-W45文件大小： 383.4 KB页数： 45Language: English打开用户手册
用户手册目录NI PCI-8254R User Manual1Support2Worldwide Technical Support and Product Information2National Instruments Corporate Headquarters2Worldwide Offices2Important Information3Warranty3Copyright3Trademarks3Patents3WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS3Compliance4Conventions5Contents6Chapter 1 Introduction8Software Overview8Vision Builder for Automated Inspection9Vision Development Module9IEEE 1394 and NI 8254R10Functional Overview10Figure 1-1. NI 8254R Block Diagram11Start Conditions11Acquisition Window Control11Chapter 2 Digital I/O12RIO and LabVIEW FPGA12TTL Inputs and Outputs13Table 2-1. NI 8254R TTL Inputs and Outputs13Isolated Inputs and Outputs14Table 2-2. NI 8254R Isolated Inputs and Outputs15I/O for Normal Operation15Trigger Inputs16Timed Pulse Output16Initiating a Timed Pulse16Pulse Modes17Pulse Delay17Pulse Width18Trigger Polarity18Trigger Change Detectors19Quadrature Encoder19Product Selection Port19Using ISO Input 5 as a Latch20Table 2-3. NI 8254R Product Selection Ports20General-Purpose I/O20General-Purpose Inputs20General-Purpose Outputs21I/O for Fault Conditions21Table 2-4. Fault Condition Behavior21Shutdown22Watchdog Timer22Considerations When Connecting the Digital I/O23Wiring an Isolated Input to a Sourcing Output Device23Wiring an Isolated Output to an External Load24Protecting Inductive Loads25Transmission Line Effects26Chapter 3 Signal Connections27Table 3-1. NI 8254R Connector Functions28Connectors282-Position Isolated Outputs Power Connector28Figure 3-1. NI 8254R Isolated Power Connector28Table 3-2. Power Connector Terminals29IEEE 1394a Connector29General-Purpose Digital I/O29Figure 3-2. NI 8254R 44-Pin D-SUB Connector30Table 3-3. Signal Connections30Cabling34IEEE 1394 Camera Cables34I/O Terminal Block35NI Vision I/O Terminal Block and Prototyping Accessory35Power Requirements35Isolated Outputs Power Connector35Figure 3-3. NI 8254R Isolated Power Connector35Table 3-4. Power Connector Terminals36Appendix A Technical Support and Professional Services37Glossary39A-E39F-N40P-T41V42Index43A-L43N-S44T-W45文件大小： 383.4 KB页数： 45Language: English打开用户手册
