National Instruments NI 6509 Sinking and Sourcing Examples, Driving a Relay <24 mA

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Sinking and Sourcing Examples

Driving a Relay <24 mA

GND

Load

NI 6509 Flyback Diode for

Inductive Loads

GND

NI 6509

Vcc

GND

NI 6509

Contents

Main USER GUIDE AND SPECIFICATIONS NI 6509 Contents Configuration Programming Devices in Software Functional Overview Safety Information Page Related Documentation Features Digital Filtering Digital Filtering Example Programmable Power-Up States Change Detection Change Detection Example Watchdog Timer Digital I/O Connections Pin Assignments SH100-100-F Connector NI 6509 User Guide and Specifications 12 ni.com Figure 3. SH100-100-F Connector Pinout R1005050 Connector Figure 4. R1005050 Connector Pinout Signal Descriptions Power Connections Signal Connections Protecting Inductive Loads Figure 6. Limiting Flyback Voltages at the Inductive Load Sinking and Sourcing Examples Figure 8. NI 6509 Sourcing Connection Example, <24 mA Driving a Relay <24 mA Figure 7. NI 6509 Sinking Connection Example, <24 mA Driving a Relay >24 mA Figure 11. NI 6509 SSR Connection Example Figure 9. NI 6509 Sinking Connection Example, >24 mA Figure 10. NI 6509 Sourcing Connection Example, >24 mA Driving SSRs Accessories Specifications Power Requirements Digital I/O Digital Logic Levels Input Signals Output Signals (Vcc = 5 V) Physical Characteristics Environmental Operating Environment Storage Environment Shock and Vibration (PXI-6509 Only) Safety Electromagnetic Compatibility CE Compliance Environmental Management RoHS