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Summary of Contents for National Instruments NI 9476
- Page 1 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9476 32-Channel, 24 V, Sourcing Digital Output Module Français Deutsch ni.com/manuals...
- Page 2 This document describes how to use the National Instruments 9476 and includes specifications and pin assignments for the NI 9476. Visit ni.com/info which software you need for the modules you are using. For information about installing, configuring, and programming the system, refer to the system documentation.
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Page 3: Safety Guidelines For Hazardous Locations
Touching this component may result in bodily injury. Safety Guidelines for Hazardous Locations The NI 9476 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nC IIC T4, and Ex nC IIC T4 hazardous locations;... - Page 4 II 3G and is suitable for use in Zone 2 hazardous locations. If you are using the NI 9476 in Gas Group IIC hazardous locations or in ambient temperatures of –40 °C ≤ Ta ≤ 70 °C, you must use the device in an NI chassis that has been evaluated as EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
- Page 5 Power supply and module cables must be separated on opposite sides of the enclosure and must enter and exit through opposing enclosure walls. © National Instruments Corp. and search for the LR certificate, or NI 9476 Operating Instructions and Specifications...
- Page 6 Connecting the NI 9476 The NI 9476 has a 37-pin DSUB connector that provides connections for 32 digital output channels. Figure 1. NI 9476 Pin Assignments NI 9476 Operating Instructions and Specifications DO16 DO17 DO18 DO19 DO20 DO21 DO22 DO23...
- Page 7 The 32 digital output channels are internally referenced to COM. You must connect an external power supply to the NI 9476. The power supply provides the current for the output channels. Connect the positive lead of the power supply to the supply pin, V the negative lead of the power supply to the common pin, COM.
- Page 8 You can directly connect the NI 9476 to a variety of industrial devices such as solenoids, motors, actuators, relays, and lamps. Make sure the devices you connect to the NI 9476 are compatible with the output specifications of the module. Refer to the...
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Page 9: Increasing Current Drive
Figure 3. You must turn all parallel channels on and off simultaneously so that the current on any single channel cannot exceed the 250 mA rating. NI 9476 Figure 3. Increasing the Current to a Device Connected to the NI 9476 © National Instruments Corp. 250 mA 250 mA... - Page 10 Figure 4. NI 9476 Figure 4. Connecting a Flyback Diode to the NI 9476 NI 9476 Operating Instructions and Specifications Flyback Inductive...
- Page 11 The NI 9476 is protected against overcurrent, inrush, and short-circuit conditions in accordance with IEC 1131-2. Understanding Protected Devices Each channel on the NI 9476 has circuitry that protects it from voltage and current surges resulting from short circuits. The NI 9476 can be damaged under overvoltage Caution and reverse bias voltage conditions.
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Page 12: Sleep Mode
In sleep mode, the system consumes minimal power and may dissipate less heat than it does in normal mode. Refer to the Specifications section for more information about power consumption and thermal dissipation. NI 9476 Operating Instructions and Specifications ni.com... -
Page 13: Specifications
Continuous output current (I With 6–30 VDC supply voltage... 250 mA max With 30–36 VDC supply voltage... 200 mA max Output impedance (R © National Instruments Corp. ) per channel ) ... 0.3 Ω max NI 9476 Operating Instructions and Specifications – (I... - Page 14 With all other channels off ... 5 A typ current consumption ... 28 mA max Maximum update rate ... 40 μs max Propagation delay ... 500 μs max NI 9476 Operating Instructions and Specifications channel is shorted to COM or to a voltage up to V ni.com...
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Page 15: Power Requirements
Physical Characteristics If you need to clean the module, wipe it with a dry towel. Weight... 147 g (5.2 oz) © National Instruments Corp. Bellcore Issue 2, Method 1, Case 3, Limited Part Stress Method NI 9476 Operating Instructions and Specifications... - Page 16 Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. Do not connect the NI 9476 to signals or use Caution for measurements within Measurement Categories II, III, or IV.
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Page 17: Isolation Voltages
Certification column. © National Instruments Corp. channels Measurement Category I , verified by a 5 s dielectric withstand test ni.com/certification NI 9476 Operating Instructions and Specifications , search... - Page 18 Europe (DEMKO)... EEx nC IIC T4 Environmental National Instruments C Series modules are intended for indoor use only but may be used outdoors if installed in a suitable enclosure. Refer to the manual for the chassis you are using for more information about meeting these specifications.
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Page 19: Shock And Vibration
Sinusoidal (IEC 60068-2-6) ... 5 g, 10 to 500 Hz Operating shock (IEC 60068-2-27)... 30 g, 11 ms half sine, © National Instruments Corp. noncondensing noncondensing , 10 to 500 Hz 50 g, 3 ms half sine, 18 shocks at 6 orientations NI 9476 Operating Instructions and Specifications... -
Page 20: Electromagnetic Compatibility
EN 61326 EMC requirements; Industrial Immunity • EN 55011 Emissions; Group 1, Class A • CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A For EMC compliance, operate this device with Note shielded cabling. NI 9476 Operating Instructions and Specifications ni.com... -
Page 21: Environmental Management
Certification column. Environmental Management National Instruments is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial not only to the environment but also to NI customers. - Page 22 WEEE recycling centers and National Instruments WEEE initiatives, visit environment/weee.htm National Instruments ni.com/environment/rohs_china about China RoHS compliance, go to environment/rohs_china NI 9476 Operating Instructions and Specifications ni.com/environment At the end of their life cycle, all products National Instruments RoHS . This page ni.com/...
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Page 23: Where To Go For Support
Where to Go for Support The National Instruments Web site is your complete resource for technical support. At you have access to ni.com/support everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers. - Page 24 Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.
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