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Summary of Contents for National Instruments NI 9476E
- Page 1 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9476E 32-Channel, 24 V Sourcing Digital Output Module...
- Page 2 The NI 9476E must be installed inside a suitable Caution enclosure prior to use. Hazardous voltages may be present. Do not operate the NI 9476E in a manner not Caution specified in these operating instructions. Product misuse can result in a hazard. You can compromise the safety protection built into the product if the product is damaged in any way.
- Page 3 NI 9476E Dimensions The following figure shows the dimensions of the NI 9476E. Figure 1. NI 9476E Dimensions in Millimeters (Inches) 73.4 (2.89) 0.0 (0.00) NI 9476E Operating Instructions and Specifications | © National Instruments | 3...
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Page 4: Connecting The Ni 9476E
Connecting the NI 9476E The NI 9476E has a 37-pin DSUB connector that provides connections for 32 digital output channels. Figure 2. NI 9476E Pin Assignments DO16 DO17 DO18 DO19 DO20 DO21 DO22 DO23 Vsup Vsup Vsup Vsup DO24 DO25... - Page 5 V and COM pins is powered on. The NI 9476 has current sourcing outputs, meaning the DO pin is driven to V when the channel is turned on. NI 9476E Operating Instructions and Specifications | © National Instruments | 5...
- Page 6 Figure 3. Connecting a Device to the NI 9476 External Power Supply Device NI 9476 To ensure a grounded connection, use shielded Caution I/O cables and tie the shield to the chassis ground. 6 | ni.com | NI 9476E Operating Instructions and Specifications...
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Page 7: Increasing Current Drive
250 mA rating. Figure 4. Increasing the Current to a Device Connected to the NI 9476 250 mA External Power 250 mA Supply Device 250 mA 250 mA NI 9476 NI 9476E Operating Instructions and Specifications | © National Instruments | 7... -
Page 8: Protecting The Module From Flyback Voltages
Figure 5. Figure 5. Connecting a Flyback Diode to the NI 9476 External Power Supply Flyback Inductive Diode Device NI 9476 8 | ni.com | NI 9476E Operating Instructions and Specifications... -
Page 9: Understanding Protected Devices
Each channel has a status line that indicates in software whether the channel is in an overcurrent state. Refer to the software help for information about reading output status. NI 9476E Operating Instructions and Specifications | © National Instruments | 9... -
Page 10: 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. 10 | ni.com | NI 9476E Operating Instructions and Specifications... -
Page 11: Specifications
With 6 to 30 VDC supply voltage ......250 mA max With 30 to 36 VDC supply voltage ......200 mA max Output impedance (R ) ..... 0.3 Ω max NI 9476E Operating Instructions and Specifications | © National Instruments | 11... - Page 12 3 A typ With all other channels off ..5 A typ current consumption ....28 mA max Maximum update rate ....... 40 μs max Propagation delay ......500 μs max 12 | ni.com | NI 9476E Operating Instructions and Specifications...
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Page 13: Power Requirements
Active mode ....... 1.5 W max Sleep mode ......... 30 mW max Physical Characteristics If you need to clean the module, wipe it with a dry towel. Weight..........46 g (1.6 oz) NI 9476E Operating Instructions and Specifications | © National Instruments | 13... -
Page 14: Maximum Voltage
Do not connect the NI 9476 to signals or use Caution for measurements within Measurement Categories II, III, or IV. The maximum voltage that can be applied or output between V and COM without creating a safety hazard. 14 | ni.com | NI 9476E Operating Instructions and Specifications... - Page 15 2,000 m altitude ..1,000 V , verified by a 5 s dielectric withstand test up to 5,000 m altitude ..500 V , verified by a 5 s dielectric withstand test NI 9476E Operating Instructions and Specifications | © National Instruments | 15...
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Page 16: Safety Standards
To obtain product certifications and the DoC for this product, visit ni.com/ , search by module number or product line, and certification click the appropriate link in the Certification column. 16 | ni.com | NI 9476E Operating Instructions and Specifications... -
Page 17: Shock And Vibration
(IEC 60068-2-1, IEC 60068-2-2) ..-40 to 85 °C Measure the local ambient temperature by placing Note thermocouples on both sides of the PCB, 0.2 in. (5 mm) from the board surface. Avoid placing thermocouples next NI 9476E Operating Instructions and Specifications | © National Instruments | 17... -
Page 18: Environmental Management
NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers. 18 | ni.com | NI 9476E Operating Instructions and Specifications... -
Page 19: Waste Electrical And Electronic Equipment (Weee)
WEEE Directive 2002/96/EC on Waste and Electronic Equipment, visit ni.com/environment/ weee National Instruments (RoHS) National Instruments RoHS (For information ni.com/environment/rohs_china about China RoHS compliance, go to ni.com/ environment/rohs_china NI 9476E Operating Instructions and Specifications | © National Instruments | 19... -
Page 20: Worldwide Support And Services
(EMC) and product safety. You can obtain the DoC for your product by visiting . If your product supports calibration, ni.com/certification you can obtain the calibration certificate for your product ni.com/calibration 20 | ni.com | NI 9476E Operating Instructions and Specifications... - Page 21 For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents . You can find information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product.
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