National Instruments NI 9475 Getting Started Manual Download Page 14 | Manualshive

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National Instruments NI 9475 Getting Started Manual Download Page 14

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Increasing Current Drive

Each channel has a continuous output current of 1 A. If you want
to increase the output current to a device, you can connect any
number of channels together in parallel. For example, if you want
to drive 4 A of current, connect DO<0..3> in parallel as shown in
the following figure. You must turn all parallel channels on and
off simultaneously so that the current on any single channel
cannot exceed the 1 A rating.

NI 9475 Getting Started Guide

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Summary of Contents for NI 9475

Page 1: ...derutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In s...

Page 2: ...GETTING STARTED GUIDE NI 9475 8 Channel 60 V High Speed Sourcing Digital Output Module hnology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Page 3: ...h component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the NI 9475 only as described in this document Caution Do not operate the NI 9475 in a...

Page 4: ...cuits not directly connected to the electrical distribution system referred to as MAINS voltage MAINS is a hazardous live electrical supply system that powers equipment This category is for measuremen...

Page 5: ...is performed only by qualified personnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Ensure that devic...

Page 6: ...jury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not remove modules unless power has been swit...

Page 7: ...X certified Each NI 9475 is marked II 3G and is suitable for use in Zone 2 hazardous locations in ambient temperatures of 40 C Ta 70 C If you are using the NI 9475 in Gas Group IIC hazardous locations...

Page 8: ...ents and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic environment This product is intended for use in indu...

Page 9: ...y Lloyd s Register certification for a product visit ni com certification and search for the LR certificate or look for the Lloyd s Register mark on the product Caution In order to meet the EMC requir...

Page 10: ...idity IEC 60068 2 78 10 RH to 90 RH noncondensing Pollution Degree 2 Maximum altitude 2 000 m Indoor use only Note Refer to the device datasheet on ni com manuals for complete specifications Connectin...

Page 11: ...DO6 Vsup DO7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 0 3 4 7 Signals Each channel of the NI 9475 has a DO pin to which you can connect a device Each channel also has a COM pi...

Page 12: ...ect an external power supply to the NI 9475 This power supply provides the current for the devices you connect to the module Connect the positive lead of the power supply to Vsup and the negative lead...

Page 13: ...ations of the module Connect the device to DO and connect the common of the device to COM Figure 2 Connecting a Device to the NI 9475 External Power Supply Device COM DO Vsup NI 9475 Note When the dev...

Page 14: ...connect any number of channels together in parallel For example if you want to drive 4 A of current connect DO 0 3 in parallel as shown in the following figure You must turn all parallel channels on...

Page 15: ...nal Power Supply Device Vsup I O Protection The NI 9475 provides overcurrent protection Each channel has circuitry that protects it from current surges resulting from short circuits as described in th...

Page 16: ...depends on factors such as the current level temperature and power supply Higher inrush currents that exist for less than the trip time The circuit protection does not trip Note Refer to the NI 9475...

Page 17: ...if an overcurrent condition occurs A channel LED may be on even if the channel is off because of an overcurrent condition To determine if the channel is in an overcurrent state measure the voltage be...

Page 18: ...the cause of an overcurrent condition reset the channel by turning it off Alternatively you can disconnect the external power supply from the module However doing so disconnects power from all the mod...

Page 19: ...ATED INFORMATION Services ni com services NI 9475 Datasheet NI RIO Help LabVIEW FPGA Help NI 9475 Datasheet NI DAQmx Help LabVIEW Help C Series Documentation Resources ni com info cseriesdoc 18 ni com...

Page 20: ...istration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European C...

Page 21: ...chnology 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 e...

Page 22: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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