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NI-9472 Getting 

Started

2022-07-06

Summary of Contents for NI 9472

Page 1: ...NI 9472 Getting Started 2022 07 06...

Page 2: ...ic Compatibility Guidelines 8 Special Conditions for Marine Applications 8 Preparing the Environment 9 NI 9472 Pinout 9 Connecting Digital Devices 10 Increasing Current Drive 11 High Vibration Applica...

Page 3: ...cumentation for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Caution Observe all instructions and cautions in the user documentation Usi...

Page 4: ...ans ces cat gories Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system This category refers to local level electrical distributio...

Page 5: ...r damage to the insulation An analysis of the working voltages loop impedances temporary overvoltages and transient overvoltages in the system must be conducted prior to making measurements Mise en ga...

Page 6: ...nded for direct connection to the MAINS building installations of Measurement Categories CAT II CAT III or CAT IV Safety Guidelines for Hazardous Voltages You can connect hazardous voltages only to th...

Page 7: ...move modules unless power has been switched off or the area is known to be nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 or Zone 2 Caution The system mu...

Page 8: ...EMC stated in the product specifications These requirements and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagne...

Page 9: ...ports In addition take precautions when designing selecting and installing measurement probes and cables to ensure that the desired EMC performance is attained Preparing the Environment Ensure that t...

Page 10: ...472 with spring terminal Signal Description COM Common reference connection to isolated ground DO Digital output signal connection Vsup Voltage supply connection Table 1 NI 9472 Signal Descriptions LE...

Page 11: ...at ni com manuals for output specifications Note When the industrial device is off DO is not connected to COM For large source impedances you must use a pull down resistor between DO and COM Go to ni...

Page 12: ...h the NI 9472 with spring terminal I O Protection The NI 9472 provides short circuit protection Each channel has circuitry that protects it from current surges resulting from short circuits over 14 A...

Page 13: ...ate measure the voltage between DO and Vsup If the voltage is equal to the voltage of the external power supply connected to the module the channel is in an overcurrent state Resetting Channels after...

Page 14: ...stration facilitates technical support and ensures that you receive important information updates from NI NI corporate headquarters is located at 11500 N Mopac Expwy Austin TX 78759 3504 USA ni com 14...

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