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You can enable excitation current on a per-channel basis. Refer to your software

help for more information about excitation current.

Overvoltage Protection

The NI-9234 provides overvoltage protection for each channel.

Note

 Refer to the NI-9234 Specifications on 

ni.com/manuals

 for more

information about overvoltage protection.

Where to Go Next

NI Services

Visit 

ni.com/support

 to find support resources including documentation,

downloads, and troubleshooting and application development self-help such as

tutorials and examples.
Visit 

ni.com/services

 to learn about NI service offerings such as calibration options,

repair, and replacement.
Visit 

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 to register your NI product. Product registration 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.

© National Instruments

9

NI-9234 Getting Started

© 2022 National Instruments Corporation.

Summary of Contents for NI 9234

Page 1: ...NI 9234 Getting Started 2022 07 06...

Page 2: ...5 Special Conditions for Marine Applications 5 Preparing the Environment 6 Connecting the NI 9234 6 Signal Descriptions 7 Connecting Floating Differential Signals 7 Connecting Grounded Differential Si...

Page 3: ...lisation L utilisation du produit de toute autre fa on que celle sp cifi e risque de l endommager et de compromettre la protection de s curit int gr e Safety Voltages Connect only voltages that are wi...

Page 4: ...tool secured cover door where a minimum protection of at least IP54 is provided Caution For Division 2 and Zone 2 applications connected signals must be within the following limits Capacitance 0 2 F...

Page 5: ...ated in the product specifications These requirements and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic env...

Page 6: ...signing selecting and installing measurement probes and cables to ensure that the desired EMC performance is attained Preparing the Environment Ensure that the environment in which you are using the N...

Page 7: ...ignal Description AI Provides DC excitation when enabled and positive input signal connection AI Provides excitation return path and signal ground reference Table 1 Signal Descriptions Connecting Floa...

Page 8: ...of reading per ohm of AI impedance The common mode bias current causes an error only with grounded sources and is not an issue with floating signal sources For best accuracy use low impedance leads wh...

Page 9: ...port resources including documentation downloads and troubleshooting and application development self help such as tutorials and examples Visit ni com services to learn about NI service offerings such...

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