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Special Conditions for Marine Applications

Some products are approved for marine (shipboard) applications. To verify marine

approval certification for a product, visit 

ni.com/product-certifications

, search by

model number, and click the appropriate link.

Notice

 In order to meet the EMC requirements for marine applications,

install the product in a shielded enclosure with shielded and/or filtered

power and input/output 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 the environment in which you are using the NI-9234 meets the following

specifications.

Operating temperature (IEC 60068-2-1, IEC 60068-2-2)

-40 °C to 70 °C

Operating humidity (IEC 60068-2-30)

10% RH to 90% RH, noncondensing

Pollution Degree

2

Maximum altitude

5,000 m

Indoor use only.

Note

 Refer to the NI-9234 Specifications on 

ni.com/manuals

 for

complete specifications.

Connecting the NI 9234

The NI 9234 provides connections to four simultaneously sampled analog input

channels.

ni.com

6

NI-9234 Getting Started

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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