National Instruments NI-9234 Getting Started
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- Operating instructions manual (37 pages) ,
- Getting started manual (19 pages) ,
- Calibration procedure (17 pages)
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Summary of Contents for National Instruments NI-9234
- Page 1 NI-9234 Getting Started 2022-07-06...
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Page 2: Table Of Contents
NI-9234 Getting Started Contents Before You Begin............. . . 3 Safety Guidelines. -
Page 3: Before You Begin
Safety Guidelines for Hazardous Locations The NI-9234 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4 Gc and Ex nA IIC T4 Gc hazardous locations;... - Page 4 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-9234 in Gas Group IIC hazardous locations, you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
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Page 5: Electromagnetic Compatibility Guidelines
Furthermore, any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules. © National Instruments... -
Page 6: Special Conditions For Marine Applications
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... -
Page 7: Signal Descriptions
Provides DC excitation (when enabled) and positive input signal connection Provides excitation return path and signal ground reference Table 1. Signal Descriptions Connecting Floating Differential Signals You can connect floating differential signals to the NI-9234. Figure 2. Connecting Floating Differential Signals to the NI-9234 Signal Source –... -
Page 8: Common-Mode Bias Current
NI-9234 Getting Started Connecting Grounded Differential Signals You can connect grounded differential signals to the NI-9234. Figure 3. Connecting Grounded Differential Signals to the NI-9234 Signal Source – NI 9234 AI– Common Mode Voltage Related concepts Overvoltage Protection ■ Common-Mode Bias Current The NI 9234 uses common-mode bias current to bias the current-limiting diodes when IEPE current is turned off. -
Page 9: Overvoltage Protection
NI-9234 Getting Started 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.