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General| Brand | National Instruments |
|---|---|
| Model | 9401 |
| Category | I/O Systems |
| Language | English |
Caution against operating the NI 9401 in unintended ways, as misuse can lead to hazards.
Guidelines for using the NI 9401 in specified hazardous locations like Class I, Division 2.
Key cautions for hazardous locations regarding component substitution, enclosures, and signal limits.
Ensuring EMC performance requires shielded cables, accessories, and a specific ferrite bead.
EMC requirements for marine applications include shielded enclosures and careful cable/probe selection.
Details signal types (COM, DIO, NC) and how DIO channels are grouped into ports.
Instructions for connecting a Serial Peripheral Interface (SPI) device to the NI 9401.
Guidance on connecting various types of digital devices to the NI 9401.
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