National Instruments NI 9401 Manual Download Page 3

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Overview

This document explains how to connect to the NI 9401.

Note

Before you begin, complete the software and hardware installation

procedures in your chassis documentation.

Note

The guidelines in this document are specific to the NI 9401. The

other components in the system might not meet the same safety ratings.

Refer to the documentation for each component in the system to

determine the safety and EMC ratings for the entire system.

<National Instruments>\_Legal Information directory for information about NI

compliance.

Safety Guidelines

Operate the NI 9401 only as described in this document.

Caution

Do not operate the NI 9401 in a manner not specified in this

document. Product misuse can result in a hazard. You can compromise the

safety protection built into the product if the product is damaged in any

way. If the product is damaged, return it to NI for repair.

© National Instruments

NI-9401

Summary of Contents for NI 9401

Page 1: ...NI 9401 2023 04 25...

Page 2: ...tromagnetic Compatibility Guidelines 6 Preparing the Environment 7 Connecting the NI 9401 8 NI 9401 Signals 8 Ports 8 Connecting a Serial Peripheral Interface Device 8 Connecting Digital Devices 9 Ove...

Page 3: ...entire system 2005 2015 National Instruments Corporation All rights reserved Refer to the National Instruments _Legal Information directory for information about NI copyright patents trademarks warra...

Page 4: ...is category is for measurements of voltages from specially protected secondary circuits Such voltage measurements include signal levels special equipment limited energy parts of equipment circuits pow...

Page 5: ...for Class I Division 2 Caution For Division 2 and Zone 2 applications install the system in an enclosure rated to at least IP54 as defined by IEC EN 60079 15 Caution For Division 2 and Zone 2 applica...

Page 6: ...tection against harmful interference when the product is operated in the intended operational electromagnetic environment This product is intended for use in industrial locations However harmful inter...

Page 7: ...s Register certification for a product visit ni com certification and search for the LR certificate or look for the Lloyd s Register mark on the product Caution In order to meet the EMC requirements f...

Page 8: ...6 NC DIO7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 NI 9401 Signals Table 1 Signal Descriptions Signal Description COM Common reference connection to isolated ground DIO Digita...

Page 9: ...V DIO1 COM DIO7 NI 9401 LED Switch DIO0 TTL Signal DIO3 0 Configured for Input DIO7 4 Configured for Output Overcurrent Short Circuit Protection The overcurrent protection allows only a specified amou...

Page 10: ...hnical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using the manu...

Page 11: ...websites which provide up to date contact information support phone numbers email addresses and current events National Instruments 11 NI 9401 2023 National Instruments Corporation...