NI-9425 Getting Started Overview This document explains how to connect to the NI-9425. In this document, the NI-9425 with spring terminal and the NI-9425 with DSUB are referred to inclusively as the NI-9425. Note Before you begin, read the NI-9425 Safety, Environmental, and Regulatory Information document on ni.com/manuals...
When module terminals are hazardous voltage LIVE (>42.4 V V DC), you must ensure that devices and circuits connected to the module are properly insulated from human contact. NI-9425 with Spring Terminal Safety Voltages Connect only voltages that are within the following limits. Channel-to-channel Up to 8 channels simultaneously ±60 V maximum...
Safety Guidelines for Hazardous Locations The NI-9425 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;...
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NI-9425 Getting Started NI-9425 in a potentially explosive environment. Not following these guidelines may result in serious injury or death. Caution Do not disconnect I/O-side wires or connectors unless power has been switched off or the area is known to be nonhazardous.
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. Special Conditions for Marine Applications Some products are approved for marine (shipboard) applications.
-40 °C to 70 °C Operating humidity (IEC 60068-2-30) 10% RH to 90% RH, noncondensing Pollution Degree Maximum altitude 5,000 m Indoor use only. Note Refer to the NI-9425 Specifications on ni.com/manuals complete specifications. NI 9425 Pinout DI16 DI17 DI16 DI18...
You must use 2-wire ferrules to create a secure connection when connecting ■ more than one wire to a single terminal on the NI-9425 with spring terminal. For the NI-9425 with spring terminal, push the wire into the terminal when ■...
High-Vibration Application Connections If your application is subject to high vibration, NI recommends that you use the cRIO-9940 backshell kit to protect connections to the NI-9425 with spring terminal. Where to Go Next CompactRIO...
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