NI-9211 Getting Started Before You Begin Read the NI-9211 Safety, Environmental, and Regulatory Information and complete the software and hardware installation procedures in your chassis documentation. Safety Guidelines Caution Observe all instructions and cautions in the user documentation. Using the product in a manner not specified can damage the product and compromise the built-in safety protection.
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NI-9211 Getting Started Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the product, take the following precautions. A hazardous voltage is a voltage greater than: 30 V RMS, 42.4 V peak, or 60 V DC in DRY LOCATIONS ■...
Safety Guidelines for Hazardous Locations The NI-9211 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;...
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-9211 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.
EMC performance is attained. Preparing the Environment Ensure that the environment in which you are using the NI-9211 meets the following specifications. Operating temperature (IEC 60068-2-1, IEC 60068-2-2) -40 °C to 70 °C...
NI-9211 Getting Started NI 9211 Pinout TC0+ TC0– TC1+ TC1– TC2+ TC2– TC3+ TC3– Signal Description Common reference connection to isolated ground No connection Positive thermocouple connection Negative thermocouple connection Table 1. Signal Descriptions Connecting a Thermocouple Shield Thermocouple TC–...
Minimize adjacent heat sources and air flow across the terminals. ■ Keep the ambient temperature as stable as possible. ■ Make sure the NI-9211 terminals are facing forward or upward. ■ Keep the NI-9211 in a stable and consistent orientation. ■...
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