National Instruments NI 9474 Getting Started Manual

document, the NI 9474 with screw terminal and the NI 9474 with spring terminal are referred to inclusively as the NI 9474. 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 ...

repair. Hazardous Voltage This icon denotes a warning advising you to take precautions to avoid electrical shock with the NI 9474 with screw terminal and the NI 9474 with spring terminal. Safety Voltages Connect only voltages that are within the following limits. Channel-to-COM 30 VDC maximum Isolation Cha ...

that provided by a standard wall outlet, for example, 115 V for U.S. or 230 V for Europe. Caution Do not connect the NI 9474 to signals or use for measurements within Measurement Categories III or IV. Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the devic ...

properly insulated from human contact. You must use the NI 9927 connector backshell kit with the NI 9474 with screw terminal and the NI 9981 connector backshell kit with the NI 9474 with spring terminal to ensure that the terminals are not accessible. Safety Guidelines for Hazardous Locations The NI 9474 is su ...

suitability 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 applications, install a protection device between the Vsup and COM terminals on the NI 9474. The device ...

disturbances do not exceed 140% of the rated voltage. Caution The system shall only be used in an area of not more than Pollution Degree 2, as defined in IEC 60664-1. Caution The system shall be mounted in an ATEX/IECEx-certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC ...

product is used in residential or commercial areas. To minimize interference with radio and television reception and prevent unacceptable performance degradation, install and use this product in strict accordance with the instructions in the product documentation. Furthermore, any changes ...

is attained. Preparing the Environment Ensure that the environment in which you are using the NI 9474 meets the following specifications. Operating temperature (IEC 60068-2-1, IEC 60068-2-2) -40 °C to 70 °C Operating humidity (IEC 60068-2-78) 10% RH to 90% RH, noncondensing Pollution Degree 2 Maximum al ...

DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Vsup COM 0 1 2 3 4 5 6 7 8 9 DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Vsup COM 0 1 2 3 4 5 6 7 8 9 10 | ni.com | NI 9474 Getting Started Guide ...