National Instruments SCXI-1129 User Manual
Also see for SCXI-1129: Getting started guideGetting started guideGetting started guideUser manualUser manual
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Contents
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Chapter 1 Installing and Configuring the SCXI-1129SCXI-1129 User Manual 1-4 ni.compower the device off and do not use it until service-trained personnel can check its safety.If necessary, return the device to National Instruments for service and repair to ensure thatits safety is not compromised.Do not operate this equipment in a manner that contradicts the information specified in thisdocument. Misuse of this equipment could result in a shock hazard.Do not substitute parts or modify equipment. Because of the danger of introducingadditional hazards, do not install unauthorized parts or modify the device. Return thedevice to National Instruments for service and repair to ensure that its safety features arenot compromised.You must insulate all of your signal connections to the highest voltage with which theSCXI-1129 can come in contact.When using the device with high common-mode voltages, you must insulate your signalwires for the highest input voltage. National Instruments is not liable for any damages orinjuries resulting from inadequate signal wire insulation. Use only 26-20 AWG wire witha minimum voltage rating of 150 V and a temperature value of 60 °C for measuring upto 150 V.When connecting or disconnecting signal lines to the SCXI terminal block screw terminals,make sure the lines are powered off. Potential differences between the lines and the SCXIground can create a shock hazard while you connect the lines.Connections, including power signals to ground and vice versa, that exceed any of themaximum signal ratings on the SCXI device can create a shock or fire hazard, or candamage any or all of the boards connected to the SCXI chassis, the host computer, and theSCXI device. National Instruments is not liable for any damages or injuries resulting fromincorrect signal connections.If hazardous voltages (≥30 V rms and 42.4 V peak or 60 VDC) are present, you must connecta safety earth-ground wire to the terminal block safety-ground lug, shown in Figure 1-1.This complies with safety agency requirements and protects against electric shock whenthe terminal block is not connected to the chassis. To connect the safety earth-ground to thesafety-ground lug, run an earth-ground wire from the signal source to the terminal block.National Instruments is not liable for any damages or injuries resulting from inadequatesafety earth-ground connections.Do not loosen or re-orient the safety-ground lug hardware when connecting thesafety-ground wire; to do so reduces the safety isolation between the high voltage andsafety ground. |
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