National Instruments NI-9244 Getting Started Manual Download Page 26 | Manualshive

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where

AI0 is the reading from Phase A

AI1 is the reading from Phase B

NI 9244 Getting Started Guide

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© National Instruments

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Summary of Contents for NI-9244

Page 1: ...NI 9244...

Page 2: ...GETTING STARTED GUIDE NI 9244 3 AI 1 Neutral 400 Vrms L N 690 Vrms L L 24 Bit 50 kS s ch Simultaneous...

Page 3: ...Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the NI 9244 only as described in this document Cauti...

Page 4: ...titude Continuous 400 Vrms Measurement Category III Up to 5 000 m altitude Continuous 400 Vrms Measurement Category II or 300 Vrms Measurement Category III Division 2 and Zone 2 hazardous locations ap...

Page 5: ...uding cables bus bars junction boxes switches socket outlets in the fixed installation and stationary motors with permanent connections to fixed installations Caution Do not connect the NI 9244 to sig...

Page 6: ...t to ensure that the terminals are not accessible Safety Guidelines for Hazardous Locations The NI 9244 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 A...

Page 7: ...ardous Locations Use in Europe and Internationally The NI 9244 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO Certificate No 12 ATEX 1202658X and is IECEx UL 14 0089X certified Each NI 92...

Page 8: ...uidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility EMC stated in the product specifications These requirements and limits prov...

Page 9: ...itions for Marine Applications Some products are Lloyd s Register LR Type Approved for marine shipboard applications To verify Lloyd s Register certification for a product visit ni com certification a...

Page 10: ...s 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 altitude 5 000 m Indoor use only Note Refer t...

Page 11: ...NI 9244 Pinout AI0 AI1 AI2 Neutral 0 1 2 3 10 ni com NI 9244 Getting Started Guide...

Page 12: ...l Neutral Referenced single ended analog input connection Connecting Phase Measurements The NI 9244 accepts three phase and single phase measurement configuration Three Phase Measurement Configuration...

Page 13: ...4 Wire WYE Measurement Configuration NI 9244 AI0 Phase A Phase B Phase C Neutral Neutral AI2 AI1 12 ni com NI 9244 Getting Started Guide...

Page 14: ...High Leg Delta Measurement Configuration NI 9244 AI0 Phase A Phase B Phase C Neutral AI2 AI1 Neutral NI 9244 Getting Started Guide National Instruments 13...

Page 15: ...3 Wire Delta Measurement Configuration NI 9244 AI0 Phase A Phase B Phase C AI2 AI1 14 ni com NI 9244 Getting Started Guide...

Page 16: ...I2 AI1 The 9244 cannot measure the entire tolerance range or high crest factor signals on 690 Vrms systems in this configuration Connecting Single Phase Measurement Configurations NI recommends the fo...

Page 17: ...3 Wire Measurement Split Phase Configuration NI 9244 AI0 Neutral AI1 2 Wire Measurement NI 9244 AI0 Neutral 16 ni com NI 9244 Getting Started Guide...

Page 18: ...rrect NI recommends connecting the chassis to earth ground using the chassis grounding screw Refer to your chassis manual for information about connecting the chassis to earth ground High Vibration Ap...

Page 19: ...ector Backshell with the 4 terminal connector on the NI 9244 Complete the appropriate procedure for each wire gauge Installing the NI 9969 Using 12 AWG to 14 AWG Wire What to Use NI 9969 backshell 12...

Page 20: ...o Do 1 2 1 Route wires under the smallest strain relief piece 2 Secure the smallest strain relief piece and the backshell in place using captive screws NI 9244 Getting Started Guide National Instrumen...

Page 21: ...Installing the NI 9969 Using 16 AWG Wire What to Use NI 9969 backshell 16 AWG wire Small and large strain relief pieces Screwdriver 20 ni com NI 9244 Getting Started Guide...

Page 22: ...ef pieces with the small strain relief piece on top of the wires and the large strain relief piece underneath the wires 2 Secure the strain relief pieces and the backshell in place using captive screw...

Page 23: ...Installing the NI 9969 Using 18 AWG to 24 AWG Wire What to Use NI 9969 backshell 18 AWG to 24 AWG wire Largest strain relief piece Screwdriver 22 ni com NI 9244 Getting Started Guide...

Page 24: ...to Do 1 2 1 Route wires under the largest strain relief piece 2 Secure the largest strain relief piece and the backshell in place using captive screws NI 9244 Getting Started Guide National Instrument...

Page 25: ...ne to Earth AIx Neutral where AIx is the analog input channel reading Neutral is the Neutral channel reading Converting L N Measurements to L L To convert L N measurements to L L values calculate the...

Page 26: ...where AI0 is the reading from Phase A AI1 is the reading from Phase B NI 9244 Getting Started Guide National Instruments 25...

Page 27: ...als RELATED INFORMATION C Series Documentation Resources ni com info cseriesdoc Services ni com services Installs with the software NI 9244 Datasheet NI RIO Help LabVIEW FPGA Help NI 9244 Datasheet NI...

Page 28: ...duct Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council o...

Page 29: ...oducts technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents You can find informatio...

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