National Instruments NI-9244 Getting Started Download | Manualshive

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NI-9244 Getting

Started

2022-07-06

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Summary of Contents for NI-9244

Page 1: ...NI 9244 Getting Started 2022 07 06...

Page 2: ...lications 7 Preparing the Environment 7 NI 9244 Pinout 7 Connecting Phase Measurements 8 Three Phase Measurement Configurations 8 Connecting Single Phase Measurement Configurations 10 Connection Guide...

Page 3: ...and EMC ratings for the entire system 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...

Page 4: ...er than 30 V RMS 42 4 V peak or 60 V DC in DRY LOCATIONS 16 V RMS 22 6 V peak or 35 V DC in WET LOCATIONS Caution Ensure that hazardous voltage wiring is performed only by qualified personnel adhering...

Page 5: ...NI 9244 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 and nonhazardous locations only Follow t...

Page 6: ...Caution The system shall only be used in an area of not more than Pollution Degree 2 as defined in IEC EN 60664 1 Caution The system shall be mounted in an ATEX IECEx certified enclosure with a minim...

Page 7: ...om product certifications search by model number and click the appropriate link Notice In order to meet the EMC requirements for marine applications install the product in a shielded enclosure with sh...

Page 8: ...enced single ended analog input connection Table 1 Signal Descriptions Connecting Phase Measurements The NI 9244 accepts three phase and single phase measurement configuration Three Phase Measurement...

Page 9: ...a Measurement Configuration NI 9244 AI0 Phase A Phase B Phase C Neutral AI2 AI1 Neutral 3 Wire Delta Measurement Configuration NI 9244 AI0 Phase A Phase B Phase C AI2 AI1 Corner Grounded 2 Wire Delta...

Page 10: ...Phase Measurement Configurations NI recommends the following single phase connection types 3 Wire Measurement Split Phase Configuration NI 9244 AI0 Neutral AI1 2 Wire Measurement NI 9244 AI0 Neutral C...

Page 11: ...ibration NI recommends that you follow these guidelines to protect connections to the NI 9244 Use ferrules to terminate wires to the detachable connector Use the NI 9969 connector backshell kit Wiring...

Page 12: ...ure the smallest strain relief piece and the backshell in place using captive screws Installing the NI 9969 Using 16 AWG Wire What to Use NI 9969 backshell 16 AWG wire Small and large strain relief pi...

Page 13: ...strain relief piece underneath the wires 2 Secure the strain relief pieces and the backshell in place using captive screws Installing the NI 9969 Using 18 AWG to 24 AWG Wire What to Use NI 9969 backsh...

Page 14: ...wing equation for an example of converting L N measurements to L Earth Line to Earth AIx Neutral where AIx is the analog input channel reading Neutral is the Neutral channel reading Converting L N Mea...

Page 15: ...xamples Visit ni com services to learn about NI service offerings such as calibration options repair and replacement Visit ni com register to register your NI product Product registration facilitates...

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