National Instruments 9220 Getting Started Manual Download Page 13 | Manualshive

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National Instruments 9220 Getting Started Manual Download Page 13

Table 1. Signal Descriptions

Signal

Description

AI+

Positive analog input signal connection

AI-

Negative analog input signal connection

COM

Common reference connection to isolated ground

Grounded Differential Connections

Voltage

Source

+

–

AI+

AI–

COM

NI 9220

NI 9220 Getting Started Guide

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© National Instruments

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Summary of Contents for 9220

Page 1: ...GETTING STARTED GUIDE NI 9220 16 AI 10 V 16 Bit 100 kS s ch Simultaneous ...

Page 2: ...e specific to the NI 9220 The other components in the system might not meet the same safety ratings Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system Caution Electrostatic Discharge ESD can damage the NI 9220 with spring terminal To prevent damage use industry standard ESD prevention measures during installation maintenance an...

Page 3: ... Voltage This icon denotes a warning advising you to take precautions to avoid electrical shock with the NI 9220 with spring terminal Safety Voltages Connect only voltages that are within the following limits NI 9220 with Spring Terminal Isolation Voltages Channel to channel None Channel to earth ground Continuous 250 Vrms Measurement Category II Withstand up to 4 000 m 3 000 Vrms verified by a 5 ...

Page 4: ... NI 9220 with spring terminal to signals or use for measurements within Measurement Categories III or IV NI 9220 with DSUB Safety Voltages Channel to COM 30 V maximum Isolation Channel to COM None Channel to earth ground Continuous 60 VDC Measurement Category I Withstand up to 2 000 m 1 000 Vrms verified by a 5 s dielectric withstand test Measurement Category I is for measurements performed on cir...

Page 5: ...B to signals or use for measurements within Measurement Categories II III or IV Safety Guidelines for Hazardous Voltages You can connect hazardous voltages only to the NI 9220 with spring terminal Do not connect hazardous voltages to the NI 9220 with DSUB If hazardous voltages are connected to the device take the following precautions A hazardous voltage is a voltage greater than 42 4 Vpk voltage ...

Page 6: ...shell kit to ensure that the terminals are not accessible Safety Guidelines for Hazardous Locations The NI 9220 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 and Ex nA IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the NI 9220 in a potentially explosive environment Not following...

Page 7: ...connected signals must be within the following limits Capacitance 0 2 µF maximum Special Conditions for Hazardous Locations Use in Europe and Internationally The NI 9220 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO 12 ATEX 1202658X and is IECEx UL 14 0089X certified Each NI 9220 is marked II 3G and is suitable for use in Zone 2 hazardous locations in ambient temperatures of 40 C Ta ...

Page 8: ... an ATEX IECEx certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC EN 60079 15 Caution The enclosure must have a door or cover accessible only by the use of a tool Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility EMC stated in the product specificat...

Page 9: ...ict accordance with the instructions in the product documentation Furthermore any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules Caution To ensure the specified EMC performance of the NI 9220 with DSUB the length of all I O cables must be no longer than 30 m 100 ft Caution To ensure th...

Page 10: ...To verify Lloyd s Register certification for a product visit ni com certification and search for the LR certificate or look for the Lloyd s Register mark on the product Caution In order to meet the EMC requirements for marine applications install the product in a shielded enclosure with shielded and or filtered power and input output ports In addition take precautions when designing selecting and ...

Page 11: ...68 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 For NI 9220 with spring terminal 4 000 m For NI 9220 with DSUB 2 000 m Indoor use only Note Refer to the device datasheet on ni com manuals for complete specifications NI 9220 Getting Started Guide National Instruments 11 ...

Page 12: ...25 26 27 28 29 30 31 32 33 34 35 36 37 AI1 AI2 AI3 AI4 AI5 AI6 AI7 COM COM AI8 AI9 AI10 AI11 AI12 AI13 AI14 AI15 COM AI1 AI2 AI3 AI4 AI5 AI6 AI7 COM COM AI8 AI9 AI10 AI11 AI12 AI13 AI14 AI15 AI0 AI1 AI3 AI5 AI7 AI9 AI11 AI13 AI15 COM AI2 AI4 AI6 AI8 AI10 AI12 AI14 COM AI1 AI0 AI2 AI4 AI6 AI8 AI10 AI12 AI14 COM AI3 AI5 AI7 AI9 AI11 AI13 AI15 COM 12 ni com NI 9220 Getting Started Guide ...

Page 13: ...ositive analog input signal connection AI Negative analog input signal connection COM Common reference connection to isolated ground Grounded Differential Connections Voltage Source AI AI COM NI 9220 NI 9220 Getting Started Guide National Instruments 13 ...

Page 14: ...esistor Connect the negative lead to COM through a 1 MΩ resistor to keep the signal source within the common mode voltage range The NI 9220 does not read data accurately if the signal source is outside of the common mode voltage range 14 ni com NI 9220 Getting Started Guide ...

Page 15: ...oltage range NI 9220 Connection Guidelines Make sure that devices you connect to the NI 9220 are compatible with the module specifications You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a single terminal on the NI 9220 with spring terminal NI 9220 Getting Started Guide National Instruments 15 ...

Page 16: ...hout a ferrule High Vibration Application Connections If your application is subject to high vibration NI recommends that you use the NI 9940 backshell kit to protect connections to the NI 9220 with spring terminal Overvoltage Protection The NI 9220 provides overvoltage protection for each channel Note Refer to the device datasheet on ni com manuals for more information about overvoltage protectio...

Page 17: ...ni com info cseriesdoc Services ni com services CompactRIO Located at ni com manuals Installs with the software NI CompactDAQ NI 9220 Datasheet NI RIO Help LabVIEW FPGA Help NI 9220 Datasheet NI DAQmx Help LabVIEW Help NI 9220 Getting Started Guide National Instruments 17 ...

Page 18: ...r NI product 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 of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain th...

Page 19: ...ates create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events NI 9220 Getting Started Guide National Instruments 19 ...

Page 20: ...d party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the NI global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS U S Governme...

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