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National Instruments NI 9214, Getting Started Manual

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National Instruments NI 9214 Getting Started Manual Download Page 13

Thermocouple Connections

Thermocouple

TC-

COM

TC+

Shield

TB-9214

 NI 9214

Ground

Lug

For most applications, you do not need to connect COM.

Connecting to COM is not necessary for the following

configurations:

• All thermocouples are floating

• All thermocouples are referenced to the same common-mode

voltage

• One thermocouple is reference to a common-mode voltage

and all other thermocouples are floating

12

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NI 9214 Getting Started Guide

Summary of Contents for NI 9214

Page 1: ...NI 9214...

Page 2: ...GETTING STARTED GUIDE NI 9214 16 TC 78 mV 24 Bit 68 S s Aggregate Isothermal Terminal Block...

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 9214 only as described in this document Cauti...

Page 4: ...ied personnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Ensure that devices and circuits connected t...

Page 5: ...s dielectric withstand test Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system This category refers to local level electrical di...

Page 6: ...idelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not remove m...

Page 7: ...14 is marked II 3G and is suitable for use in Zone 2 hazardous locations in ambient temperatures of 40 C Ta 70 C If you are using the NI 9214 in Gas Group IIC hazardous locations you must use the devi...

Page 8: ...uct specifications These requirements and limits provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic environment This pr...

Page 9: ...ons 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 and...

Page 10: ...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 altitude 2 0...

Page 11: ...B 9214 Pinout TC0 TC2 TC2 TC3 TC3 TC4 TC4 TC7 TC7 TC8 TC8 TC9 TC9 TC10 TC10 TC11 TC11 TC11 TC11 TC13 TC13 TC14 TC14 TC15 TC15 TC0 TC1 TC1 TC5 TC5 TC6 TC6 COM COM 10 ni com NI 9214 Getting Started Guid...

Page 12: ...ble 1 Signal Descriptions Signal Description COM Common reference connection TC Positive thermocouple connection TC Negative thermocouple connection NI 9214 Getting Started Guide National Instruments...

Page 13: ...ed to connect COM Connecting to COM is not necessary for the following configurations All thermocouples are floating All thermocouples are referenced to the same common mode voltage One thermocouple i...

Page 14: ...ces you connect to the NI 9214 are compatible with the module specifications The shield grounding methodology can vary depending on the application Refer to your thermocouple documentation or the ther...

Page 15: ...nd air flow across the terminals Keep the ambient temperature as stable as possible Make sure the NI 9214 terminals are facing forward or upward Keep the NI 9214 in a stable and consistent orientation...

Page 16: ...se TB 9214 0 05 mm2 to 0 5 mm2 30 AWG to 20 AWG wire with 5 1 mm 0 2 in of the inner insulation stripped and 51 mm 2 0 in of the outer insulation stripped Zip tie Screwdriver NI 9214 Getting Started G...

Page 17: ...What to Do 1 2 3 4 16 ni com NI 9214 Getting Started Guide...

Page 18: ...3 Route the wire through the TB 9214 opening remove slack from the wiring and secure the wires using a zip tie 4 Replace the foam pad in the TB 9214 opening reinstall the top cover and tighten the cap...

Page 19: ...tware CompactRIO NI CompactDAQ RELATED INFORMATION C Series Documentation Resources ni com info cseriesdoc Services ni com services NI 9214 Datasheet NI RIO Help LabVIEW FPGA Help NI 9214 Datasheet NI...

Page 20: ...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 21: ...cts 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 information a...

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