National Instruments TB-9214 Isothermal terminal block

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National Instruments · NI C Series; CompactDAQ and CompactRIO through NI-9214

NI TB-9214

The NI TB-9214 is an isothermal terminal block for the NI-9214 C Series Temperature Input Module. It connects directly to the module’s front-panel I/O connector for use in CompactDAQ and CompactRIO systems.

ManufacturerNational Instruments

ModelTB-9214

Part Number781511-01

Product TypeIsothermal terminal block

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Accessory typeIsothermal terminal block

Compatible moduleNI-9214

Module connection48-pin female DIN

Manufacturer part number781511-01

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Overview

Product overview

Key product information and technical features.

The TB-9214 provides the front-mounted signal termination for the NI-9214 thermocouple input module. NI identifies it as exclusively compatible with the NI-9214, rather than a general-purpose C Series terminal block.

The NI-9214 measurement design uses an isothermal terminal block with multiple cold-junction compensation sensors and a component layout that minimizes thermal gradients. The TB-9214 is the terminal-block accessory in this arrangement, not the data acquisition module itself.

Direct front-panel connection to the NI-9214.
Isothermal terminal-block design supports thermocouple measurement accuracy.
Multiple cold-junction compensation sensors are located in the terminal block.
Screw-terminal signal connections for the NI-9214.

Verified specifications

Technical data

Verified product specifications.

Manufacturer part number	781511-01
Back-end connector	48-pin female DIN
Mounting arrangement	Front mount on NI-9214
Signal termination	Screw terminal
Compatible temperature input module	NI-9214 exclusively

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

System platforms using the NI-9214 module

NI-9214

C Series thermocouple input module

TB-9214

Front-mount isothermal terminal block

Use only with the NI-9214. This terminal block is not a standalone temperature acquisition module.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

TB-9214 Official Product PageProduct Page · ni.com

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NI 9214 and TB-9214 DatasheetDatasheet · download.ni.com

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C Series with DIN Front Connection: I/O Cable & Accessory GuideCompatibility Guide · ni.com

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the NI TB-9214 a matrix switch?

No. NI identifies the TB-9214 as an isothermal terminal block for the NI-9214 temperature input module.

Can the TB-9214 be used with other C Series modules?

NI states that the TB-9214 is exclusively compatible with the NI-9214. A similar connector on another module does not establish compatibility.

What does the isothermal terminal block contribute?

It forms part of the NI-9214 thermocouple measurement design, using multiple cold-junction compensation sensors and a layout intended to minimize thermal gradients.