National Instruments TBX-68 I/O Connector Block with DIN-Rail Mounting
  • NI_TBX_68_View1
  • NI_TBX_68_View2

National Instruments TBX-68 I/O Connector Block with DIN-Rail Mounting


• One 68-Pin Male Connector for Direct Connection to 68-Pin Cables

Part Number: 183420A-01, 183420B-01, 183354A-01

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Stock # 54954-2
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National Instruments TBX-68 / TBX-68S / TBX-68T Terminal Blocks for Thermocouples

  • Termination Accessory with 68 Screw Terminals
  • Easy Connection of Field I/O Signals to 68-Pin DAQ Devices
  • Mounted in Plastic Base; Includes Hardware for Mounting on a Standard DIN Rail


The National Instruments TBX-68 is a general purpose terminal block. It can connect up to 16 unconditioned analog signals as weel as excitation and digital signals. The block is used with the SH686 shielded cable.

The National Instruments TBX-68T is a 68-pin, DIN-rail mountable terminal block. It provides screw-terminals for 14 unconditioned temperature, voltage or resistance signals as well as for the excitation and eight digital lines. With onboard electronic circuitry, it can increase your sinking and sourcing capabilities to 64 mA and 15 mA respectively.

The TBX-68T features isothermal design, a sensor for cold-junction compensation on channel 0, a transparent plastic cover that minimizes thermal gradients across the terminal block, and autozeroing circuitry on Channel 1. It also has 26-pin latched connectors to which you can connect digital signal conditioning accessories such as the SSR-8, ER-8, and the SC-2060 Series. This block is also used with the SH6868 shielded cable.

Product Family: tbx68, tbx-68, tbx68t, tbx-68t, 777141-01, 777232-01

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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National Instruments TBX-68 / TBX-68S / TBX-68T Terminal Blocks for Thermocouples

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