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NI TBX-68 User Guide

What You Need to Get Started

To set up and use your TBX-68, you need the following:

TBX-68 accessory kit(s)

1

Compatible 68-pin DAQ device and device documentation

The correct cable(s) for your device

0.125 in. flathead screwdriver

12-30 AWG wire

Wire cutters

Wire insulation stripper

Getting Started with the TBX-68

Remove all cables from the TBX-68 before getting started. If you have not already installed 
your DAQ device, refer to the installation guide that came with your DAQ device for 
instructions. Complete the following steps to set up the TBX-68.
1.

(Optional) Mount the TBX-68 to a standard 35 mm DIN rail using the attached clip on the 
back of the accessory.

2.

Connect the wires to the screw terminals by stripping

 

6 mm (0.25 in.) of insulation, 

inserting the wires into the screw terminals, and securely tightening the screws with the 
flathead screwdriver to a torque of 0.8 N · m (7 lb · in.).

 

Refer to your device documentation 

for the DAQ device pinout and signal information.

Caution

Do 

not

 connect input voltages >30 V

rms

/42 V

pk

/60 VDC to the TBX-68. 

The TBX-68 is not designed for any input voltages >30 V

rms

/42 V

pk

/60 VDC, even if 

a user-installed voltage divider reduces the voltage to within the input range of the 
DAQ device. Input voltages >30 V

rms

/42 V

pk

/60 VDC can damage the TBX-68, all 

devices connected to it, and the host computer.

Caution

Do 

not

 use for measurements within Categories II, III, or IV.

3.

Connect the TBX-68(s) to the DAQ device using the appropriate cable(s) for your device.

4.

Launch Measurement & Automation Explorer (MAX). In the left panel, expand 

Devices 

and Interfaces

 to confirm that your DAQ device is recognized, and then configure your 

device settings.

5.

Test specific device functionality. Run a Test Panel in MAX by right-clicking your DAQ 
device and selecting 

Test Panels

. Click 

Start

 to test the device functions.

When you have finished using the TBX-68, power off any external signals connected to the 
TBX-68 before you power off your computer.

1   

You can use up to two TBX-68 accessories with M/X Series devices with two connectors.

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