Measurement-computing USB-2404-UI Manuel d'utilisateur télécharger pdf (Page 10)

Chapter 3

Functional Details

Components

The USB-2404-UI has the following external components:

 Spring terminal connectors

 Strain relief slot for USB cable

 USB connector

 LED

Figure 2. Front panel

Figure 3. Rear panel

Spring terminal connectors

The USB-2404-UI has four 6-terminal connectors (CH0 to CH3) that provide connections for four analog input

channels. The signal names for the spring terminal in each connector are listed in the table below.

6-terminal connector signal names

Terminal

number

Signal

name

Signal description

1 T+ TEDS Data

2 T– TEDS Common

3* EX+/HI Positive excitation or input signal

4 HI Positive input signal

5* EX–/LO Negative excitation or input signal

6 LO Negative input signal

* Depending on the input mode, terminals 3 and 5 are either excitation signals or input signals.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 21 22

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Measurement-computing USB-2404-UI Manuel d'utilisateur Page 10