Measurement-computing USB-3101FS Manual do Utilizador descarregar pdf (Página 11)

Chapter 3

Functional Details

Components

The USB-3101FS has the following external components:

 Screw terminal connectors

 USB port

 LED

 Strain relief slot for USB cable

Figure 2. Front panel (Screw terminal connections)

Figure 3. Rear panel (USB connection and LED)

Screw terminals

The USB-3101FS has a ten-position detachable screw terminal block that provide connections for four analog

output channels. Signal assignments are listed in the following table.

Screw terminal pin assignments

Terminal

Signal

AO 0

Common (COM)

AO 1

Common (COM)

AO 2

Common (COM)

AO 3

Common (COM)

NC (No connection)

Common (COM)

Connect the positive lead of a voltage signal to the A0 terminals. Use 12 AWG to 24 AWG wires to connect the

signals. Common terminals (COM) are internally connected to the isolated ground reference of the device.

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Measurement-computing USB-3101FS Manual do Utilizador Página 11