Measurement-computing CIO-DO24DD Manual do Utilizador descarregar pdf (Página 13)

4.7 CLAMPING VOLTAGE INPUT

The output transistors can be set to clamp voltage spikes and prevent them from

damaging your circuit. For example, if you are switching a 9V circuit, connect the

9V to the clamp input as well. This will hold transient voltages to less than 11V (9V

+ 2V max forward voltage across the clamping diode at 350mA).

4.8 TEST CONNECTIONS

The CIO-DO24DD is a digital switching device. To test the installation and the board

you will need a kno wn working circuit to switch, such as a lamp bulb and battery

described previously.

After you have the circuit connected, the TEST option of the

Insta

Cal program can be

used to produce an alternating on/off signal at the switch.

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Measurement-computing CIO-DO24DD Manual do Utilizador Página 13