Advantech TREK-303 Manual do Utilizador descarregar pdf (Página 48)

TREK-550/303 User Manual 36

6.4 GPIO Test

1. To execute the I/O Test, connect GPIO loopback, click Pin0, connect the end

which reads the signal, the bulb should light up, like wise to Pin1~Pin3. Next

check the Digital output box to execute the same procedure. See figure 6.

Figure 6.11 DI/O test

a. Digital Output ==> isolated relay driver output

b. Digital Input ==> isolated dry contact input

Figure 6.12 Digital in

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Advantech TREK-303 Manual do Utilizador Página 48