Matrix-orbital VK204-25 Legacy Manual do Utilizador descarregar pdf (Página 14)

Figure 11: Bypassing 240 ohm Resistor

NOTE The GPOs do not have any over current or over / under voltage protection so

care must be taken when using them. For instance if the external device is a relay it must

be fully clamped using a diode and capacitor to absorb any generated back electro-motive

force (EMF).

Figure 12: Clamping a Relay

3 Displaying Text

This chapter describes the various text display commands in detail.

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