Matrix-orbital LK202-25 Legacy Manual do Utilizador descarregar pdf (Página 19)

Figure 18: 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).

Suggestions for clamping a relay:

Figure 19: Clamping a Relay

3 Displaying Text

This chapter describes the various text display commands in detail. Before issuing commands to the

LK202-25 please read sections 8.2 and 8.3 (“Issuing Commands” and “On Numbers”).

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