National-instruments 8-Channel Solid-State Relay (SSR) Digital Output N Manual do Utilizador descarregar pdf (Página 5)

Caution Do not disconnect I/O-side wires or connectors

unless power has been switched off or the area is known

to be nonhazardous.

Caution Do not remove modules unless power has been

switched off or the area is known to be nonhazardous.

Caution Substitution of components may impair

suitability for Class I, Division 2.

Caution For Zone 2 applications, install the system in an

enclosure rated to at least IP 54 as defined by IEC 60529

and EN 60529.

Caution For Zone 2 applications, install a protection

device across the positive and negative terminals of the

external power supply (or supplies). The device must

prevent the external power supply from exceeding

80 V if there is a transient overvoltage condition.

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National-instruments 8-Channel Solid-State Relay (SSR) Digital Output N Manual do Utilizador Página 5