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SG4E Full Rev01.pdf - Datasensor

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7<br />

SG4-E INSTRUCTION MANUAL<br />

7.8.1 Override mode<br />

It’s possible to configure the trigger of override inputs: Level or Edge.<br />

As explained in diagrams below two types of override trigger sequence are accepted on<br />

external inputs:<br />

- Level Trigger: override engaged until both contacts are closed AND at least one muting<br />

sensor is intercepted.<br />

OVERRIDE STATUS is an output signal that informs the user if the override inputs are active<br />

with override conditions present.<br />

Fig. 49 – Override timings (level trigger)<br />

- Edge Trigger: override engaged on contacts closing until at least one muting sensor is<br />

intercepted. In this case the override state rests even if the override contacts are released. The<br />

device exits the override state when one of the following events happens:<br />

the muting sensors are deactivated (T-muting) or the muting sensor are deactivated AND no<br />

beams are intercepted (L-muting)<br />

the timeout expires<br />

OVERRIDE STATUS is an output signal that informs the user if the override inputs are active<br />

with override conditions present.<br />

Fig. 50 – Override timings (edge trigger)<br />

48

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