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6.7.2 Override input mode function
This function let the user choose, setting dip-switches of RX device (see section 5 – "ELECTRICAL
CONNECTIONS AND CONFIGURATION"), the input mode for override lines, and in particular select
impulsive Override mode.
The Edge Triggered Override function provides that the Override state remains active
even if the related activation buttons are released.
The device exits the Override state when one of the following events happens:
•
the muting sensors are free (T-Muting, Figure 44), or the muting sensor are deactivated and
the beams of the light curtain are free (L-Muting, Figure 45).
•
The time-out expires (Figure 46).
•
For this reason, all possible risks must be considered and related precautions undertaken.
It is recommended that:
•
all control operations must be assigned only to a well-trained and skilled personnel;
•
the user assigned to the actuation of the override function, must be able to work in a
condition of maximum surveillance and visibility of the whole area.
When Override status ends, the light curtain returns to normal operation.
OVERRIDE1
OVERRIDE2
MUTINGx
OVERRIDE STATUS
0 < Dt < 400ms
Figure 44
48
24Vdc
0Vdc
24Vdc
0Vdc
24Vdc
0Vdc
ON
OFF
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