FUNCTIONS
74
SAFERY LASER SCANNER
OVERRIDE
Muting Dependent Override in Stand Alone Model
The Override feature is possible when the Laser Sentinel is in the SAFE state (detection
in the Safety Zone) and allows the user to force the OSSDs to ON state whenever it is
necessary to restart the machine. The aim is clearing the protected area of any working
materials blocked ahead of the device, because this interference may cause a work cycle
anomaly.
According to the safety requirements, the device is equipped with one override activa-
tion input: OVERRIDE 1.
In order to be accepted, an override request must have: the safety laser scanner in SAFE
s
tatus and at least one Muting sensor intercepted. If this condition is true, the display
will show the OVERRIDE warning and the OSSD LED will be ON green.
The override function can be activated as follows:
Single input line pattern
The input sequence to be followed for activation is indicated in the figure below:
If the sequence is not respected, the override function does not activate.
Muting Dependent Override in Master Model
The Override function applies to the Master model and extends to the Master/Slave sys-
tem if Slave devices are connected. The GUI makes it possible to enable the override
fun
ction only if the Muting function is active.
In order to be accepted, an override request must have: the safety laser scanner in SAFE
s
tatus and at least one Muting sensor intercepted. If this condition is true, the display
will show the OVERRIDE warning and the OSSD LED will be ON green.
The safety logic will have priority: even if the ov
erride is active, the OSSDs will still go to
STOP if the safety areas detect devices that do not have the override function selected.
The possibility of selection gives the system more flexibility, but it is obviously subject to
a risk analysis by the user.
The Override function will automatically end when one of the following conditions is
ve
rified:
• all the muting sensors are deactivated (in a Bidirectional Muting configuration)
• all the muting sensors are deactivated, and no beams are intercepted (in a Unidi-
rectional Muting configuration)
• after the 120 second fixed timeout
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