MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
192 8540780 • 10/07/2020 • Rev.38
(8)
Figure 82 - Traces relative to “Guard Lock” block operation in the “Mandatory gate opening mode”.
Mandatory
condition if it does not detect that the gate has been opened following a request to
unlock the guard lock. This concept is highlighted in the figure below
(Figure 83
diagram in Figure 81, so that the error is shown in the graph.
As previously described, the operator requests unlocking of the guard lock, but the
door is never opened, and this condition is indicated by the "FBK_GATE" signal,
which stays at LL1. Thus, when the guard lock unlocking/locking cycle ends, at time
to LL1.
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