MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
8540780 • 10/07/2020 • Rev.38 183
Description of "GUARD LOCK" operator inputs/outputs
“Lock_fbk” input
used to detect the status (feedback) of the electromagnet that
unlocks/locks the guard lock.
Electromechanical guard locks are unlocked/locked via an electric control that
energises/de-energises an electromagnet. Its status (energised/de-energised) is indicated
by appropriate contacts. For example, the status of the electromagnet may be indicated by
a normally open contact that is closed when the electromagnet is energised, as in the case
shown in Figure 75.
Figure 75 - Example of feedback of the status of the electromagnet of a guard lock.
The signal received by the module is processed by the "Guard Lock" operator.
“Gate” input
present, it detects the status (feedback) of the door/gate
connected to the guard lock.
The status of the door/gate (GATE) is detected using specific contacts. For example, the
status of the door/gate may be indicated by a normally open contact that is closed when
the door/gate is closed, as in the case in Figure 76.
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