Phoenix Contact PSRmodular - Figure 5-21: GUARD-MONITORING (2 CH) Function Block

Items and operators of the PSRmodular Software
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5.1.2.2 GUARD-MONITORING function block (2CH; device for movable guards)
The “GUARD-MONITORING (2CH)” function block monitors the status of the “I
N” inputs of
a movable guard (e.g., safety door). When the movable guard is open, the “O
UT” output is
logic “0”. Otherwise, the output is logic “1”.
Figure 5-21 “GUARD-MONITORING (2CH)” function block
Parameters
Input Type – Single channel (NC): enables the connection of a 1-channel N/C contact as a guard.
– Double channel (NC): enables the connection of a 2-channel N/C contact as a guard.
– Double NC/NO: enables the connection of 2-channel guards with 1 N/O contact (NO)
and 1 N/C contact (NC).
Manual Reset If this option is selected, a reset must be performed manually every time the function block
is activated. Otherwise, the activation of the output directly follows the state of the inputs.