Reer MOSAIC M1 Installation And Use Manual page 140

Manual Reset: When selected, the function requires a reset each time the function block is
activated. When not selected, the enabling of the output of the function directly follows the
input conditions.
•
When Manual is selected, the function verifies the reset signal transition from 0 to 1.
•
When Monitored is selected, the function verifies the reset signal transition from 0 to
1 to 0.
Enable Status: If selected, enables the connection of the current RELAY state to any point
on the screen.
External K time monitoring: When this is selected it monitors the switching of external
contactors:
•
With category 1, monitoring of external contactors cannot be enabled.
•
With category 4, monitoring of external contactors is enabled and cannot be disabled.
External K delay (ms): Select the Maximum delay the external contactors are allowed to
introduce. This value can be used to check the maximum delay between switching of the
internal relays and switching of the external contactors (during both activation and
deactivation).
Enable Error Out If selected, enables the ERROR OUT output. This output is set to high
level (TRUE) when an external FBK error is detected.
The Error Out signal is reset in case of one of the following events:
1. Switching on and switching off of system.
2. Activation of the RESET MOSAIC M1 operator.
RELAY
Example of RELAY with correct Feedback signal:
In this case ERROR OUT=FALSE
140
MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
Example of RELAY with incorrect Feedback signal
(k external time exceeded):
In this case ERROR OUT=TRUE
8540780 • 25/01/2023 • Rev.43