Reer Mosaic MI8 Installation And Use Manual page 87

MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
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).
Manual Reset: If selected this enables the request to reset each time the IN input signal
falls. Otherwise, the output is enabled directly according to the condition of the IN input.
There are two types of reset: Manual and Monitored. When Manual is selected the system
transition from 0 to 1 and then back to 0 is verified.
Enable Status: If selected, enables the connection of the current RELAY state to any point
on the screen.
Enable reading of external K: When this is selected it enables reading and verification of
external contactor switching times:

With Category 1 control of external contactors cannot be enabled.

With Category 4 control of external contactors is mandatory (always enabled).
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 M1 operator.
RELAY
Example of RELAY with correct Feedback signal:
In this case ERROR OUT=FALSE
8540780 • 23/03/2017 • Rev.31
Example of RELAY with incorrect Feedback signal
(k external time exceeded):
In this case ERROR OUT=TRUE
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