41
EN
Rev. 1 | 01/2020 | MS Safety Module | © 2020 | Comepi srl
11. LED information
4 LEDs on the front panel indicate the status and any errors during operation:
Status indicator
LED Colour Status Meaning
Power
Green ON The safety module is powered
IN1, IN2
Yellow
Input 1 OFF
Input 2 OFF
The safety devices connected to the inputs 1 and
2 are not active (e.g. contacts open); the safety
module cannot enable the safety outputs
Input 1 ON
Input 2 OFF
The safety device connected to the input 1 is active
(e.g. contact closed), while the input 2 is not active
(e.g. contact open); the safety module cannot
enable the safety outputs
Input 1 OFF
Input 2 ON
The safety device connected to the input 2 is active
(e.g. contact closed), while the input 1 is not active
(e.g. contact open); the safety module cannot
enable the safety outputs
Input 1 ON
Input 2 ON
The safety devices connected to the inputs 1 and 2
are active (e.g. contacts closed); the safety module
can enable the safety outputs
Channels
Green
OFF
The NO safety outputs are open and the NC
auxiliary output is closed
ON
The NO safety outputs are closed and the NC
auxiliary output is open
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