JUMO 705020 mTRON T - Analog Input Module, 4-Ch. Operating Manual - Manual (Page 30)

5 Operation
30
5.2 LED displays
"P" LED (Power)
The LED is permanently lit in green if the module is being supplied with voltage.
"S" LED (Status)
This LED indicates the status of the module. Diagnostics requires the setup program or a Web
browser as appropriate.
LED "1"
The LED indicates the status of the digital input.
LED lights up yellow = digital input is active
5.2.1 Display modes
The following table lists all possible states of the "S" LED (Status).
Display mode Description Green sym-
bol Red symbol
--- LED state not relevant --- ---
Off LED off
On LED on (permanently lit)
Flickering LED flickers (50 ms on, 50 ms off)
Single flickering LED flashes briefly (50 ms on, 200 ms off)
Blinking LED flashes (200 ms on, 200 ms off)
Single flash LED flashes once (200 ms on, 1000 ms off)
Double flash LED flashes twice (on/off/on for 200 ms each
time, 1000 ms off)
Triple flash LED flashes three times (on/off/on/off/on for
200 ms each time, 1000 ms off)
Quadruple flash LED flashes four times (on/off/on/off/on/off/on for
200 ms each time, 1000 ms off)
Blinking red/green LED flashes red and green (200 ms red, 200 ms
green)
On green/
Single flickering red LED lights up green, flashes red (50 ms red)