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phytron
19
MA 1271-A003 EN
6.1 Diagnostics by the LEDs
The LEDs indicate the status and error of the DIOM01/DIOM0a module by colours and
blinking:
Fig. 5: Status-LEDs
Status LEDs
I/O LEDs
top left
top right
off
No power supply connected
I/Os not active
green
Isolated supply: ok
OK
Output
O1 to O8 active
red
–
Flashing slowly
(
≈
2 Hz)
:
module is not addressed
Flashing fast (
≈
5 Hz)
:
error
Input
I1 to I8 active
orange
Input and output
I1/O1 to I8/O8 active