Interrupts/diagnostics alarms
5.1 Status and error displays
Communication module CM 8x IO-Link + DI 4x24VDC M12-L (6ES7148-6JG00-0BB0
28
Equipment Manual, 09/2020, A5E49284833-AA
Meaning of the LEDs
The following tables set out the meaning of the status and error displays.
Behavior of the LEDs RN/NS (RUN/network status), ER/MS (ERROR/module status) and MT/IO
(MAINT/IO status)
Table 5- 1
Error display of the LED
LED
Meaning
Remedy
RN/NS
(green)
ERR/MS
(red)
MT/IO
(yellow)
off
off
Off
No or insufficient supply volt-
age
Check the supply voltage.
On (green)
On (red)
On (yellow)
Test of LEDs during startup:
The three LEDs light up simul-
taneously for approximately
0.25 s.
-
The three LEDs light up simul-
taneously for approximately
2 s while "Reset to factory
settings" is running.
-
Flashes
off
Off
Module is disabled
Activate the ET 200eco PN
with the configuration soft-
ware or via the user pro-
gram.
Module is not configured
Configure the ET 200eco PN
via the configuration soft-
ware.
Module starts up
-
Parameters are assigned to
module
Loading firmware (when the
firmware update is performed
during startup, all LEDs retain
their current status).
-
On (green)
Not rele-
vant
Not rele-
vant
The ET 200eco PN is currently
exchanging data with the IO
controller.
-
Not rele-
vant
Flashes
Not rele-
vant
Module diagnostics is availa-
ble
Evaluate the diagnostics and
eliminate the error.
The preset configuration does
not match the actual configu-
ration.
Check the configuration of
the ET 200eco PN.
Parameter error
Correct the errors in the
parameter assignment.
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