Interrupts/diagnostics alarms
5.1 Status and error displays
I/O device digital outputs DQ 8x24VDC/0.5A M12-L 8xM12 (6ES7142-6BG00-0BB0)
26
Equipment Manual, 07/2020, A5E46570894-AA
LEDs
Meaning
Solution
RN/
NS
ER/
MS
MT/
IO
Not
rele-
vant
Not
rele-
vant
On
Maintenance
Evaluate the maintenance events.
Flash-
ing
Flash-
ing
Flash-
ing
The "Node flash test" is running (the
P1 LK and P2 LK LEDs of the PROFINET
interface are also flashing).
---
Hardware or firmware defective. (The
P1 LK and P2 LK LEDs of the PROFINET
interface are
not
flashing).
Replace the ET 200eco PN I/O device.
PWR LED
Table 5- 2
Status display of the PWR LED
PWR LED
Meaning
Off
Load voltage 2L+ is missing or too low
On
Load voltage 2L+ present
P1 LK and P2 LK LEDs
Table 5- 3
Error display of the P1 LK and P2 LK LEDs
LEDs
Meaning
Solution
P1 LK P2 LK
Off
There is
no
Ethernet connection between
the communications interface of your IO
device and a communication partner
(e.g. IO controller).
Check whether the bus cable to the
switch/communication partner is inter-
rupted.
On
There is an Ethernet connection between
the communications interface of your IO
device and a communication partner
(e.g. IO controller).
---
Flashing
The "Node flash test" is running (the
RN/NS, ER/MS and MT/IO LEDs also flash).
---
Communications error:
A physical connection exists, communi-
cation is not possible, however.
Check the PROFINET IO settings.
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