Siemens SIMATIC ET 200eco PN M12-L Equipment Manual page 67

Modbus TCP
6.2 Diagnostics
PWR LED
Table 6- 4
P1 LK and P2 LK LEDs
Table 6- 5
P1 LK
Channel status/channel error LED
Table 6- 6
Channel sta-
tus/channel
66
Status display of the PWR LED
PWR LED Meaning
Load voltage 2L+ is missing or too low
Off
Load voltage 2L+ present
On
Error display of the P1 LK and P2 LK LEDs
LEDs
P2 LK
There is no Ethernet connection between
the communications interface of your IO
Off
device and a communication partner
(e.g. scanner).
There is an Ethernet connection between
the communications interface of your IO
On
device and a communication partner
(e.g. scanner).
The "Node flash test" is running (the
RN/NS, ER/MS and MT/IO LEDs also flash).
Flashes
Status and error display of the channel status/channel error LED
LEDs Meaning
error
Process value = 0
Off
Process value = 1
On
Channel diagnostics
On
Digital inputs/outputs DIQ 16x24VDC/0.5A/2A M12-L 8xM12 (6ES7143-6BH00-0BB0)
Meaning Remedy
Check whether the bus cable to the
switch/communication partner is inter-
rupted.
---
---
Equipment Manual, 02/2022, A5E46571210-AC