Siemens SIMATIC Distributed I/O ET 200eco PN Operating Instructions Manual page 83

Interrupt, error, and system messages
7.3 Diagnostics by means of LED display
LEDs Q1 to Q4
Valid for an IO-Link port that is in SIO mode.
Table 7-4 Status displays of LEDs Q1 to Q4
LEDs
Q1 to Q4
On
Off
LEDs IO-L 1 to IO-L 4
Valid for an IO-Link port that is in IO-Link mode.
Table 7-5 Status displays of LEDs IO-L 1 to IO-L 4
LEDs
SF
Off
On
Off
On
Off
Reference
For status and error displays see section Diagnostics using the LED display on the I/O devices
(Page 79-80).
84
Meaning
Input or output value is 1.
Input or output value is 0 or port is deactivated. ---
Meaning
IO-L 1 to IO-
L 4
Flashes Flashes device
(green)
Flashes No IO-Link communication (for example,
(green) when you have activated the port but no
available IO-Link device can be found.)
On (green) IO-Link communication established, no
pending device error.
On (red) IO-Link communication established,
pending device or channel error.
Off Port deactivated
Remedy
---
Remedy
Check the IO-Link device used.
Check the wiring.
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Check the IO-Link device used.
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Operating Instructions, 06/2022, A5E01250250-AN
ET 200eco PN