Diagnostics Using The Led Display On The Io-Link Master - Siemens SIMATIC ET 200eco PN Operating Instructions Manual

Status display DC24V (only on I/O devices with digital outputs)
The DC24V LED is lit in green color to indicate that you have connected the 2L+ switched
load voltage supply. If the LED is not lit, check whether power is switched, or whether the
fuse is okay.
7.3.2

Diagnostics using the LED display on the IO-Link Master

LED display
The figure below shows the position and arrangement of the LED display on the IO-Link
Master.
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②
③
④
⑤
⑥
⑦
⑧
⑨
ET 200eco PN
Operating Instructions, 06/2009, A5E01250250-04
SF / MT (red/yellow LED)
BF: Bus monitoring (red LED)
ON: Electronic/sensor/load supply 1L+ non-switched (green LED)
DC 24V: Load voltage supply 2L+ switched (green LED). Digital output
P1 LK: Port1 Link (green LED)
P2 LK: Port2 Link (green LED)
IO-L: Status display / Communications OK (green LED)
Input: Channel status, channel fault (green/red LED)
Output: Channel status, channel fault (green/red LED)
Interrupt, error, and system messages
7.3 Diagnostics by means of LED display
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