Diagnostics By Means Of Led Display; Diagnostics Using The Led Display On The I/O Devices - Siemens SIMATIC ET 200eco PN Operating Instructions Manual

7.3

Diagnostics by means of LED display

7.3.1

Diagnostics using the LED display on the I/O devices

LED display
The figure below shows the position and arrangement of the LED display on the
ET 200eco PN I/O devices:
①
②
③
④
⑤
⑥
⑦
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), only for digital output device
P1 LK: Port1 Link (green LED)
P2 LK: Port2 Link (green LED)
Channel status, channel fault (green/red LED)
Interrupt, error, and system messages
7.3 Diagnostics by means of LED display
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