Siemens SIMATIC ET 200SP Manual - Page 21

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Siemens SIMATIC ET 200SP Manual
Interrupts/diagnostics alarms
5.1 Status and fault displays
Meaning of the LEDs
The tables below explain the meaning of the status and fault displays. Corrective measures
for diagnostics alarms can be found in chapter Diagnostics alarms (Page 24).
LED DIAG
Table 5- 1
LED channel status/channel fault
The channel status LED shows the signal state of the user data of an input. If inversion is
enabled, the channel status LED shows the inverted status of the signal applied to the
terminal.
If there is a diagnostics event on the channel, the channel status LED is always off if
diagnostics is enabled and therefore does not indicate the signal state of the user data of the
input.
Table 5- 2
Channel status
20
LED DIAG fault display
LED DIAG
Meaning
Supply voltage of the ET 200SP not OK
Off
Module not ready for operation (no parameters or invalid parameters assigned)
Flashing
Module configured and no module diagnostics
On
Module configured and module diagnostics
Flashing
Channel status/channel fault LED status and fault display
LED
Channel fault
Off
Off
On
Off
Off
On
On
On
Meaning
Input returns "0" signal and no channel diagnostics or channel
deactivated
Input returns "1" signal and no channel diagnostics
Channel activated and channel diagnostics
Not permitted (fault)
DI 8xNAMUR HF digital input module (6ES7131-6TF00-0CA0)
Manual, 02/2014, A5E03894478-01