Siemens SIMATIC ET 200SP Manual page 22

Digital input module di 8xnamur
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LED PWR
Table 5- 3
DI 8xNAMUR HF digital input module (6ES7131-6TF00-0CA0)
Manual, 02/2014, A5E03894478-01
LED PWR status display
LED PWR
Meaning
Supply voltage L+ is missing, is too low or polarity reversed
Off
Supply voltage L+ present
On
Interrupts/diagnostics alarms
5.1 Status and fault displays
21

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