Interrupts, diagnostics, error, and system messages
5.1
Status and error displays
LED display
The following diagram shows the LED display on the interface module and the BusAdapter.
①
②
③
④
⑤
⑥
Figure 5-1
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RN (green)
ER (red)
MT (yellow)
PWR (green)
LK1 (green)
LK2 (green)
LED display on the interface module and BusAdapter
IM 155-6 PN ST interface module (6ES7155-6AU00-0BN0)
Manual, 12/2014, A5E03576904-AC
5