Status Leds; Fig. 15 Status Leds; Table 13 Meaning Of The Status Leds - Beckhoff C5240 Manual

3.3

Status LEDs

The industrial PC has three status LEDs: PWR, FB, HDD. They provide information on the following aspects:
• the status of the power controller
• the fieldbus status
• the hard disk activity
Fig. 15: Status LEDs
Table 13: Meaning of the Status LEDs
LED Color/flashing interval
PWR (Power) green
off
FB (fieldbus) red
blue
blue/red flashing
green
green/red flashing
HDD (hard disk) red
The activity of NVM Express™ SSDs is not displayed via the HDD LED.
C5240
Meaning
Computer on
Computer off
TwinCAT Stop
TwinCAT Config
TwinCAT Config (fieldbus error)
TwinCAT Run
TwinCAT Run (fieldbus error)
Accessing storage media
Version: 3.0
Product overview
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