Led Indicators; Fig. 9 Leds Cu2608; Fig. 10 Supply Voltage - Beckhoff CU2608 Documentation

3.6

LED indicators

Ethernet
Fig. 9: LEDs CU2608
An LED for each of the eight channels shows the current status.
Table 1: LEDs per channel
LED Display
Link off
Act
on
flashing
Supply voltage
Fig. 10: Supply voltage
LED Display
24 V Us (control off
voltage)
green
illuminated
red
illuminated
24 V Up (peripheral off
voltage)
green
illuminated
CU2608
No connection
Connection available (link)
Data transfer (act)
Meaning
the power supply voltage, Us, is not present
the power supply voltage, Us, is present
Due to overload (current > 0.5 A), the sensor supply generated from
the supply voltage Us was switched off for all sensors supplied from it.
the power supply voltage, Up, is not present
The power supply voltage, Up, is present
Version: 2.0.0
Mounting and cabling
15