BECKHOFF EP1908 User Manual
Page 20
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Operation
18
EP1908-0002
4.1.5.6
Status-LEDs for the power supply
LED
Display
Meaning
U
S
(control voltage)
off
the power supply voltage, U
S
, is not present
green
illuminated
the power supply voltage, U
S
, is present
red
illuminated
The sensor supply was switched off due to an overload (current
> 0.5 A).
U
P
(peripheral voltage)
off
the power supply voltage, U
P
, is not present
green
illuminated
The power supply voltage, U
P
, is present
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