Device Status; Overview System Hardware; Control Level - Festo 8038559 Manual Del Usuario

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8 Device status

Two LEDs, "Lnk" and "Pwr", are included to indicate the device status and for error diagnostics. "Lnk"
stands for link and this LED indicates the status of the IO-Link connection. It lights up red or green, or it
blinks.
The power LED ("Pwr") indicates whether operating voltage for the switching outputs is on or off.
Lnk
Lights up green
Blinking green
Blinking red/green
Flashing green
Flashing red
Off

9 Overview system hardware

9.1 Control level

For example Festo controller CECC-LK
© Festo Didactic 8038560
Pwr
Lights up blue
Lights up blue
Off
Flashing blue
Off
Off
Description
Ready for operation
IO-Link signal not connected (C/Q connection to CECC-LK)
Operating voltage for switching outputs off. "24" or "0" not
connected to terminal X12, X13, X14 or X15.
IO-Link power supply not connected. L+ signal not connected to
terminal X12, X13, X14 or X15.
IO-Link power supply not connected. L+ signal not connected to
terminal X12, X13, X14 or X15 and operating voltage for switching
outputs is off.
IO-Link D/A interface not connected
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