87
2018/02
TBPN-L1-FDIO1-2IOL- Safe I/O
9.1.3 Error LED (ERR)
9.1.4 BUS LED
9.1.5 Channel-LEDs
LED
GREEN
LED
RED
Meaning
off off Input active
on off Input active, 24 V at input
blinking off Self-test input
off blinking Cross-circuit
off on Discrepancy
C0 and C1(FDI)
LED
GREEN
LED
RED
Meaning Remedy
off off Device not supplied,
device swit
ches to the safe state
Check the voltage supply.
on off No diagnostic message available
off on Diagnostic message pending Check the diagnostic message.
on on No valid state,
device switches to the safe state
off Initialization, configuration trans-
fer from memory chip running
Wait until the procedure is finished.
LED
GREEN
LED
RED
Meaning Remedy
off off Device not supplied,
device swit
ches to the safe state
Check the voltage supply.
on off Active connection to a master
blinking off Device is ready for operation
off on IP address conflict or restore mode
or timeout
– Check the network for duplicate IP
addresses,
– wait for the device to be ready for
operation
off blinking Blink-/wink-command active
blinking blinking Autonegotiation and/or waiting
for DHCP-/BootP-address assign-
ment.
– wait for the device to be ready for
operation
– Check the address setting per DHCP/
BootP.
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