Mounting and wiring
EL31xx-00xx
66
Version: 5.9
Fig. 45: EL3124-0090 LEDs and Connection
Current carrying capacity of the input contacts
The maximum permitted current on the signal-relevant terminal points (inputs, GND) is 40 mA (if ap-
plicable).
LEDs
LED
Color
Meaning
RUN*
green
This LED indicates the terminal's operating state (if more than one RUN LED is present, all of them have the
same function):
off
State of the
EtherCAT State Machine [
}
36]
:
INIT
= initialization of the terminal or
BOOTSTRAP
= function for
firmware updates [
}
211]
of the terminal
flashing
State of the EtherCAT State Machine:
PREOP
= function for mailbox communication and differ-
ent standard-settings set
single flash
State of the EtherCAT State Machine:
SAFEOP
= verification of the
Sync Manager [
}
143]
chan-
nels and the distributed clocks.
Outputs remain in safe state
on
State of the EtherCAT State Machine:
OP
= normal operating state; mailbox and process data
communication is possible
ERROR**
red
Fault indication in the event of broken wire or undershooting or overshooting of the measuring range
*) If several RUN LEDs are present, all of them have the same function
**) The error display shows the signal processing state for each channel
