Installation
EL6201
36
Version: 2.2
4.7
LEDs and connection
Fig. 36: EL6201 LEDs
LEDs
LED
Color Meaning
RUN
green These LEDs indicate the terminal's operating state:
off
State of the
EtherCAT State Machine [
}
20]
:
INIT
= initialization of the
terminal
flashing
State of the EtherCAT State Machine:
PREOP
= function for mailbox
communication and different standard-settings set
Single
flash
State of the EtherCAT State Machine:
SAFEOP
= verification of the
Sync
Manager [
}
88]
channels 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
flickering State of the EtherCAT State Machine:
BOOTSTRAP
= function for
terminal
firmware updates [
}
216]
AS-i Diag
green This LED lights up during the AS-i data exchange phase (it flickers in regular
operation).
Set switch
green This LED is on as long as both set inputs are short-circuited.
AS-i Power
green This LED is on as long as the AS-i power supply is connected and at least one AS-i
slave was found.
AS-i fault
diagnostics
red
This LED flashes if the nominal and actual configuration do not match.
Possible causes:
• AS-i ID code of one or several slaves does not match the currently projected
values.
• The AS-i I/O code of one or several slaves does not match the currently
projected values.
• The currently projected AS-i slave was not found.
Protected
mode
green This LED lights up as long as the two protected mode inputs are short-circuited.
AS-i installation
WARNING
Risk of injury through electric shock and damage to the device!
Bring the Bus Terminals system into a safe, de-energized state before starting mounting,
disassembly or wiring of the Bus Terminals.
