iR-ETN User Manual
3
3.
LED Indicators
L.V LED
3.1
L.V LED state
Description
OFF
24V power normal
Blinking
Detect 24V power
ON
24V power error
IO RUN/ERR LED
3.2
RUN LED
ERR LED
Description
OFF
OFF
Power off or no power
Blinking
OFF
IO initiating
Blinking
ON
IO initiation error
ON
OFF
IO working
ON
Blinking
IO module alarm
ON
ON
IO communication fault
Blinking
Blinking
Exceeding power limit or too many modules
ENET RUN/ERR
3.3
Run LED
Err LED
Description
Modbus TCP
EtherNet/IP
OFF
OFF
Power off or no power
Blinking
OFF
Communicating
Pre-operational mode
ON
OFF
The device is in the OPERATIONAL state
OFF
ON
Hardware error,
communication fault
An irrecoverable error has
occurred.
ON
Blinking
Reset button is triggered
A recoverable error has
occurred.
ENET Run/ERR indicator can be set to Modbus TCP mode (default) or EtherNet/IP
mode. The communication address for Modbus TCP mode is 1013 (0x03F5 in Hex).
Communication mode setting: In “Config Data” set 0 to use Modbus TCP mode and 1
to use EtherNet/IP mode.
RJ45
3.4
Speed LED
OFF
Operating as a 10-Mbps connection
Green ON
Operating as a 100-Mbps connection