ACC-72EX User Manual
Diagnostics
112
EtherNet/IP
– Adaptor/Slave – OPT71
The following table describes the meaning of the LEDs for the comX Real-Time Ethernet communication
modules (COMX-CA-RE/ COMX-CNRE) when the firmware of the EtherNet/IP Adapter (Slave)
protocol is loaded to the comX communication module:
MS LED (COM0)
Color
State
Meaning
Green
On
Device operational: If the device is operating correctly, the module status
indicator shall be steady green.
Green
Flashing
Standby: If the device has not been configured, the module status indicator
shall be flashing green.
Red
On
Major fault: If the device has detected a non-recoverable major fault, the
module status indicator shall be steady red.
Green
Flashing
Minor fault: If the device has detected a recoverable minor fault, the module
status indicator shall be flashing red. NOTE: An incorrect or inconsistent
configuration would be considered a minor fault.
Red/Green
Flashing
Self-test: While the device is performing its power up testing, the module status
indicator shall be flashing green/red.
-
Off
No power: If no power is supplied to the device, the module status indicator
shall be steady off.
NS LED (COM1)
Color
State
Meaning
Green
On
Connected: If the device has at least one established connection (even to the
Message Router), the network status indicator shall be steady green.
Green
Flashing
No connections: If the device has no established connections, but has obtained
an IP address, the network status indicator shall be flashing green.
Red
On
Duplicate IP: If the device has detected that its IP address is already in use, the
network status indicator shall be steady red.
Red
Flashing
Connection timeout: If one or more of the connections in which this device is
the target has timed out, the network status indicator shall be flashing red. This
shall be left only if all timed out connections are reestablished or if the device is
reset.
Red/Green
Flashing
Self-test: While the device is performing its power up testing, the network
status indicator shall be flashing green/red.
-
Off
Not powered, no IP address: If the device does not have an IP address (or is
powered off), the network status indicator shall be steady off.
LINK LED
Green LED on ETH0 / ETH1 connectors:
Color
State
Meaning
Green
On
A connection to the Ethernet exists
Green
Off
The device has no connection to the Ethernet
ACT LED
Yellow LED on ETH0 / ETH1 connectors:
Color
State
Meaning
Yellow
Flashing
The device sends/receives Ethernet frames
