MVI56E-GEC ♦ ControlLogix Platform
Diagnostics and Troubleshooting
Generic ASCII Ethernet Communication Module
User Manual
ProSoft Technology, Inc.
Page 39 of 80
5
Diagnostics and Troubleshooting
The module provides information on diagnostics and troubleshooting in the
following forms:
LED status indicators on the front of the module provide general information
on the module's status.
Status data contained in the module can be viewed through the
Configuration/Debug port, using the troubleshooting and diagnostic
capabilities of
ProSoft Configuration Builder (PCB)
.
Status data values can be transferred from the module to processor memory
and can be monitored there manually or by customer-created logic.
5.1
LED Indicators
The LEDs indicate the module’s operating status as follows:
LED
Color
Status
Indication
APP
Red or Green
Off
No connections established over Ethernet (Client or Server)
Green
At least one connection is established (Client or Server)
Red
During operation, this LED will remain Red in case all
connections (Client or Server) previously established have
been terminated. In case a single connection is established,
the LED will be Green.
This LED will also be temporarily set as Red during one of the
following conditions:
- The firmware is initializing during startup.
- The module is rebooting due to a Cold or Warmboot request
from the ladder logic of Debug Menu.
OK
Red or Green
Off
The module is not receiving adequate power or is not securely
fastened into the rack.
Green
The module is operating normally.
Red
The module has detected an error or is being initialized. If the
LED remains red for over 10 seconds, the program has
probably halted. Remove the card from the rack and re-insert
the card to restart the module’s program.
ERR
Red or Green Off
Not Used
5.1.1 Ethernet LED Indicators
LED
State
Description
Data
Off
No activity on the Ethernet port.
Green Flash
The Ethernet port is actively transmitting or receiving data.
Link
Of
No physical network connection is detected. No Ethernet
communication is possible. Check wiring and cables.
Green Solid
Physical network connection detected. This LED must be On solid
for Ethernet communication to be possible.
