Diagnostics and Troubleshooting
User Manual
4.1.1 Scrolling LED Status Indicators
The scrolling LED display indicates the module's operating status as follows:
Initialization Messages
Code
Boot / DDOK
Ladd
Waiting for Processor Connection
Last config: <date>
Operation Messages
After the initialization step, the following message pattern will be repeated.
<Backplane Status> <IP Address> <Backplane Status> <Port Status>
Code
<Backplane Status>
<IP Address>
<C0>
Page 82 of 172
MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform
Modbus TCP/IP Client Enhanced Communication Module - Client/Server
Message
Module is initializing
Module is waiting for required module configuration data from
ladder logic to configure the application port(s)
Module did not connect to processor during initialization
Sample ladder logic or AOI is not loaded on processor
Module is located in a different slot than the one
configured in the ladder logic/AOI
Processor is not in RUN or REM RUN mode
Indicates the last date when the module changed its IP
address. You can update the module date and time through
the module's web page, or with the Optional MVI56E Add-On
Instruction.
After power up and every reconfiguration, the module will
display the configuration of the application port(s). The
information consists of:
Client
C0 C2 C3 C4 ..... C29
Message
OK: Module is communicating with processor
ERR: Module is unable to communicate with processor. For
this scenario, the <Port Status> message above is replaced
with "Processor faulted or is in program mode".
Module IP address
OK: Port is communicating without error
Communication Errors: port is having communication errors.
Refer to Diagnostics and Troubleshooting (page 80) for
further information about the error.
ProSoft Technology, Inc.
September 20, 2018
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