Diagnostics And Troubleshooting; Led Status Indicators - ProSoft Technology CompactLogix MVI69E-MBS User Manual

MVI69E-MBS ♦ CompactLogix™ Platform
Modbus Serial Enhanced Communication Module
7

Diagnostics and Troubleshooting

The MVI69E-MBS 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.

You can view status data contained in the module through the Ethernet port, using
the troubleshooting and diagnostic capabilities of ProSoft Configuration Builder
(PCB).

You can transfer status data values from the module to processor memory and can
monitor them in the processor manually or by customer-created logic.
7.1

LED Status Indicators

The LEDs indicate the module's operating status.
Status
LED
On
ETH
Off
Green
P1
Red
Off
Green
P2
Red
Off
Green
CFG
Yellow
Red
Off
Green
BP
Red
Green
OK
Red
ProSoft Technology, Inc.
Indication
Ethernet communications are ok
No Ethernet cable connected
Data is being transferred between the module and the Modbus
network on Port 1
Communication error detected
No Modbus network activity detected
Data is being transferred between the module and the Modbus
network on Port 2
Communication error detected
No Modbus network activity detected
Configuration is ok
Module is reading configuration
Error setting up Modbus protocol driver, failed startup, or module
shutting down
Processor is in Program mode
The LED is on when the module is performing a write operation on
the backplane. Under normal operation, the LED should blink
rapidly on and off.
Major fault or module shutting down
Module is ok
The program has detected an error or is being configured. If the
LED remains red for over 10 seconds, the program has probably
halted.
Diagnostics and Troubleshooting
User Manual
Page 98 of 159