ProSoft Technology MVI56-AFC User Manual
Page 256
Diagnostics and Troubleshooting
MVI56-AFC ♦ ControlLogix Platform
User Manual
Liquid and Gas Flow Computer
Page 256 of 316
ProSoft Technology, Inc.
February 25, 2011
13.1 User LEDs
There are two "user" LEDs used to indicate overall module status; App Status
and BP Act (with P1, P2, or P3).
13.1.1 App Status LED
State
Description
Rapid Blinking
The processor is offline (probably in program mode).
Steady On
Some meter is indicating an alarm or no meters are enabled.
Off
The module is functioning properly.
13.1.2 BP Act and P1, P2, or P3
These LEDs indicate current Modbus traffic on any port.
State
Description
On
A Modbus command for the module is recognized. On Port 3, this LED may also
indicate that a Modbus Master command was sent.
Off
No Activity