ProSoft Technology MVI56-AFC - 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