Rockwell Automation 1788-CN2FF ControlNet to Foundation Fieldbus H1 Linking Device Installation Instructions - Manual (Page 16)

16 ControlNet-to-Foundation Fieldbus H1 Linking Device
Publication 1788-IN051D-EN-P - February 2004
Interpreting the LEDs: Module Status
The STATUS LED is located on the front of the 1788-CN2FF, between the two Fieldbus
connectors, as shown in Figure 1, Item 7. It indicates whether the CN2FF is powered,
configured, and operating properly. Table 8 shows how to interpret the STATUS LED states.
Table 8 Module Status LED State Descriptions
LED State Description
Off No power to the CN2FF
Flashing red and green CN2FF self testing
Flashing green
Standby state (1)
(1) Standby state indicates the CN2FF has passed all self tests and is ready to operate.
Yet, it is not functioning because it is not been configured.
Solid green
Operational state
(2)
(2) Operational state indicates the CN2FF has left standby state because the necessary
network configuration (if any) has occurred.
Flashing red Major recoverable fault
Solid red Major unrecoverable fault