Interpret the led indicators – Rockwell Automation 1756-Mxxxx ControlLogix SERCOS interface Module Installation Instructions User Manual
Page 8
8 ControlLogix SERCOS interface Module
Publication
1756-IN572G-EN-P - May 2005
Interpret the LED Indicators
Table 1 SERCOS Communication Phase Status (CP) Indicator
State
Description
Solid Orange
Phase -1: Autobaud detection in progress.
OFF
Phase 0: looking for a closed ring.
Flashing Red
Phase 1: looking for active nodes.
Alternating Red/Green
Phase 2: configuring nodes for communication.
Flashing Green
Phase 3: configuring device specific parameters
Solid Green
Phase 4: configured and active.
Table 2 SERCOS Ring Status Indicator
State
Description
Recommended Action
Solid
Green
The ring, drive, and axes
are configured and
actively communicating
through to the nodes on
the ring.
None.
OK
CP
SERCOS Communication Phase Status (CP) Indicator
SERCOS Ring Status Indicator
Module Health and Communication Status (OK)
Indicator