Rockwell Automation 1747-BSN Backup Scanner Module - Manual (Page 32)

Publication 1747-UM010B-EN-P - September 2003
1-18 Overview
Hardware Features Note the backup scanner’s hardware features in the following
illustration.
Status LEDs
The table below describes the six LEDs located on the module’s front
panel. To ensure that they are operating correctly, all LEDs illuminate
during power up.
LED Definition Status &
Color Indication
PRI Primary Steady Green The module is in the primary mode.
SEC Secondary Steady Amber The module is in the secondary mode.
RIO RIO
Communication Steady Green The RIO link is working properly.
Flashing
Green A remote device is not configured or
connected correctly, or is faulted.
Flashing Red The RIO link has a fault. The scanner is
connected incorrectly, or all devices are
configured improperly, have no power, or
are faulted.
Steady Red There is a configuration error.
Off The communication channel is not
configured as RIO.
ERR Backup Module
Error Flashing Red The module is not ready for switchover.
Off The module is ready for switchover.
HSSL High-Speed
Serial Link
Communication Flashing
Green The link is operating with no errors.
Off A communications error has been
detected on the HSSL.
FLT Fault Steady Red A hardware fault has occurred.
Flashing Red The module is not configured properly.
PRI
ERR
FLT
SEC
RIO
HSSL
BACKUP SCANNER
Status LEDs
High-Speed Serial Link (HSSL)
Local Status
Link (LSL)