Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 143)

Publication 1769-UM009E-EN-P - August 2009 143
CompactLogix Backup on the DeviceNet Network Appendix B
Lost Primary Scanner Module With Valid Backup Scanner Module
Run Mode
Primary Secondary
Node Number 00 01 or 00
Status Undefined error 68 (No backup scanner present) or
00 (Run mode)
Primary or Secondary -- P - (Primary)
Idle Mode
Primary Secondary
Node Number 00 00 or 01
Status Undefined error 68 (No backup scanner present) or
80 (Idle mode)
Primary or Secondary -- P - (Primary)
CRC Error
Run Mode
Primary Secondary
Node Number 00 or 01 00 or 01
Status 68 (No backup scanner present) or
00 (Run mode) 69 (Backup scanner invalid CRC)
Primary or Secondary P - (Primary) --
Idle Mode
Primary Secondary
Node Number 00 or 01 00 or 01
Status 68 (No backup scanner present) or
80 (Idle mode) 69 (Backup scanner invalid CRC)
Primary or Secondary P - (Primary) --
Lost Primary Scanner Module Without Valid Backup Scanner Module
Run Mode
Primary Secondary
Node Number Undefined error Undefined error
Status -- --
Primary or Secondary -- --