Manual
MAN0964-01-EN    CH.12 
June 29, 2012  Page 63 of 122    
User Program:  Ok  = Ladder program and I/O configuration loaded successfully 
  Fault  = Ladder program or I/O configuration not loaded or load failed 
The last nine System Diagnostics are informational. If any of them indicate a Warning condition, the XL4 
OCS can still enter and remain in Run mode, but the problem should be investigated and corrected. 
User Graphics:  Ok  = Application graphics objects loaded successfully 
  Fault  = Application graphics objects not loaded or load failed 
W-Dog Trips:  0  = Watchdog timer has not tripped since the last power-up 
  x  = Number of times watchdog timer has tripped 
Net Errors:  0  = No CAN network bus-off errors have occurred 
  x  = Number of CAN network bus-off errors that have occurred 
Network State:  Ok  = At least one other node was found on the CAN network 
  Warning  = No other nodes were found on the CAN network 
Network ID:  Ok  = This node’s CAN Network ID is in the range 1 to 253 
  Warning  = This node’s CAN Network ID was out of range at power-up 
Dup Net ID:  Ok  = This node’s Network ID is unique on the CAN network 
  Warning  = This node’s Network ID is duplicated in another node 
Clock Error:  Ok  = Time and date have been set 
  Warning  = Time and date need to be set 
I/O System:  Ok  = I/O configuration matches the installed I/O and COM modules 
  Warning  = I/O configuration needs updating to match installed modules 
Battery:  Ok  = Backup battery operating properly 
  Warning  = Backup battery needs to be replaced 
View I/O Slots 
The View I/O Slots Sub-Menu displays three System Settings, all of which are not editable. 
Internal to the XL4 OCS, there is a CPU board, and up to two installed modules.  Model XE100 has no 
installed I/O or COM modules. All other models have an I/O module and can have a user-installed COM 
module.  
Depending on which I/O module is installed and which I/O module has been configured by Cscape, one 
of the following six System Settings should appear for Slot 1: 










