Instruction Manual

120 Publication 1753-UM001C-EN-P - March 2010
Chapter 13 Controller Configuration and Modes of Operation
Routine Modes
The controller runs only one routine. The following table and
flowchart summarize the routine modes.
Mode Description
Run_Run The controller is in the Run mode.
• The routine is executed cyclically by the controller.
• Input data are processed in the routine.
• Output data of the routine are operated.
Run_Freeze The controller is in the Run mode.
• The routine is not executed.
• No input data are processed.
•
No output data of the routine are operated.
Stop The controller is in the Stop mode.
• The routine is no longer being executed.
• All outputs have been reset.
Failure_Stop The controller is in the Stop mode.
• The routine was stopped due an error.
• All outputs are reset.
• The hardware watchdog is not triggered.
• To recover from Failure_Stop, a restart of the controller is necessary. A restart can be
initiated only via RSLogix Guard PLUS! software. See Recover From a Failure_Stop
on
page 116
.
Test Mode (single step) The controller is in Run mode.
• The routine is triggered manually.
• I/O data are processed.
IMPORTANT: Test Mode is not permitted for safe operation.