The Controller reads the Input Parameter File and formats the parameters into an internal format in shared memory. The Controller also rebuilds the address space from checkpoint files, if any exist. Otherwise, the Controller determines if a cold start is needed by sending a message that requires a confirmation response to a configurable message queue or to QSYSOPR if no queue was configured.

Then the Controller submits the jobs for the Command Handler and Condense subtasks (DTLCCMDH and DTLCCNDS). The Controller synchronizes the initialization of these tasks to ensure that no task can proceed beyond its initialization phase until all tasks are ready to proceed.

PowerExchange Condense writes progress messages to the message log.

After all tasks have shut down, the Controller shuts down and PowerExchange Condense ends. A return code of 0 is issued for a normal shutdown, and a return code of 8 is issued for any other circumstance.