CONTROL RECEIPE

Step A
1. You have to create the PI instruction category in customizing T code O12C
2. Create characteristics CT04
3. Assign the characteristics to PI instr category O12C
4. While creating Master recipe, assign the PI instructions categories you want to use.

Step B
After creation & releasing process order create control recipe.

then go for T code- CO 53 - send control recipe(control recipe monitor)
http://help.sap.com/saphelp_46c/helpdata/en/f3/6ee4117aed11d2a5fe0060087d1a6b/content.htm
CO60 - Operator will enter the values
CO54 - send process messages
http://help.sap.com/saphelp_46c/helpdata/en/ac/6a101268ce11d2a67600104b57eaa3/content.htm
CO55- Check the report.

Transaction CO57, to trigger manually a process message with message Category PI_CRST for the process order and Control reciepe combination.

Then use Transaction CO54 to send the Message to the process order