1. TPC Very High Voltage Control Status report Marco Boccioli 20/04/2006

2. Summary  PLC control and communication routines implemented and tested  PVSS interface implemented  Safety features tested  System being installed at P2  Draft technical note: \\pcaitdc21\share\TPC \\pcaitdc21\share\TPC

3. Implementation: devices

4. Implementation: State Diagram

5. Implementation

6. PVSS user interface

7. Safety ErrorReactionReaction time [s] Any interlock is badSoftware ramp downInterlock dependent Voltage tripSoftware ramp down<4 ELMB is not activeHardware ramp down<7 RS232 communicationHardware ramp down<14 Current tripHardware ramp down<1 HV Output is offHardware ramp down<15 Enable Set Value is offHardware ramp down<1 PLC not runningHardware ramp down<1  Electrical safety checked  PLC safety routines tested

8. Installing the system

9.  PVSS with FSM  Schneider OPC server Supervisory

10. Installing the system  Schneider Electric Premium P57 5634M PLC

11. Installing the system  Heinzinger PNC 150000 Power Supply

12. Installing the system ELMB  One for each side

13. Installing the system Cabling  Seven points for each side

14. What next…  End the cabling  Test the installed system  Integrate the FSM with DCS  Release the technical note (\\pcaitdc21\share\TPC)\\pcaitdc21\share\TPC