CLS LINAC Operator Interface. By Hao Zhang. Topics. Background Requirements Design and Implementation Injection Status Screen Machine Protection Screen LINAC Master Display Benefits and Future Demo Questions. Background.
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By Hao Zhang
The Injection Status Screen
Status indicator matrix: How PVs are organized
Indicator color definition: How status is represented
Sub-screens: Display components info in a sub-system
Related displays: links to other EDM screens
Eg. PVLTB1:IOP:status gives the collective status for all the ion pumps in the LTB
Eg. The most common algorithm finds out the highest alarm level in all the individual PVs and pass it to the group PV.
Example: pass highest alarm to the group PV
Overview of LINAC machine protection system
The LINAC Machine Protection Screen:
EPICS PVs are created based on the PLC variables. Modbus Ethernet driver is used for the mapping from Modicon Momentum PLC variables to EPICS PVs.