ControlMonitoring System Overview The D Control System History
- Slides: 13
Control/Monitoring System Overview
The DØ Control System · History u Run I - CDAQ Built at DØ n VMS and Pascal n Platform Independence Decree u Run II - EPICS u Shared with HEP Community n Runs on many platforms n · The Standard (Control) Model Operator Interface (OPI) u Local Area Network (LAN) u Input/Output Controller (IOC) u 1/16/2022
EPICS Characteristics · High performance (records processed per second) u MVME-162 (68 K) n u >5000 MVME-230 x (Power PC) n >50000 · Extensive collection of applications Database editors u Display programs u Alarm handler u Archiver u Many more u Sunday, January 16, 2022
The Standard Model OPI LAN IOC 1/16/2022
OPI Components Hardware Database CA Interface User Application Channel Access Client EPICS File Extractor EPICS. DB File Ethernet LAN 1/16/2022
EPICS IOC Components Channel Access Scanners Database Access IOC Database Record Support Device Support Driver VME 1/16/2022
Record Scanning · Periodic - Process at a periodic rate u Standard n u 0. 1, 0. 2, 0. 5, 1, 2, 5, 10 seconds DØ may add other periods · Event - Process when an event is posted 255 events u Begin run, End run, . . . u · I/O Event - Process on an external interrupt · Passive - Process only when requested 1/16/2022
Multiple Device Display 1/16/2022
Parameter Page 1/16/2022
Device Diagnostic Display 1/16/2022
Secondary DAQ Control Flow Detector VME Bus 1553 Bus Controls/Readout Crates Detector DAQ Run Services RUN SYNCH Stringout EPICS CA SERVER CA Link UNIX Server EPICS CA CLIENT Collector / Router ITC Data Logger HOST SYNCH ITC CONFIG DATABASE COMICS Disk COOR RIP ITC UNIX Server TAKER 1/16/2022
Secondary DAQ Data Flow Detector VME Bus EPICS CA Server CA Link 1553 Bus Detector DAQ Controls/Readout Crates Shared Data ITC EPICS CA Client Data Merge Collector // Router Monitor GUI Examine GUI Data Logger Data Distributor Logger EXAMINE Disk Examine RIP Control Room PCs Linux PCs UNIX Server FCC 1/16/2022
Significant Event System F Filter SE Message Filtered Message Process Periodic Heartbeat Front-End Heartbeat F Significant Event Server F F Display Archiver HV Control Fault Watcher Run Suspend Run Control (COOR) 1/16/2022