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Chronicle Architecture

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Chronicle Architecture Powered By Docstoc
					                                                                         Plant
                                                                        Ethernet
      Chronicle
     Architecture
     Custom Code to monitor       PLC Gateway
  OPC server, collect data and    - PLC Communication
                                  - Supports 100's of PLC models                      PLC
   store in RDBMS. Alarms to
  be paged would be monitored
        from here as well.        OPC Server
                                  - Used to collect data from PLCs
                                  - May also be used by other clients
                                                                                       PLC
                                    on the plant network

   SQL RDBMS
   - Numerical Log Storage
                                                                                         PLC
   - Message/Alarm Storage
   - Configuration Storage                  PostgreSQL ODBC                           Plant PLCs
   - Report Template Storage
   - User Management
                                     Access data from any ODBC
                                          compliant client

                                                                                      Desktop
     Custom Code to manage
   Report Templates, schedule                                                             Desktop
   timed reports, and route on-
         demand reports                                                                         Desktop



                                          Web Server
                                          - User Interface                         Plant Workstations
Report Formatter                          - Configuration
- Java Application                        - Reporting
- Driven by XSL-FO                        - Other content
- Supported output includes:
  PDF, PCL, PS, SVG, & others

				
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