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Data Logging
SECTION 20 Best Practices
269
•
Keep scripts short
Although the script editor can manage hundreds of lines this would
suggest a serious design problem. Consider 30 lines as a practical
maximum.
20-6
Data Logging
This section covers some data logging related good practices.
•
Utilise Data Logging performance
Always use the inbuilt Data Logging in preference to trend graphs or file I/
O functions, as the performance is far superior.
•
Always use ‘On Change’
Always log data ‘On Change’. There is no sampling error and CPU, disk
activity and storage required are almost certainly reduced.
•
Use deadband option
Consider using the deadband option, especially for noisy analogue
signals to reduce the actual logging and storage requirements.
•
Don’t ‘Keep all files’
The Dataset ‘Keep all files’ checkbox defaults 'On' for complete data
retention but this should be cleared to stop the Hard Disk filling up.
Summary of Contents for CX-Supervisor
Page 1: ...CX Supervisor Software Cat No W10E EN 01 User Manual Software Release 3 1...
Page 3: ...Copyright Notice 2...
Page 16: ...15...
Page 17: ...16...
Page 27: ...Tip of the Day SECTION 1 Graphics Editor 26...
Page 35: ...CX Supervisor Preferences SECTION 2 Pages 34...
Page 79: ...Responding to Events SECTION 5 ActiveX Objects 78...
Page 115: ...Printing the Graphics Library SECTION 7 Graphics Library 114...
Page 181: ...Data Logging SECTION 11 Data Logging 180...
Page 201: ...Examples SECTION 12 Databases 200...
Page 243: ...Performance Monitor SECTION 16 Application Analysis Performance Monitor 242...
Page 253: ...Using with Omron s CX Server OPC SECTION 17 Using CX Supervisor as an OPC Cli 252...
Page 259: ...Creating a CX Supervisor Client application SECTION 18 Connecting to a remote CX 258...
Page 263: ...Adding a Point Linked to a Parameter SECTION 19 Connecting to Omron Industrial 262...
Page 271: ...Data Logging SECTION 20 Best Practices 270...
Page 275: ...Configuring a Server PC running Windows NT or 2000 Appendix A Configuring a PC 274...
Page 277: ...Appendix B Frequently Asked Questions 276...
Page 296: ...Appendix B Frequently Asked Questions 295...
Page 297: ...Appendix B Frequently Asked Questions 296...
Page 298: ...Appendix B Frequently Asked Questions 297...
Page 299: ...Appendix B Frequently Asked Questions 298...
Page 333: ...Revision history 332...