Self healing Data Archiving with "Store and Forward"

"Store & Forward" is a self healing 21 CFT Part 11 archiving system that automatically stores data during a communications failure and then forwards this to the configured server when communications have been reinstated.

This results in secure electronic recording with total data integrity.

Normal Operation

• Process value and audit trail sent directly to Central Historian such as Eurotherm INSQL

Missing Data in Historian caused by

• Communicatons failure
• PC Failure
• Historian Failure

Store, Forward and Backfill Action

• Identify missing data period
• Retrieve data from .UHH
• Backfill the control Historian with missing data

T2550 PAC provides

• Dual Redundant Data Acquisition
• Secure .UHH created and stored at local level