A Field Device that is periodically logging a counter value is required to reset the counter to zero after the current value has been logged at the end of the period. Any other event log for the counter point does not affect the counter value.

Technical Bulletin #45 updates the WITS-DNP3 technical documentation with details of the Incremental Configuration record to configure the counter point(s) to behave this way. It also shows the updates to the […]

In order to accommodate new and legacy  versions of DNP3 Secure Authentication, the Committee has decided that henceforth there will be 2 WITS streams:

• Ver 1.3 (which includes SAV2 security)
• Ver 2.1 (which includes SAV5 security) 

New TBs will be incorporated into both versions. The two release packs are now available:

• Release Pack 5-SAv2 (documents for WITS-DNP3 version 1.3)
• Release Pack 5-SAv5 (documents for WITS-DNP3 version 2.1) 

Two revised Test Specs are also […]