OPC Unified Architecture - Part 11: Historical Access.
(OPC Unified Architecture - Teil 11: Zugang zu historischen Daten.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 12: Discovery and global services.
(OPC Unified Architecture - Teil 12: Erkundung und globale Dienste.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 13: Aggregates.
(OPC Unified Architecture - Teil 13: Aggregation von Daten.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 16: State Machines.
(OPC Unified Architecture - Teil 16: Zustandsmaschinen.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 17: Alias Names.
(OPC Unified Architecture - Teil 17: Alias Namen.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 18: Role-Based Security.
(OPC Unified Architecture - Teil 18: Rollenbasierte IT-Sicherheit.)

Standard published on 1.5.2026

OPC Unified Architecture - Part 19: Dictionary Reference.
(OPC Unified Architecture - Teil 19: Wörterbuch Referenz.)

Standard published on 1.5.2026

VDE 0830-91-1-2. Building intercom systems - Part 1-2: System requirements - Building intercom systems using the internet protocol (IP).
(VDE 0830-91-1-2. Gebäude-Sprechanlagen - Teil 1-2: Systemanforderungen - Sprechanlagen auf der Basis des Internet Protokolls (IP).)

Standard published on 1.5.2026

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 2: Specific procedures for pressure transmitters.
(Referenzbedingungen und Testmethoden für Industrie- und Prozessmessgrößenumformer - Teil 2: Spezielle Testmethoden für Druckmessumformer.)

Standard published on 1.5.2026

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 3: Specific procedures for temperature transmitters.
(Referenzbedingungen und Testmethoden für Industrie- und Prozessmessgrößenumformer - Teil 3: Spezielle Testmethoden für Temperaturmessumformer.)

Standard published on 1.5.2026