2012BS EN 61158-5-15:2012 Industrial communication networks. Fieldbus specifications. Application layer service definition. Type 15 elements
2009BS EN 61158-5-11:2008 Industrial communication networks — Fieldbus specifications — Part 5-11: Application layer service definition — Type 11 elements
2004BS EN 61158-5:2004 Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Application layer service definition