IEC 61158-5-8:2007

Industrial communication networks - Fieldbus specifications - Part 5-8: Application layer service definition - Type 8 elements

IEC 60488-1:2004

Higher performance protocol for the standard digital interface for programmable instrumentation - Part 1: General

IEC 60488-2:2004

Standard digital interface for programmable instrumentation - Part 2: Codes, formats, protocols and common commands