Project No.HD 557 S1:1990
TitleApplies to non-multiplexed two wire binary direct voltage signals of nominal 24 V level that are used in industrial-process measurement and control systems to transmit information between elements of systems.
Registration number (WIID)42066
ScopeApplies to non-multiplexed two wire binary direct voltage signals of nominal 24 V level that are used in industrial-process measurement and control systems to transmit information between elements of systems.
StatusIzstrādē
ICS groupNot set