regulated DC/DC converter that provides full isolation between the terminal and theexternal battery system.Connection diagramIEC08000476 V2 ENFigure 523: PSM Connection diagram.21.2.3.3 Technical dataTable 886:PSM - Power supply moduleQuantity Rated value Nominal rangeAuxiliary DC voltage, EL (input) EL = (24-60) VEL = (90-250) VEL ±20%EL ±20%Power consumption 50 W typically -Auxiliary DC power in-rush < 10 A during 0.1 s -21.2.4 Local human-machine interface (Local HMI)Refer to section "Local HMI" for information.21.2.5 Transformer input module (TRM)21.2.5.1 IntroductionThe transformer input module is used to galvanically separate and adapt the secondarycurrents and voltages generated by the measuring transformers. The module hastwelve inputs in different combinations of currents and voltage inputs. Eitherprotection class or metering class CT inputs are available.Alternative connectors of Ring lug or Compression type can be ordered.1MRK502052-UEN B Section 21IED hardware1151Technical manual
