ABB REX 521 Technical Reference Manual, General
Also see for REX 521: Operator's manualTechnical Reference Manual, GeneralOperating guideTechnical Reference Manual, Standard ConfigurationsTechnical Reference Manual, Standard Configurations
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281MRS 751108-MUMProtection RelayTechnical Reference Manual, GeneralREX 5214.1.12.6. IEC 60870-5-103 busThe REX 521 includes an unbalanced IEC 60870-5-103 slave communicationinterface.The interface provides a fixed cross-coupling between the REX 521 application(indications, commands and protection equipment) and the IEC 60870-5-103protocol application data. The adjustable parameters are “Baud rate” and “Unitaddress”. User-selectable measurand sets “Frame type” are available for theanalogue measurement values.Avt# !% @hyrsuruvphyprpvsurD@8%'&$ "p
yrThe physical bus topology is star-based. A star-coupler unit, e.g. RER 125, is neededfor connecting the REX 521 unit to a control system.The line idle state of the fibre-optic interface is configurable (“light on” and “light off”) with a parameter“Tx mode”.For more information about the IEC 60870-5-103 bus, refer to Appendix on page 48. $ );<) ( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$ ))( ()'+ $ );<) ( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$( *!(00$(0( $%1 0( ! % ()(0 0 ))))))( *)+')2)( *+')$# 3 )2)"""""4 )5)"',")6 4 )5)"''")67)))))5)+"8") 94)5)""'")6 )5)+$:)"')$). :) / )5)+$( '' )))( ()'+ -" $ ; $ # ( *)+') )B) -") )) !==#) )C=)# $%$ |
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