3.3 Application layer
3.3.1 Transmission mode for application data
Mode 1 (least significant octet first), as defined in 4.10 of IEC 60870-5-4, is used
exclusively in this companion standard.
3.3.2 COMMON ADDRESS of ASDU
⊠ One COMMON ADDRESS OF ASDU (identical with station address)
More than one COMMON ADDRESS OF ASDU
3.3.3 Selection of standard information numbers in monitor
direction
3.3.3.1 System functions in monitor directions
INF Semantics
⊠ <0> End of general interrogation
⊠ <0> Time synchronization
⊠ <2> Reset FCB
⊠ <3> Reset CU
⊠ <4> Start/restart
⊠ <5> Power on
3.3.3.2 Status indications in monitor direction
INF Semantics
⊠ <16> Auto-recloser active 1
<17> Teleprotection active
<18> Protection active
<19> LED reset
<20> Monitor direction blocked
⊠ <21> Test mode
<22> Local parameter setting
⊠ <23> Characteristic 1
⊠ <24> Characteristic 2
⊠ <25> Characteristic 3
⊠ <26> Characteristic 4
Table continues on next page
Section 3 1MRS756882 B
Interoperability profile for 615 series IEC 60870-5-103
22 REM615
Point List Manual