CHAPTER 5: IEC 60870-5-103 COMMUNICATION
INTEROPERABILITY DOCUMENT
UR FAMILY – COMMUNICATIONS GUIDE
5-3
5
2. LINK LAYER
There are no choices for the link layer.
3. APPLICATION LAYER
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.
Common address of ASDU
One COMMON ADDRESS OF ASDU (identical with station address)
More than one COMMON ADDRESS OF ASDU
Selection of standard information numbers in monitor direction
System functions in monitor direction
INF Semantics
<0> End of general interrogation
<0> Time synchronization
<2> Reset FCB
<3> Reset CU
<4> Start/restart
<5> Power on
Status indications in monitor direction
INF Semantics
<16> Auto-recloser active
<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
<27> Auxiliary input 1
<28> Auxiliary input 2
<29> Auxiliary input 3
<30> Auxiliary input 4
Supervision indications in monitor direction
INF Semantics
<32> Measurand supervision I
<33> Measurand supervision V
<35> Phase sequence supervision
<36> Trip circuit supervision
<37> I>> back-up operation
<38> VT fuse failure
<39> Teleprotection disturbed
<46> Group warning
<47> Group alarm
Earth fault indications in monitor direction
INF Semantics