CHAPTER 6: IEC 60870-5-104 COMMUNICATION INTEROPERABILITY DOCUMENT
UR FAMILY – COMMUNICATIONS GUIDE 6-7
6
6. BASIC APPLICATION FUNCTIONS
Station initialization
 Remote initialization
Cyclic data transmission
 Cyclic data transmission
Read procedure
 Read procedure
Spontaneous transmission
 Spontaneous transmission
Double transmission of information objects with cause of transmission spontaneous
The following type identifications may be transmitted in succession caused by a single status change of an
information object. The particular information object addresses for which double transmission is enabled are defined
in a project-specific list.
<105> C_RP_NA_1 XX
<106> C_CD_NA_1
<107> C_TS_TA_1
<110> P_ME_NA_1
<111> P_ME_NB_1
<112> P_ME_NC_1 XX X
<113> P_AC_NA_1
<120> F_FR_NA_1
<121> F_SR_NA_1
<122> F_SC_NA_1
<123> F_LS_NA_1
<124> F_AF_NA_1
<125> F_SG_NA_1
<126> F_DR_TA_1*)
Type identification Cause of transmission
No. Mnemonic 1234567891011121320
to
36
37
to
41
44 45 46 47
DEACTIVATION CONFIRMATION
RETURN INFO CAUSED BY LOCAL CMD
INTERROGATED BY GROUP <NUMBER>
REQUEST BY GROUP <N> COUNTER REQ
UNKNOWN TYPE IDENTIFICATION
UNKNOWN CAUSE OF TRANSMISSION
UNKNOWN COMMON ADDRESS OF ASDU
UNKNOWN INFORMATION OBJECT ADDR
UNKNOWN INFORMATION OBJECT ADDR