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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
PERIODIC, CYCLIC
BACKGROUND SCAN
SPONTANEOUS
INITIALIZED
REQUEST OR REQUESTED
ACTIVATION
ACTIVATION CONFIRMATION
DEACTIVATION
DEACTIVATION CONFIRMATION
ACTIVATION TERMINATION
RETURN INFO CAUSED BY LOCAL CMD
FILE TRANSFER
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