CHAPTER 6: IEC 60870-5-104 INTEROPERABILITY
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE 6-5
Type identifier and cause of transmission assignments (station-specific parameters) are
shown in the following tables. In these tables, shaded boxes (░) are not required, black
boxes (█) are not permitted in the companion standard, empty cells indicate the functions
or ASDU are not used, and a cross (╳) indicates availability only in the standard direction.
Table 6-7: Cause of transmission numbers
Table 6-8: Cause of transmission assignments
Number Cause of transmission
1 Periodic, cyclic
2 Background scan
3 Spontaneous
4 Initialized
5 Request or requested
6 Activation
7 Activation confirmation
8 Deactivation
9 Deactivation confirmation
10 Activation termination
11 Return information caused by a remote command
12 Return information caused by a local command
13 File transfer
20 Interrogated by station interrogation
21 to 36 Interrogated by group <number> interrogation
37 Requested by general counter request
38 to 41 Requested by group <number> counter request
44 Unknown type of identification
45 Unknown cause of transmission
46 Unknown command address of ASDU
47 Unknown information object address
Type identification Cause of transmission
No. Mnemonic 1234567891011121320
to
36
37
to
41
44 45 46 47
<1> M_SP_NA_1 ░ ░ ╳ ░ ░ ░ ░ ░ ░ ╳ ░ ░ ░ ░ ░
<2> M_SP_TA_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ █ █ ░ ░ ░ ░ ░ ░ ░
<3> M_DP_NA_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<4> M_DP_TA_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ █ █ ░ ░ ░ ░ ░ ░ ░
<5> M_ST_NA_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<6> M_ST_TA_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ █ █ ░ ░ ░ ░ ░ ░ ░
<7> M_BO_NA_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<8> M_BO_TA_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<9> M_ME_NA_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<10> M_ME_TA_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<11> M_ME_NB_1 ╳ ░ ╳ ░ ░ ░ ░ ░ ░ ░ ░ ╳ ░ ░ ░ ░ ░
<12> M_ME_TB_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<13> M_ME_NC_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<14> M_ME_TC_1 ░ ░ █ ░ █ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░
<15> M_IT_NA_1 ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ╳ ░ ░ ░ ░
<16> M_IT_TA_1 ░ ░ █ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ █ ░ ░ ░ ░
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