"R" if only used in the reverse direction
"B" if used in both directions
Type identification Cause of transmission
Deactivation confirmation
Return info caused by a remote cmd
Return info caused by a local cmd
Interrogated by group <number>
Request by group <n> counter request
Unknown type identification
Unknown cause of transmission
Unknown common address of ASDU
Unknown information object address
1 2 3 4 5 6 7 8 9 10 11 12 13 20
to
36
37
to
41
44 45 46 47
<1> M_SP_NA_1 X X X
<2> M_SP_TA_1
<3> M_DP_NA_1 X X X
<4> M_DP_TA_1
<5> M_ST_NA_1 X X
<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 X X X X
<12> M_ME_TB_1
<13> M_ME_NC_1 X X X X
<14> M_ME_TC_1
<15> M_IT_NA_1 X
<16> M_IT_TA_1
<17> M_EP_TA_1
<18> M_EP_TB_1
<19> M_EP_TC_1
<20> M_PS_NA_1
<21> M_ME_ND_1
<30> M_SP_TB_1 X X X X
<31> M_DP_TB_1 X X X X
<32> M_ST_TB_1 X X
<33> M_BO_TB_1
<34> M_ME_TD_1
<35> M_ME_TE_1 X X
<36> M_ME_TF_1 X X
<37> M_IT_TB_1 X X
<38> M_EP_TD_1
<39> M_EP_TE_1
<40> M_EP_TF_1
Table continues on the next page
2NGA001859 A IEC 60870-5-104 interoperability
REX615
IEC 60870-5-104 Communication Protocol Manual
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