GE Multilin D60 Line Distance Relay D-3APPENDIX D D.1 IEC 60870-5-104 PROTOCOLDEither the ASDUs of the set <2>, <4>, <6>, <8>, <10>, <12>, <14>, <16>, <17>, <18>, and <19> or of the set<30> to <40> are used.Process information in control directionEither the ASDUs of the set <45> to <51> or of the set <58> to <64> are used.System information in monitor directionSystem information in control direction<21> := Measured value, normalized value without quantity descriptor M_ME_ND_1<30> := Single-point information with time tag CP56Time2a M_SP_TB_1<31> := Double-point information wiht time tag CP56Time2a M_DP_TB_1<32> := Step position information with time tag CP56Time2a M_ST_TB_1<33> := Bitstring of 32 bits with time tag CP56Time2a M_BO_TB_1<34> := Measured value, normalized value with time tag CP56Time2a M_ME_TD_1<35> := Measured value, scaled value with time tag CP56Time2a M_ME_TE_1<36> := Measured value, short floating point value with time tag CP56Time2a M_ME_TF_1<37> := Integrated totals with time tag CP56Time2a M_IT_TB_1<38> := Event of protection equipment with time tag CP56Time2a M_EP_TD_1<39> := Packed start events of protection equipment with time tag CP56Time2a M_EP_TE_1<40> := Packed output circuit information of protection equipment with time tag CP56Time2a M_EP_TF_1<45> := Single command C_SC_NA_1<46> := Double command C_DC_NA_1<47> := Regulating step command C_RC_NA_1<48> := Set point command, normalized value C_SE_NA_1<49> := Set point command, scaled value C_SE_NB_1<50> := Set point command, short floating point value C_SE_NC_1<51> := Bitstring of 32 bits C_BO_NA_1<58> := Single command with time tag CP56Time2a C_SC_TA_1<59> := Double command with time tag CP56Time2a C_DC_TA_1<60> := Regulating step command with time tag CP56Time2a C_RC_TA_1<61> := Set point command, normalized value with time tag CP56Time2a C_SE_TA_1<62> := Set point command, scaled value with time tag CP56Time2a C_SE_TB_1<63> := Set point command, short floating point value with time tag CP56Time2a C_SE_TC_1<64> := Bitstring of 32 bits with time tag CP56Time2a C_BO_TA_1<70> := End of initialization M_EI_NA_1<100> := Interrogation command C_IC_NA_1<101> := Counter interrogation command C_CI_NA_1<102> := Read command C_RD_NA_1<103> := Clock synchronization command (see Clause 7.6 in standard) C_CS_NA_1<104> := Test command C_TS_NA_1<105> := Reset process command C_RP_NA_1<106> := Delay acquisition command C_CD_NA_1<107> := Test command with time tag CP56Time2a C_TS_TA_1
