GE N60 Instruction Manual page 606

E.1 IEC 60870-5-104 PROTOCOL
Parameter in control direction
 <110> := Parameter of measured value, normalized value
 <111> := Parameter of measured value, scaled value
 <112> := Parameter of measured value, short floating point value
 <113> := Parameter activation
File transfer
 <120> := File Ready
 <121> := Section Ready
 <122> := Call directory, select file, call file, call section
 <123> := Last section, last segment
 <124> := Ack file, ack section
 <125> := Segment
 <126> := Directory (blank or X, available only in monitor [standard] direction)
Type identifier and cause of transmission assignments
(station-specific parameters)
In the following table:
•Shaded boxes are not required.
•Black boxes are not permitted in this companion standard.
•Blank boxes indicate functions or ASDU not used.
E
•'X' if only used in the standard direction
TYPE IDENTIFICATION
NO. MNEMONIC
<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
E-4
1 2 3 4 5
X X
N60 Network Stability and Synchrophasor Measurement System
CAUSE OF TRANSMISSION
6 7 8 9 10 11 12
X X
APPENDIX E
PE_ME_NA_1
PE_ME_NB_1
PE_ME_NC_1
PE_AC_NA_1
F_FR_NA_1
F_SR_NA_1
F_SC_NA_1
F_LS_NA_1
F_AF_NA_1
F_SG_NA_1
C_CD_NA_1
20 37
13 to to 44 45 46
36 41
X
GE Multilin
47