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UR FAMILY – COMMUNICATIONS GUIDE
INTEROPERABILITY DOCUMENT
CHAPTER 6: IEC 60870-5-104 COMMUNICATION
6
Single point information: M_SP_NA_1, M_SP_TA_1, M_SP_TB_1, and M_PS_NA_1
Double point information: M_DP_NA_1, M_DP_TA_1, and M_DP_TB_1
Step position information: M_ST_NA_1, M_ST_TA_1, and M_ST_TB_1
Bitstring of 32 bits: M_BO_NA_1, M_BO_TA_1, and M_BO_TB_1 (if defined for a specific project)
Measured value, normalized value: M_ME_NA_1, M_ME_TA_1, M_ME_ND_1, and M_ME_TD_1
Measured value, scaled value: M_ME_NB_1, M_ME_TB_1, and M_ME_TE_1
Measured value, short floating point number: M_ME_NC_1, M_ME_TC_1, and M_ME_TF_1
Station interrogation
Clock synchronization
Clock synchronization (optional, see Clause 7.6)
Command transmission
Direct command transmission
Direct setpoint command transmission
Select and execute command
Select and execute setpoint command
C_SE ACTTERM used
No additional definition
Short pulse duration (duration determined by a system parameter in the outstation)
Long pulse duration (duration determined by a system parameter in the outstation)
Persistent output
Supervision of maximum delay in command direction of commands and setpoint commands
Maximum allowable delay of commands and setpoint commands:
10 s
Transmission of integrated totals
Mode A: Local freeze with spontaneous transmission
Mode B: Local freeze with counter interrogation
Mode C: Freeze and transmit by counter-interrogation commands
Mode D: Freeze by counter-interrogation command, frozen values reported simultaneously
Counter read
Counter freeze without reset
Counter freeze with reset
Counter reset
General request counter
Request counter group 1
Request counter group 2
Request counter group 3
Request counter group 4
Global
Group 1
Group 5
Group 9
Group 13
Group 2
Group 6
Group 10
Group 14
Group 3
Group 7
Group 11
Group 15
Group 4
Group 8
Group 12
Group 16
