Process Information: Monitored Direction
IEC60870-5-101/104 servers support this process information in the monitored direction:
M_SP: single-point information
M_DP: double-point information
M_ME_A: measurements value, normalized value
M_ME_B: measurements value, scaled value
M_ME_C: measurements value, short floating-point
M_IT: integrated totals
M_ST: step position information
M_BO: bit and byte strings
Process Information: Control Direction
IEC60870-5-101/104 servers support this process information in the control direction:
C_SC: single command
C_DC: double command
C_SE_A: set-point command, normalized value
C_SE_B: set-point command, scaled
C_SE_C: set-point command, short floating-point number
C_RC: regulating step command
C_BO: bit-string of 32 bits
System Information: Monitored Direction
IEC60870-5-101/104 servers support this system information in the monitored direction:
M_EI: end of initialization with COT of initialized
- M_EI_NA: After receiving an M_EI_NA EOI message, you can configure these items:
general interrogation information
clock synchronization
counter-interrogation
System Information: Control Direction
IEC60870-5-101/104 servers support this system information in the control direction:
C_IC: These interrogation command points support G/1~16 qualifiers and the Deactivation/Activation operation modes.
C_CI: These counter-interrogation commands support G/1~4 qualifiers and Read/Freeze/Freeze-With-Reset/Reset operation modes.
C_CS: clock synchronization commands
C_TS: test commands
C_RP: These reset process command points support the General/Event qualifiers.
C_RD: read commands
Parameter Information: Control Direction
IEC60870-5-101/104 servers support these parameters in the control direction:
P_ME_A: parameter for measurement, normalized value
P_ME_B: parameter for measurement, scaled value
P_ME_C: parameter for measurement, short-floating point number
P_AC: parameter activation support for the Deactivation/Activation operation mode
M_CUSTOME_IT_D
IEC60870-5-101/104 servers support 64–bit M_CUSTOME_IT_D points, which support the mapping functions to the Device DDT variables of the CPU.