Practical_modern_SCADA_protocols_-_dnp3,_60870-5_and_Related_Systems

254 Practical Modern SCADA Protocols: DNP3, 60870.5 and Related Systems
Types 16, 37 Integrated totals with time
INFORMATION OBJECT TYPE: 16,37
CODE:
M_IT_TA_1, M_IT_TB_1
DESCRIPTION:
Integrated totals with time tag
VALID WITH SQ: 0
Information Object for SQ = 0 (Sequence of Information Objects)
Information Object Address
S
IV CA CY
Value
Value
Value
Value
Sequence Number
BCR – Binary Counter Reading
CP24Time2a or CP56Time2a
Three or seven-octet binary time
Valid cause of transmission codes
Spontaneous
Requested by general counter request
Requested by group G counter request G =
Notes
BCR – Binary counter reading
Type 16 has three-octet time. Type 37 has seven-octet time
Types 17, 38 Event of protection with time
INFORMATION OBJECT TYPE: 17, 38
CODE:
M_EP_TA_1, M_EP_TD_1
DESCRIPTION:
Event of protection equipment with time tag
VALID WITH SQ: 0
Information Object for SQ = 0 (Sequence of Information Objects)
Information Object Address
IV NT SB BL EI ES SEP
CP16Time2a
Two-octet binary time, elapsed time
CP24Time2a or CP56Time2a
Three or seven-octet binary time