Binary counter reading (BCR)
5.2.7.
BCR represent DMCD M_IT_NA_1, M_IT_TA_1, M_IT_TB_1.
OPC data types
Protocol informa-
tion element
Mandat-
ory/Optional
Value/ Value
range
Type
Name
VT_I4
BCR
M
INTEGER
actVal
VT_I4
CY, CA, IV
M
Quality
q
VT_DATE
CP24Time2a
CP56Time2a
M
TimeStamp
t
VT_BSTR
O
Text
Description
d
Measured value (MV)
5.2.8.
MV represents DMCD M_ME_NA_1, M_ME_TA_1, M_ME_TD_1, M_ME_NB_1,
M_ME_TB_1, M_ME_NC_1, M_ME_TC_1, M_ME_TF_1.
OPC data types
Protection inform-
ation element
Mandat-
ory/Optional
Value/ Value
range
Type
Name
VT_R4
SVA, NVA, IEEE
STD 754
M
AnalogueValue
mag
VT_I4
L1, L2, L3, L4
O
Range
range
VT_I4
OV, BL, SB, NT, IV
M
Quality
q
VT_DATE
CP24Time2a
CP56Time2a
<none> | Time of
occurence
M
TimeStamp
t
VT_R4
O
REAL
hhLim
VT_R4
O
REAL
hLim
VT_R4
O
REAL
lLim
VT_R4
O
REAL
llLim
VT_R4
O
REAL
min
VT_R4
O
REAL
max
VT I4
Config
O
SiUnit
unit
VT_BSTR
O
Text
Description
d
Complex measured value (CMV)
5.2.9.
CMV is configured in the same way as MV. The only difference is that instead of a
‘mag’ item, there is a ‘cVal’ node containing a ‘mag’ item.
59
Station Automation COM600 3.4
1MRS755382
IEC 60870-5-101 Slave (OPC) User's Manual
Summary of Contents for COM600 3.4
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