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OPC data types
Protocol informa-
tion element
Mandat-
ory/Optional
Value/ Value
range
Type
Name
VT_I4
O
unknown
forward
backward
ENUMERATED
dirNeut
VT_I4
EI, BL, SB, NT, IV
M
Quality
q
VT_DATE
CP24Time2a,
CP56Time2a
M
TimeStamp
t
VT_BSTR
O
Text
Description
d
Binary counter reading (BCR)
4.2.8.
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)
4.2.9.
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
M
TimeStamp
t
VT_R4
O
REAL
hhLim
VT_R4
O
REAL
hLim
VT_R4
O
REAL
lLim
VT_R4
O
REAL
llLim
92
1MRS758690
COM600 series 5.0
Master Protocols (Ethernet) and Applications Technical Refer-
ence Manual
Summary of Contents for COM600 series 5.0
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