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Controllable double point (DPC)
5.2.16.
OPC data types
DNP data object
field
Mandat-
ory/Optional
Value/Value range
Type
Name
VT_BOOL
State (0:OFF,
1:ON)
M
FALSE | TRUE
BOOLEAN
stVal
VT_BOOL
Control Code
O
FALSE | TRUE
BOOLEAN
ctlOperOn
VT_BOOL
Control Code
O
FALSE | TRUE
BOOLEAN
ctlOperOff
VT_BOOL
Control Code
O
FALSE | TRUE
BOOLEAN
ctlSelOn
VT_BOOL
Control Code
O
FALSE | TRUE
BOOLEAN
ctlSelOff
VT_BOOL
-
O
FALSE | TRUE
BOOLEAN
ctlCan
VT_BOOL
Control Code
O
FALSE | TRUE
BOOLEAN
stSelt
VT_I4
DNP status
M
Quality
q
VT_DATE
<server provided if
none> | Time of
occurrence | MSEC
M
TimeStamp
t
VT_BSTR
-
O
Text
Description
d
Controllable integer status (INC)
5.2.17.
OPC data types
DNP data object
field
Mandat-
ory/Optional
Value/Value range
Type
Name
VT_I4
Control Code
M
-
INTEGER
ctlVal
VT_I4
Current Value
M
FALSE | TRUE
BOOLEAN
stVal
VT_I4
DNP status
M
Quality
q
VT_DATE
<server provided if
none> | Time of
occurrence | MSEC
M
TimeStamp
t
VT_BSTR
-
O
Text
Description
d
Controllable Enumerated Status (ENC)
5.2.18.
OPC data types
Protocol informa-
tion element
Mandat-
ory/Optional
Value/ Value
range
Type
Name
VT_I4
Control Value
M
ENUMERATED
ctlVal
VT_I4
Current value
M
ENUMERATED
stVal
VT_I4
DNP status
M
Quality
q
112
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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