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OPC data types
Protocol informa-
tion element
Mandat-
ory/Optional
Value/ Value
range
Type
Name
VT_DATE
<none> | Time of
occurrence
M
Timestamp
t
VT_BSTR
O
Description
d
Binary controlled step position information (BSC)
5.2.19.
OPC data types
DNP data object
field
Mandat-
ory/Optional
Value/Value range
Type
Name
VT_I1
Control Code
M
stop (0) | lower (1)
| higher (2) |
reserved (3)
ENUMERATED
ctlVal
VT_I4
State
M
ValWithTrans
valWTr
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
Integer controlled step position information (ISC)
5.2.20.
OPC data types
DNP data object
field
Mandat-
ory/Optional
Value/Value range
Type
Name
VT_I1
Control Code
M
-64 … 63
INTEGER
ctlVal
VT_I4
State
M
ValWithTrans
valWTr
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
Analogue set point (APC)
5.2.21.
OPC data types
Protocol informa-
tion element
Mandatory /
Optional
Value / Value
range
Type
Name
VT_R4
Control Value
M
AnalogueValue
ctlVal
VT_R4
Current value
M
AnalogueValue
mxVal
113
COM600 series 5.0
1MRS758690
Master Protocols (Ethernet) and Applications Technical Refer-
ence Manual
Содержание COM600 series 5.0
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