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OPC Data
Type
M/O
Value/ Value
range
FC
Type
Name
VT_BSTR
O
Text
DC
VISIBLE
STRING255
d
VT_BSTR
O
DC
UNICODE
STRING255
dU
VT_BSTR
O
EX
VISIBLE
STRING255
cdcNs
VT_BSTR
O
EX
VISIBLE
STRING255
cdcName
VT_BSTR
O
EX
VISIBLE
STRING255
dataNs
a. One or more of these groups (1 - 3) must be present.
Common data class specifications for controllable status
information
3.2.17.
Controllable single point (SPC)
3.2.17.1.
The following table defines the common data class of controllable single point.
Table 3.2.17.1-1 Controllable single point (SPC)
OPC Data
Type
M/O
Value/ Value
range
FC
Type
Name
VT_I4
Refer to
3.2.22, Applica-
tion error
codes
ApplicationErr-
orCode
lastApplError
VT_BOOL
M
off (FALSE) |
on (TRUE)
CO
BOOLEAN
ctlVal
VT_DATE
O
CO
TimeStamp
operTm
CO, ST
Originator
origin
VT_I4
O
0..255
CO, ST
INT8U
ctlNum
VT_BOOL
M
FALSE |
TRUE
ST
BOOLEAN
stVal
VT_I4
M
ST
Quality
q
VT_DATE
M
ST
TimeStamp
t
VT_BOOL
O
FALSE |
TRUE
ST
BOOLEAN
stSeld
VT_BOOL
O
SV
BOOLEAN
subEna
42
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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