
Common data class specifications for status information
3.2.15.
Single point status (SPS)
3.2.15.1.
The following table defines the common data class of single point status.
Table 3.2.15.1-1 Single point status (SPS)
OPC Data
Type
M/O
Value/ Value
range
FC
Type
Name
VT_BOOL
M
TRUE |
FALSE
ST
BOOLEAN
stVal
VT_I4
M
ST
Quality
q
VT_DATE
M
ST
TimeStamp
t
VT_BOOL
O
SV
BOOLEAN
subEna
VT_BOOL
O
TRUE |
FALSE
SV
BOOLEAN
subVal
VT_I4
O
SV
Quality
subQ
VT_BSTR
O
SV
VISIBLE
STRING64
subID
VT_BSTR
O
Text
DC
VISIBLE
STRING64
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
Double point status (DPS)
3.2.15.2.
The following table defines the common data class of double point status.
Table 3.2.15.2-1 Double point status (DPS)
OPC Data
Type
M/O
Value/ Value
range
FC
Type
Name
VT_I4
M
intermediate-
state (0) | off
(1) | on (2) |
bad-state (3)
ST
CODED
ENUM
stVal
VT_I4
M
ST
Quality
q
31
COM600 series 5.0
1MRS758690
Master Protocols (Ethernet) and Applications Technical Refer-
ence Manual
Содержание COM600 series 5.0
Страница 1: ... COM600 series 5 0 Master Protocols Ethernet and Applications Technical Reference Manual ...
Страница 2: ......
Страница 8: ...8 ...
Страница 156: ...156 ...
Страница 163: ......