OPC90 Server
IN_SELECT VT_BOOL Read Input is selectable indicator (note 2).
IN_ALTERNATE VT_BOOL Read/Write Alternate input active indicator / request (note 2).
IN_CUSTOM VT_BOOL Read/Write Custom input active indicator / request (note 2).
IN_PRIMARY VT_BOOL Read/Write Primary input active indicator / request (note 2).
LATCH VT_BOOL Read/Write Alarm latch indicator / reset request (note 3).
SUPPRESS VT_BOOL Read/Write Alarm suppress indicator / set / reset (note 4).
XRP_OFF VT_BOOL Read/Write E
request (note 5).
xception report off indicator / set / reset /
Notes:
D an to send various commands to the Bailey DADIG
block. Specifically, it allows selection of t
currently be used, control of alarm suppres
exception reporting. Note that writing to the
block feature can also control these features
2.) When the IN_SELECT attribute is TRUE (1),
its various inputs. The IN_ALTERNATE, IN_CUSTOM and IN_PRIMARY attributes
te the curre ein by the
ock to use inp exam
PRIMARY will be one, IN_ALTERNATE
is written to IN_ALTERNATE, the DADIG blo
that writes will be rejected if the IN_SELECT
3.) The DADIG block alarm latch is indicated b
attribute, the latch will be cleared.
4.) This attribute indicates alarm suppression is
alarm suppression (only if enabled by th
respective TRUE (1) or FALSE (0) to this att
exception reporting for this block has been
P RU ceptio
used to turn exception reporting off or on. W
off. Write FALSE (0) to it to enable exceptio
and TRUE (1) is written to this attribute, an
age c b excep
reporting off.
1.) The COMMAN attribute c be used
he CUSTOM input state, what input should
sion, resetting the alarm latch and control of
attributes that report the current state of that
(notes 2 – 5).
the DADIG block can be commanded to use
block. Theyindica
the bl
nt input b
a different
g used
ut. For
can also be used to command
ple assume the current input is primary, then
and IN_CUSTOM will be zero. When a one
ck will begin using the alternate input. Note
attribute is not TRUE (1).
y this attribute. By writing FALSE (0) to this
in effect. It can also be used to set or reset
e DADIG block configuration) by writing a
ribute.
IN_
5.) This attribute indicates whether or not
disabled. If XR _OFF is T E (1), ex n reporting is disabled. This attribute can be
rite TRUE (1) to it to turn exception reporting
n reporting. When exception reporting is off
exception report force command will be sent.
This mess auses the lock to tion report once but still leave exception
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