Alarm Handling - Emerson Fisher Fieldvue DVC6030f Instruction Manual

D ROut Timeout
Note
Typically this parameter does not need
to be changed. The unit will be
operational using the default values
assigned by the factory. Perform this
procedure only if a remote computer is
sending setpoints from your
"advanced" control.
Default value for ROut Timeout is 20
seconds.
ROut Timeout (SHED_ROUT [27]) determine how
long function blocks in the DVC6000f should wait
before giving up on computer writes to ROut
parameters. When the timeout is exceeded, the block
sheds to the next mode as defined by the block shed
options. If ROut Timeout is set to 0, the block will not
shed from ROut. Enter a positive value in the ROut
Timeout field. Time duration is in 1/32 milliseconds
(640000 20 secs).
=
Options
(RB > Setup > Options)
D Feature Selection
Note
Typically this parameter does not need
to be changed. The unit will be
operational using the default values
assigned by the factory.
Fault State, Soft Write Lock, and
Output Readback are set by default.
Feature Selection (FEATURE_SEL [18]) indicates
which Resource Block Options features have been
selected and is used to select the desired features.
d
Reports—Selecting reports enables alert and
event reporting. Reporting of specific alerts may be
suppressed. See Alerts on page 5-29.
March 2006
Resource Block
d
Fault State—Selecting fault state enables the
ability to manually set and clear the fault state. See
parameter descriptions for Set Fault State
(SET_FSTATE [29]) and Clear Fault State
(CLR_FSTATE [30]) in table 5-5.
d
Soft Write Lock—When selected, permits using
Write Lock (WRITE_LOCK [34]) to prevent any
external change to parameter values. Block
connections and calculation results will proceed
normally, but the configuration is locked. Also see
Write Lock, on page 5-4.
d
Output Readback—Output Readback is always
enabled and is always from the actual valve
position.
d
Renunciation Supported— When selected, the
instrument will support Renunciation of alarms.
d
PW Alarms set PV Status— When selected,
R
PlantWeb alarms will set the PV status according
to table 5-1.
d
DO Control— When selected, the transducer
block accepts setpoint changes from the DO block.
When not selected the transducer block accepts
setpoint changes from the AO block. The resource
block must be Out of Service to change this
selection.
When DO Control is set, the AO block remains in
IMAN and the DO block is fully functional. When
not selected, the DO block remains in IMAN and
the AO block is fully functional.

Alarm Handling

(RB > Setup > Alarm Handling)
D Alert Key
Alert Key (ALERT_KEY [4]) is a number that permits
grouping alerts. This number may be used to indicate
to the operator the source of the alert, such as the
instrument, plant unit, etc. Enter a value between 1
and 255.
D Confirm Time
Confirm Time (CONFIRM_TIME [33]) determines the
time, in 1/32 of a millisecond, the instrument waits for
confirmation of receipt of a report before trying again.
If Confirm Time is 0, the instrument does not retry to
send the report. Enter 0 or a value between 320000
(10 secs) and 640000 (20 secs).
5
5-5