Result Variable Safety Messages; Digital Result Variable - Emerson VILTER MicroVission Operation And Service Manual

Section 6 • Alarms and Trips

Result Variable Safety Messages

The following table lists all possible Warning, Inhibit,
Alarm and Trip Messages generated by MicroVission
while monitoring Result Variable safety parameters. The
names of safeties depend on the Previous block name of
Figure 6-6. Digital Result Variable Safety (Auxiliary I/O Screen)
Warnings
Not Running (Idle)

Digital Result Variable:

Below messages will be displayed when Digital Variable satisfy safety conditions.
Warnings are displayed in IDLE condition and it is monitored under Inhibit Checkbox (Refer Figure 6-6)
When "None" is selected in Trips/Alarm then No Alarm and Trip for Digital Variable is monitored, Similarly When
"None" is selected in Inhibit then No Warning and Inhibit for Digital Variable is monitored.
Digital Result Variable
Warning
Inhibit Checked, "Start if
ON" and Digital Variable
is HIGH
Inhibit Checked, "Start if
OFF" and Digital Variable
is LOW
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
Inhibits
Pre-Start
Digital Result Variable
Inhibit
Inhibit Checked and
"Start if ON" and Digital
Variable is HIGH
Inhibit Checked and
"Start if OFF" and Digital
Variable is LOW
the variable assigned in Flow Chart in Auxiliary Screen
("Digital Result Variable" in Figure 6-6 and "Analog
Result Variable" in Figure 6-7).
Alarms
Running
Digital Result Variable
Alarm
Trip/Alarm Checked and
"Alarm if ON" and Digital
Variable is HIGH
Trip/Alarm Checked and
"Alarm if OFF" and Digital
Variable is LOW
Trips
Running
Digital Result Variable Trip
Trip/Alarm Checked and "Trip
if ON" and Digital Variable is
HIGH
Trip/Alarm Checked and "Trip
if OFF" and Digital Variable is
LOW
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