Heater on
temperature
Temperature at which the demister is activated, if the heat mode
is set to
Auto
.
Default: 5 °C
Enable alarm latch
When selected, the alarm remains on even when the signal
abates.
Default: Not enabled
3.9.2
BIT settings
These BIT settings may be configured.
Enable Automatic BIT
When selected, the BIT runs automatically according to
the settings.
Default: Enabled
Fault count
Number of sequential BIT faults before BIT fault indication.
Default: 3
Interval (in minutes)
Duration between BIT cycles (maximum 60).
Default: 15
Activate alarm on
successful manual BIT
Activates an alarm when a manual BIT is successfully
completed.
Default: Not enabled
Activate accessory relay on
successful manual BIT
Activates the accessory relay when a manual BIT is
successfully completed.
Default: Not enabled
Post manual BIT indication
duration (in seconds)
Enables the user to configure the alarm duration
(maximum 60) after successful manual BIT.
Default: 3
3.9.3
Accessory relay options
These options may be changed as described.
Activate accessory
relay on warning
When the detector’s status is warning, the accessory relay is
activated.
Default: Not enabled
Accessory relay as EOL
When selected, the accessory relay is activated.
Default: Not enabled
Accessory relay as FOV
When selected, the accessory relay is activated where FOV
fault is detected.
Default: Not enabled
Field of view (FOV)
integrity
When selected, upon change of detector orientation, the
detector will indicate fault.
Default: Not enabled
Reference Manual
Operation
00809-1500-4975
June 2021
Rosemount 975
23
