Installing the Detector
FV-40 Series Flame Detector
087-0056 REV F
38
The Alarm delay option affects the output relays and the 0-20mA. The LEDs
and outputs indicate warning levels during the delay time only if the fire
condition exists.
2.8.3 Address
Set-up
The detector provides up to 247 addresses that can be changed with the
RS485 communication link or the HART protocol.
2.8.4 Function
Set-up
You can select the desired functions as detailed in Table 20.
Table 20: Functions
Function
Setting
Alarm Latch
Yes: Enable Alarm latching.
No: Disable Alarm latching (default).
Auxiliary Relay**
Yes: Activate Auxiliary Relay at Warning level.
No: Activate Auxiliary Relay at Alarm level
(default).
Automatic BIT
Yes: Perform Automatic & Manual Bit (default).
No: Perform Manual Bit only.
Alarm BIT
Yes: Successful Manual Bit activates the Alarm
Relay for approximately 3 seconds (default).
No: Successful Manual Bit does not activate the
Alarm Relay.
Auxiliary BIT**
Yes: Successful Manual Bit activates the
Auxiliary Relay for approximately 3 seconds
(default).
No: Successful Manual Bit does not activate the
Auxiliary Relay.
EOL**
Yes: Auxiliary Relay is used as End of Line.
No: Auxiliary Relay operates in accordance with
Function 2 and 5 (default).
Note
: ** Only available in FV-40 with wiring option 4 and 5
2.8.5 Heated
Optics
The heated optics can be defined as one of the following modes:
Heated Mode
OFF: Not operated
On: Continuously
AUTO: Per temperature change
In AUTO mode, the default HEAT ON setting is 41°F (5°C). Heating stops
when the temperature is 27°F (15°C) above the start temperature.