Spectrex 20/20MU - Mini Flame Detector - Manual (Page 24)

Spectrex Inc. - SharpEye TM ML & MU Flame Detector Manual – TM 767100, Rev. A, April 2005
16
Anti Flare
Anti Flare mode is selected to prevent false alarm in locations where fast
flares may be present. The Time delay for fire alarm in this mode is from 2.5
to 15 seconds (mostly less than 10 seconds).
Table 5: Time Delay
Delay (seconds)
0
*A – anti-flare
3
5
10
15
20
30
* Default
c. Function Setup
The user can select the desired mode of operation by means of host.
Table 6: Function Setup
Name Yes No
1 Alarm Latch Alarm latching enable Alarm latching disable
(default)
2 Automatic BIT Automatic & manual BIT
(default) Manual BIT only
3 Alarm BIT Successful Manual BIT
activates the Alarm Relay for
approximately 3 seconds; the
4-20mA will provide 20mA for
3 sec Successful manual BIT
does not activate the
Alarm Relay (default)
d. Addresses Setup
Refer to TM 784050 for instructions for defining the addresses of the
detectors. The detector provides up to 247 addresses (from 1 to 247) that
can be used with RS-485 communication link.