Protec 4400 - Rvav Description

93-310-10 Issue 4 Rev 5 Page 58 of 88 Copyright Protec Fire Detection PLC
6400 OPERATING MANUAL
9.5.2 RVAV DESCRIPTION
• Availability : RVAV is available on loop devices that have a ‘Fire LED’.
• Format : When the device receives the signal to RVAV, it outputs its address in the following format :-
The address is output as hundreds, tens and units with a one and a half second delay between.
If the address is less than 100 then the leading zero for the hundreds is not output. The address
is determined by counting the LED flashes. A zero is denoted by a long flash of approximately
one second. There is a half second delay (approx) between LED flashes.
Address 41
• Address 05
• Address 102
1 second
ON
OFF
0.5 seconds
ON
OFF
0
1 + 1 + 1 + 1 + 1 = 05
1
0
1 + 1
= 102
ON
OFF
0.5 seconds
1 + 1 + 1 + 1 1 = 41
1.5 seconds
Note : The delay following a zero is
reduced to one second
Fire LED State
Fire LED State
1 second
See Note below
1 second1.5 seconds
Fire LED State