JB-QB-5Ei Users’ Manual
49
JB-QB-5Ei
Fire Alarm Control Panel
Annex B VDR communication protocol
Communication mode: RS485
Terminal marks: VDR+
、
VDR-
Communication parameters
：
9600
，
n
，
8
，
1
Transfer code
：
ASCII
Transfer direction: from control panel to VDR, single direction, send 2 times for alarm messages.
Signal format
：
head
separator
Alarm
type
separator
Loop
number
Device
number
terminator
$FACTL
，
2 bytes
，
1 byte
3 bytes
<CR><LF>
description
：
1
）
alarm type 2 bytes
，
definition as following
Alarm type
definition
01
fire
02
supervisory
03
association
04
fault
06
supervisory reset
07
association reset
08
fault reset
09
activate
10
activate reset
11
feedback
12
feedback reset
13
Disabled
14
cancel disabled condition
98
reset
99
power on
00
communication signal
2
）
when the alarm type is 00, 98 or 99, the device number, loop number and the separator “,”
before loop will be eliminated
3
）
system send out communication signal one time within 2 minutes
For example
：
1
If NO.1 device in loop1 send out fire
alarm
$FACTL
，
01
，
1001<CR><LF>
2
If NO.250 device in loop1 send out fault
alarm
$FACTL
，
04
，
1250<CR><LF>
3
If NO.250 device in loop1 send out fault
reset
$FACTL
，
08
，
1250<CR><LF>
4
Communication signal
$FACTL
，
00<CR><LF>
