EQUIPMENT: T1200-C
PUBLICATION: MARINEC-P-A
ISSUE No. & DATE: 3 02/14
© 2014 Thorn Security Ltd PAGE 29 of 67
Registered Company: Thorn Security Ltd. Registered Office: Dunhams Lane Letchworth Garden City Hertfordshire SG6 1BE
10.2.6 ZONAL DISABLEMENT Sentence Structure
This sentence is similar to that for fire and takes the following form:
$ttfff,a,hhmmss.ss,bb,dd,eee,fff,g,h,c—c*hh<CR><LF>
$ – start of sentence
tt – Talker Identifier = FR (Fire detection system)
fff – Sentence Formatter = FIR (Fire Detection)
, – Field Separator
a – Message Type = D (Disabled)
hhmmss.ss – Time of event = VDROB has no clock so set to 000000
bb – System indicator of fire detection = FD (Fire Detector)
dd – Division indicator of fire sensor allocation (1) = Zone Number – Leave Blank
eee – Division indicator of fire sensor allocation (2) = Loop Number – Leave Blank
fff – Fire Detector Number = Leave Blank
g – Condition = A (Activation) or V (Non-activation)
h – Alarm’s acknowledge state = Leave Blank
c—c – Alarm’s description text = Alarm description e.g. Zone 1 Disabled
* – Indicates next two characters are the checksum
hh – Checksum (XOR of all bytes including commas but excluding $ and *)
<CR> – Carriage Return character = HEX 0D
<LF> – Line Feed character = HEX 0A
Disablement of zone 3 on panel 1 would generate the following sentence:
$FRFIR,D,000000,FD,,,,A,,PANEL 01 ZONE 03 DISABLED*38<CR><LF>
The HEX data is:
24 46 52 46 49 52 2C 44 2C 30 30 30 30 30 30 2C 46 44 2C 2C 2C 2C 41 2C 2C 50
41 4E 45 4C 20 30 31 20 5A 4F 4E 45 20 30 33 20 44 49 53 41 42 4C 45 44 2A 33
38 0D 0A
Enablement of zone 3 on panel 1 would generate the following sentence:
$FRFIR,D,000000,FD,,,,V,,PANEL 01 ZONE 03 ENABLED*7A<CR><LF>
The HEX data is:
24 46 52 46 49 52 2C 44 2C 30 30 30 30 30 30 2C 46 44 2C 2C 2C 2C 56 2C 2C 50
41 4E 45 4C 20 30 31 20 5A 4F 4E 45 20 30 33 20 45 4E 41 42 4C 45 44 2A 37 41
0D 0A
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