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Nexus A1557 - Page 27

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Document Ref: Nex8inst.doc/Rev0 09.07.00 Page 27 of 30 Originator MC Checked by AC__
Device type Type
Code
Condition Panel response Analogue Value Status bits
(210)
Output bits Default cause
and effect
Comments
Series 90 3-way
I/O analogue unit
2 Quiescent
Input 1 operated
Input 2 operated
Input 3 operated
None
Fire
Input
Remote fault
AV = 8 to 44
AV = 55 to 127
AV = 45 to 54
AV = 0 to 7
000
1XX
01X
001
0 = relay 1
1 = relay 2
2 = relay 3
X means status
does not affect
panel status.
See note 2.
Series 90 1-way
I/O unit
2 Quiescent
Input operated
None
Fire
AV = 16
AV = 16
000
001
0 = relay
1 = not used
2 = not used
Series 90 switch
monitor unit
2 Quiescent
Input operated
None
Fire
AV = 16
AV = 16
000
100
0 = remote
indicator
1 = not used
2 = not used
XP95 I/O unit 2 Quiescent
Input operated
Opto input active
Input fault
None
Fire
Input
Remote fault
AV = 16
AV = 16
AV = 16
AV = 4
000
1X0
010
000
0 = remote
indicator
1 = not used
2 = not used
Fire overrides
input which in
turn overrides
remote fault
XP95 output unit 2 Quiescent None AV = 16 000 0 = relay
Series 90
ionisation smoke
3 Quiescent
Fire
Alert
Fault
None
Fire
Alert
Data fault
AV = 8 to 44
AV = 55 to 127
AV = 45 to 54
AV = 0 to 7
Echo
output bits
0 = remote LED
1 = self test
2 = LED
Bit 0 and bit 2
set when device
is in fire
See note 1.
XP95 ionisation
smoke
3 Quiescent
Fire
Alert
Fault
None
Fire
Alert
Data fault
AV = 8 to 44
AV = 55 to 127
AV = 45 to 54
AV = 0 to 7
Echo
output bits
0 = remote LED
1 = self test
2 = LED
Bit 0 and bit 2
set when device
is in fire
See note 1.
CEL zone
monitor
4 Quiescent
Input 1 operated
Input 2 operated
Input 3 operated
None
Fire
Alert
Remote fault
AV = 16
AV = 64
AV = 48
AV = 4
000
000
000
000
0 = relay 1
1 = relay 2
2 = relay 3
Bit 0 set on
reset or clear
faults