FireFinder
™
Installation Commissioning & Operation
Page 22
5.25 Addressable Loop Termination Board 302 - 7350
The Addressable Loop Termination Board acts as the interface between the external addressable devices
and the control and monitoring functions of the
FireFinder
™
. Each board provides terminations for two
loops. One slave CPU is required per loop. The 2 Addressable loops are connected to TB1 and TB2.
☞
Note:
Apollo devices L2 is +ve (positive), L1 is -ve (negative)
Connect the XP-95 / DISCOVERY loop to the panel as shown below.
AMPAC strongly recommend that the
LoopManager
test set is used to check that the Apollo loop has been
correctly installed and commissioned before connecting it to the
FireFinder
™
.
Loop Parameters
•
126 Apollo Devices
•
250mA Current Max
•
S/C protection circuitry activates at approximately 300mA
A
B
A
B
CN 2
TB1
RV1
C N4
F 1
26V ADJ
POWER
3A
REGULATED
27VDC In / Out
T0 SLAVE CPU
302-6692 CN1
T0 SLAVE CPU
302-6692 CN1
LOOP 1 ADDRESSABLE DEVICES
LOOP 2 ADDRESSABLE
DEVICES
LOOP NORMAL
LED A monitoring
each Loop is ON
LED A & B ON
indicates a fault
on the Loop
( S/C, O/C ) and
the Loop is being
monitored in
both directions
LOOP IN FAULT
F1: 3AMP M205 27V INTO
DC TO DC CONVERTOR
A
B
B
A
C
N
1
C
N
3
-
+
-
+
TB2
R +
L1
L2
- R
L1
L2
- R
L1
L2
- R
R +
R +
Wiring Shown
Above is for a
XP95 Circuit
with one Detector
Having LED
Monitoring
L2+ L1-
L2+ L1-
L2+ L1- L2+ L1-
L1
L1
L1
L2
L2
L2
IN
O UT
IN
OUT
Figure 27: Loop Termination Board
Summary of Contents for SP Series
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