SMS SenTRI2, Installation Instructions Manual, Page: 14 / 44

14
Loop Card
Typical SENTRI4 System
The loop allows wiring of addressable devices like
fire sensors, alarm sounders, call
points, interface units, mimic and repeat panels , a combined maximum of up to
200 devices are allowed per loop circuit, a further limit on a loop circuit is determined
by device loading.
SenTRI 4 Fire System
Designed to EN54 Pt 2 & 4
Healthy
15:45 Fault
System Fault
Test
Fire
Power
Power Fault
Disablement
Sounder
1 2 3 4 5 6 7 8 9 10 1
1 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 30 32
Zones
Previous
Next
Delay
Verify
EN54 P
arts 2 & 4
f o u r
0XXXX
SenTRI 4
Control Panel
Repeat Panel
Conventional 2-wire
system equipment
Conventional 2-wire
system equipment
230V ac
Magnetic door
release
230V ac
230V ac
Single control as per
4-channel interface
Spur
Optional Loop circuit 2 to 4
Input output signals
may be used to control
and monitor:
Plant equipment
Building management system
Conventional
Sounders
(Two master
alarm circuits)
400mA per circuit
Two auxiliary relays
contacts rated 1A @ 24Vdc
Clean contacts rated
1A @ 24Vdc
T
Tx Rx
System Devices (Outstations)
- Manual Call Point
- End of Line Unit
- Magnetic door release
Conventional System Products
- Alarms
- Conventional Fire Detectors
- Manual Call Point
Loop circuit 1
T
S
- Beam sensor
Transmitter and receiver
Tx
Rx
S
- Sounder & Strobe Unit
Repeat
indicator
panel
RS232
Port 0
Port 1 / 2
230V ac
Zonal Mimic Panel
Secure Network loop circuit
RS485
- T Breaker
T
S
- Sensor, Sounder & Strobe
S
S
EN54 Parts 2 & 4: 1997
- 4-Input/Output
Mains powered interface unit
- 1-Input
loop powered interface
1
i
- 1- Confirmation
input loop powered interface
1
o/i
- Mains output
loop powered interface
1
o
- 4-Input/Output
loop powered interface
4
i/o
4 i/o
MP
1
o/i
1
i
4 i/o
MP
230V ac
S
S
S
S
S