SMS SenTRI, Data And Installation Instructions, Page: 10 / 52

SenTRI ONE System Architecture
The loop circuit allows wiring of addressable devices like fire sensors, alarm sounders, manual call points and interface units, a
combined maximum of up to 127 devices is allowed on the loop circuit.
Installation instructions
10
0XXxx
Conventional
devices 2-wire
230V ac
Magnetic door
release
230V ac
4 channel input/output
interface
Spur
Control panel
Input output signals
may be used to control
and monitor plant equipment
(Building management systems)
(Two master alarm circuits)
Fire relay change over
contacts rated 1A @ 24Vdc
Class change input
T
Tx
Rx
Addressable System Devices
- Manual Call Point
- T Breaker
T
- End of Line Unit
- Magnetic door release
Conventional Products off
interface inputs
- Alarm sounder
- Conventional Fire Detector
- Manual Call Point
Loop circuit
T
- 4 - Input/Output
Mains powered interface unit
- Beam sensor
Transmitter and receiver
Tx
Rx
- Voice enhanced Speech,
Sounder, Strobe Unit
Repeat
indicator
panel
RS232
Evacuate Input
230V ac
RS485
- Sensor, Sounder & Strobe
24V supply
Conventional
devices 2-wire
i
i/o
- 1-Input
LV loop powered interface
i
- 1- Confirmation input
LV loop powered interface
o
- Mains switching output
MV loop powered interface
o~
- 4-Input/Output
LV loop powered interface
i/o
o~
Printer Port
USB
Fault relay change over
contacts rated 1A @ 24Vdc
Printer
L
- Remote LED
o
L
LED off sensor
Laptop
Configuration tool
Conventional Sounders
i/o