Tiras PRIME 8L, Installation Manua, Page: 8 / 44

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Figure 5 – Rear side of the main module:
1. Main PCB; 2. Connector for M-OUT4R; 3. Indication board connector;
4. Communicator connector; 5. START button; 6. PS connector;
7. M-Z(f) connector.
3.1 Connection terminals
Table 3.1 - Description of terminals for connection (fig.4 pos.3)
Terminal Designation
GND Logic ground
Z1-Z8 Connection of zones (inputs)
S1, S2 Sounders control outputs
US1, US2 Sounders power supply inputs
FT Output to fault warning routing equipment
AL Output to fire alarm routing equipment
REL1, REL2 Programmable relay outputs
NC Normally closed relay contact
NO Normally open relay contact
+24V Power outputs 24V
A1, B1 Terminals for connection of system bus (RS-485)
Wiring scheme is given in detail in
Appendix B