38
Tocsin 650/750 Addressable Relay Card
Pin 1 Line 1
Pin 2 Line 2
Pin 1 Line 1
Pin 2 Line 2
Normally Closed
Common
Relay Terminals
Normally Open
Relay status LED,
ON when Energised
24V DC
0V DC
Power out for
use in
conjunction
with relays
First Relay on
The Card (relays
number from
this one).
Base Address set up
LED's and interface
for the relay card
In all Cases:
Relay contact ratings.
5A @ 250V AC Non-Inductive
5A @ 30V DC Non-Inductive
Spike suppression must be fitted
Note that FAULT relays are normally
energised on power up.
0V DC
24V DC
A1
A2
Example fit
protection
diodes when
switching
external DC
loads.
2-Wire Highway Connections
10 off Digital/Analoge Input Ports
Cable Screens Must Be
Connected and be Continuous
Summary of Contents for 2-Wire Systems
Page 4: ...3 SECTION 1 MOUNTING DETAILS FOR EQUIPMENT...
Page 9: ...8 SECTION 2 SITING GAS DETECTORS...
Page 16: ...15 SECTION 3 GENERAL CABLING PRINCIPLES CABLE TYPES AND CABLE SIZING...
Page 23: ...22 SECTION 4 MAKING DEVICE CONNECTIONS TO DETECTOR NODES...
Page 35: ...34 SECTION 4 Control Panel Interfaces and Connections...
Page 51: ...50 Notes...
