483.0
External Addressable Relay Card
Alarm Sounder
Jog Wheel
133.4
240.0
700
ADVANCED GAS DETECTION SYSTEM
RS485 to HUB
RS485 to HOST
or HMI PANEL
Connection to Addressable Gas
Detectors and Addressable Relays
Power and Modbus Connection
Detector Connector:
Pin 1 24V DC
Pin 2 Comm B
Pin 3 Comm A
Pin 4 0V DC
Pin 1 Comm B Grey
Pin 3 24 V DC Brown
Power Connector: Cable
Pin 2 Comm A Green/Yellow
Pin 4 0V DC Black
19" Rack Mount systems
4208
4209
4210
421
1
4212
4213
4214
4215
4216
Optional Event Panel Printer
Optional Keyswitch
Tocsin 700R 19" rack versions of the control panel are 24V DC powered and only interface as addressable
systems. The systems are shipped with an addressable relay card mounted to the rear which can be remote
mounted if required. Note that detectors are connected via the relay card connector shown below.
Addressable Gas Detectors and Addressable interface modules connect here
in the same manner described previously.
ZERO
F
AUL
T
CAL
360
CHASS
24V DC
B
A
GND
mA
P
Y
W
Common
Active
Compensator
ZERO
F
AUL
T
CAL
360
CHASS
24V DC
B
A
GND
mA
P
Y
W
mA+
360
CONC
0V
mA-
Common
Active
Compensator
mA+
360
CONC
0V
mA-
4101
4102
4102
Tocsin 106 Pellistor Flamable
Gas Detectors Shown
Page 16 of 52
