Instruction Manual

16 • Wiring the Beacon 410 Gas Monitor Beacon 410 Gas Monitor Operator’s Manual
Figure 8: Beacon 410 Gas Monitor External Wiring Diagram
Neutral
Not Used
DP S W
L N
AC
RS - 485
B A C
ALARM BUZZER
CH 4
RELAY-1
NO N C C
Alarm Device
Power
NO NC C RELAY-CFAIL
NO N C C NO N C C
RELAY-A
CH 3
RELAY-1
NO N C CNO N C C
CH 2
RELAY-2
CH 1
RELAY-2
NO N C C NO N C C
CH 1
RELAY-1
BG
4-20 mA OUTPUT
OXY
S
AMP
G
W
G
Ground
EXT DC 24V BATT
CH 4
RELAY-2
NO N C C
Buzzer
(Factory wired)
Alarm Dev ice
Power
24V DC
See Modbus Wiring In Chapter 9
AC Power 100/115 VAC 50 / 60 Hz
Line (Hot)
RELAY-B NO NC C
NO N C C
CH 2
RELAY-1
Strobe Terminal Strip
(Factory wired)
Optional Strobe
Red
Detector
/ Transmitter Terminal Strip
(typical 1 of 4)
R
LEL
W
Refer
to DetectorHead Manual
And
Beacon 410 Detector Head
Specification
Sheet for Specific
Detector/Transmitter Wiring
NOTE: Line and Neutral are L1 and L2 for
220 VAC W iring
Black
Controller Terminal Strip
Recording Device
500 Ohms Impedance Maximum
AC In Terminal Strip
Reset Switch
(Factory wired)
ALARM RESET
Alarm Devices, Typical AlarmWiring Shown RelayContactsRatedFor10 AmpsAt250 VAC
Common / Channel AlarmTerminal Strip
NO N C C
RELAY-D
Alarm Devices, Typical AlarmWiring Shown RelayContactsRatedFor10AmpsAt250 VAC
Channel Alarm Terminal Strip
NO N C C
CH 3
RELAY-2