
GASMAX CX Operation & Maintenance Manual, Revision 1.0
Page 17
LOCAL
SMART
BRIDGE
SENSOR
Local
bridge
‐
type
sensors,
including
catalytic
bead,
SmartIR
infrared
sensors
for
combustibles
and
CO2
and
photoionization
detectors
(PID)
for
volatile
organic
compounds
are
factory
installed
and
must
be
connected
to
the
CH
1
Smart
Sensor
connector
as
shown
below.
Figure 4-8: Local Smart Bridge Sensor Connection
NOTE
:
LOCAL
SMART
BRIDGE
SENSORS
AUTOMATICALLY
ADJUST
SENSOR
EXCITATION
VOLTAGE.
CO
M
42
0
OU
T
2
42
0
OU
T
1
PW
R
R/
P
W
R
C/4
20
IN
1
A/
C
O
M
42
0
IN
2
CH
1
CH
2
E
‐
NE
T
LOCAL
SENSOR
TO DISPLAY
LOCAL
SMART
BRIDGE
‐
TYPE
SENSORS
MUST
BE
CONNECTED
TO
CH1