Det-Tronics U9500 Infiniti Gas Transmitter - Manual (Page 13)

95-8444 11 10.1
Table 2—Maximum Sensor Separation Distance
NOTES
• SHIELDED CABLE REQUIRED.
• GROUND CABLE SHIELD AT TRANSMITTER END ONLY.
2309A
CONNECT KEYED SENSOR
PLUG TO PIN CONNECTOR
BLK
WHT
RED
CONNECT CABLE LEADWIRES
FROM SENSOR TERMINATION BOX
SENSOR TERMINATION BOX
INFINITI TRANSMITTER
PIGTAIL CONNECTOR
(PROVIDED IN SENSOR
TERMINATION BOX)
ATTACH CABLE SHIELD
TO GND LUG
CONNECT TO TRANSMITTER
BLK WHT RED
GND
Figure 14—Sensor Separation with Combustible Gas Sensor and Infiniti Transmitter
24 VDC +
POWER SUPPLY
4 TO 20 MILLIAMPERES
INFINITI TRANSMITTER JUNCTION BOX
DET-TRONICS JUNCTION BOX
INTERNAL GROUND SCREW
INTERNAL
GROUND SCREW
+
+
–
–
PO
WER OUT
NO
COM
NC
NO
COM
NC
NO
COM
A
UX RELA
Y
LO
W RELA
Y
HIGH RELA
Y
NC
NO
COM
NC
S
–
+
S
–
–
+
+
RESET
CA
L
FA
UL
T RELA
Y
PO
WER
PW
IN
B1907
SPARE
CAL
4 – 20
RET
+ 24
CAL
4 – 20
RET
+ 24
POINTWATCH
DETECTOR
GREEN
YELLOW
WHITE
BLACK
RED
Figure 15—Sensor Separation with PointWatch and Infiniti Transmitter
Maximum Transmitter to Sensor Distance
Combustible Toxic and Oxygen Point Infrared
Wire Size
(mm 2 )
Wire Size
(AWG)
Feet Meters Feet Meters Feet Meters
1.0 18 100 30 12,000 3,600 700 210
1.5 16 150 45 20,000 6,100 1100 335
2.5 14 250 75 32,000 9,700 1800 545
4.0 12 400 120 50,000 15,000 2800 850