Download COX SO-300 Specifications

a) Connection of a 3-wire sensor to an INDUSTRIAL SCIENTIFIC central controller
1 wire (+) continuous power supply → No. 3
1 wire (-) continuous power supply (0 volt mass) → No. 2
1 output signal wire → No. 1
-
Detector
Control Unit
+ 24 Vcc
3
2
1
3
2
1
GND
Signal
b) Connection of a 2-wire sensor to an INDUSTRIAL SCIENTIFIC central controller
-
1 wire (+) → No. 3
1 signal wire → No. 1

Formant la boucle de courant 4/20 mA sur 2 fils
Detector
Control Unit
+ 24 Vcc
3
2
1
Signal
3
2
1
c) Connection of a 3-wire CTX300 sensor to a non-INDUSTRIAL SCIENTIFIC controller and
to an internal power supply.
Control
Unit«
other »
+ 24 Vcc
+
Detector
Power
(1)
GND
R
Signal
(R) Maximum resistance = 200 Ω.
(1) 15 = VCC = 32
18 = VCC = 30 for CO2
Max I: 130 mA
8
3
2
1