Teledyne OLCT 10 N User Manual page 36

OLCT 10 N
DIGITAL GAS DETECTOR
USER MANUAL
7.6 Line length (use with MX 256)
The following table summarizes the maximum line lengths to be used according to the cross-
section and number of sensors connected to a MX 256 controller.
TOX and O
2
Distance in meters
Number of OLCT 10N detectors used to detect toxic
gases or oxygen (except CO2 versions)
10
20
25
32
CO
2
Distance in meters
Number of OLCT 10N detectors used to detect CO
1
2
5
Above 12
Catalytic
Distance in meters
Number of OLCT 10N detectors equipped with a
catalytic sensor (LEL versions)
1
2
Above 5
30
Line cross-section
0.75 mm²
(AWG 18) (AWG 20)
1000
1000
1000
1000
Line cross-section
0.75 mm² 0.5 mm²
2
(AWG 18) (AWG 20)
1000
1000
1000
Maximum load for an MX 256 line
(>200mA).
An external supply must be used
Line cross-section
0.75 mm² 0.5 mm²
(AWG 18) (AWG 20)
1000 1000
1000 600
Maximum load for an MX 256 line
(>200mA).
An external supply must be used
0.5 mm² 0.22 mm²
(AWG 24)
1000 1000
1000 900
1000 500
800 300
0.22 mm²
(AWG 24)
1000 1000
1000 500
600 250
0.22 mm²
(AWG 24)
500
250
NPO10NGB
Revision J.1