Campbell Scientific CS135 CS135 Lidar Ceilometer - Page 21

Wiring Using Supplied Campbell Scientific Cables

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User Guide Mains Connector Pin 1 2 3 4 Table 4.1 Function of the connector pins Function Live Not connected Neutral Earth Colour of supplied cable cores Brown NA Blue Green/yellow Blower/Heater Connector Pin 1 2 3 4 5 6 E Function Neutral Fan + Therm Therm (0V) Switched 230/115 AC Live Fan on Earth Colour of supplied cable cores Black (1) Black (2) Black (3) Black (4) Black (5) Black (6) Green/yellow Communications Connector Pin Colour of 9-PIN `D' supplied Connector cable (fig 4.4) cores 1 Red 8 2 Yellow 7 3 Green 5 4 Black 5 White 2 6 Blue 3 E Screen RS232 CTS* RTS* Gnd Tx Rx RS485 Half duplex Y Gnd Z RS485 Full duplex/ RS422 Y/Tx non-inverting B/Rx non-inverting Gnd Z/Tx inverting A/Rx non-inverting *If hardware handshaking is not used pins 7 and 8 should be connected together. 4.5.2 Wiring Using Supplied Campbell Scientific Cables Two cables are supplied, each 10m long. One is for the mains power supply, the other is for communications. WARNING If the power cable is incorrectly wired then irrevocable damage can be done to the unit and there is risk of serious injury or death. 13

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User Guide
13
Table 4.1
Function of the connector pins
Mains Connector
Pin
Function
Colour of supplied cable
cores
1
Live
Brown
2
Not connected
NA
3
Neutral
Blue
4
Earth
Green/yellow
Blower/Heater Connector
Pin
Function
Colour of supplied cable
cores
1
Neutral
Black (1)
2
Fan +
Black (2)
3
Therm
Black (3)
4
Therm (0V)
Black (4)
5
Switched 230/115 AC
Live
Black (5)
6
Fan on
Black (6)
E
Earth
Green/yellow
Communications Connector
Pin
Colour of
supplied
cable
cores
9-PIN `D’
Connector
(fig 4.4)
RS232
RS485
Half
duplex
RS485 Full duplex/
RS422
1
Red
8
CTS*
Y
Y/T
x
non-inverting
2
Yellow
7
RTS*
B/R
x
non-inverting
3
Green
5
Gnd
4
Black
Gnd
Gnd
5
White
2
Tx
Z
Z/T
x
inverting
6
Blue
3
Rx
A/R
x
non-inverting
E
Screen
*If hardware handshaking is not used pins 7 and 8 should be connected together.
4.5.2
Wiring Using Supplied Campbell Scientific Cables
Two cables are supplied, each 10m long. One is for the mains power supply, the
other is for communications.
If the power cable is incorrectly wired then irrevocable
damage can be done to the unit and there is risk of
serious injury or death.
WARNING