Gill WindObserver 65 - Page 46

46
gillinstruments.com
Issue: 8 (Applies to firmware 2387 6.09 onwards)
Document number: 1390-PS-0039
Ultrasonic Anemometer
Connecting to a PC with a RS422 or RS485 input
The PC requires either an internal RS422 interface card, or an external RS422/485 to RS232 or USB converter, which will
plug into the PC or host equipment.
WindObserver 65
Converter, PC, or
Logger
Signal
Names
19 Way
Connector
Cable Gland
RS422/RS485
Pin No.
Pair No
Colour
Signal Names
TXB (+)
P
1
Green
RXB (+)
TXA (-) C 1 Black RXA (-)
RXB (+)
U
2
White
TXB (+)
RXA (-)
V
2
Black
TXA (-)
Digital 0v
M
4
Blue
Signal Ground
Connected Internally
Ground Earth
Sensor +
R
3
Red
+ve Sensor
Sensor -
D
3
Black
-ve PSU *
Heater +
A
5
Yellow
+ve Heater
Heater -
B
5
Black
-ve PSU
*
For Power Supply Information see Appendix A