Gill Instruments Ltd
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WindObserver II Pipe Mount
Page 12
Issue 04
Doc. No. 1390-PS-0009
August 2009
Networking units
Before coupling units into a network:
Each device must be configured with a unique Unit Identifier (letter B to Z)
It must be configured to a tri-state polled mode
M3
or
M4
.
See Section 9 - Configuring
WindObserver II (Pipe Mount)
6 Pair Cable
PC with RS485 card
Signal
names
Pair
no.
Colour
Cable – twisted
pairs
Signal names
TXB (+)
RXB (+)
1
2
Green
White
T/RXB (+)
TXA (-)
RXA (-)
DIG 0V
1
2
4
Black
Black
Blue
T/RXA (-)
Sig. Gnd
Connected Internally
Screen
wire
Ground (Earth)
Supply V+
Supply V-
3
3
Red
Black
+
-
DC Power
supply 9 – 30V
See Section 6.6
Heater -
5
5
Yellow & Brown
Black & Black
+
-
Heater power
supply
See Section 6.6
Note:
Each unit in the network will require its own power supplies.
Please refer to section 8.3.
To Next Unit
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