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Gill Instruments Ltd
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Connecting to a PCI Unit with RS422 input
WindObserver II 9 Pair Cable
Signal names
Cable Pair
TXB(+)
Pair 1
TXA(–)
Pair 1
RXB(+)
Pair 2
RXA(-)
Pair 2
Digital 0v
Pair 4
POWER V+
Pair 3
POWER 0V
Pair 3
Indoor Power and Communications Interface (Part 1189-PK-021)
Environmental
The desktop PCI is intended for use in a protected environment and provides interfacing to
a single anemometer. The PCI is not intended for outdoor use.
PCI Electrical Power Requirements
1)
100Vac – 120Vac, 10VA for the 115V switch position
2)
200 Vac – 250Vac, 10VA for the 230V switch position
3)
9-30Vdc, 120mA max (anemometer)
8-15Vdc, 50mA max (interface)
3 Fuses protect the unit:
1.
Externally accessible
2.
Internally accessible
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WindObserver II
Doc. No. 1390-PS-0004
Colour
Green
Black
White
Black
Blue
Red
Black
315mA(T) for 115/230v operation
500mA (T) AUX
500mA (T) ANEM
Page 16
PCI 15 Way D Type
Connector
Signal Names
Pin Nos.
2
RXB(+)
9
RXA(–)
3
TXB(+)
10
TXA(-)
Signal Ground
4
5
POWER V+
11
POWER 0V
Issue 18
January 2009
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