Technical Information
MetPak II User Manual
Last Change
©
Gill Instruments Ltd
20 August, 2010
Page iii
6.2
MetPak II Hub PCB Connections
The following tables summarise the connections for:
HygroClip
WindSonic anemometer
RS232/SDI/RS485 communications
Connection details are also found on the junction box lid.
Table 13
HygroClip connections (6-way connector J1)
Connector J1
Wire Colour
Signal Name
1
Black (screen)
HygroClip Screen Wire
2
Blue
RXD from HygroClip UART
3
Red
TXD to HygroClip UART
4
Yellow
Analogue 0V (Not Used)
5
Grey
Supply/Signal 0V
6
Green
ve (+3.3V DC)
Table 14
WindSonic anemometer connections (8-way connector J4)
Connector J4
Wire Colour
Signal Name
1
-
No Connection
2
-
No Connection
3
Blue
RS232 TX+ Anemometer Output to
Hub
4
White/Blue
RS233 RX+ Hub Output to
Anemometer
5
Green
Signal 0v
6
White/Orange
Supply 0v
7
-
No Connection
8
Orange
ve (4.5v to 30V dc)
Table 15
PC communications (8-way connector, J5)
Connector J5
Signal Name
1
SDI-12 TX/RX
2
Signal 0V
3
RS232 TX-
, (or RS422 TX-) HUB to user
4
RS232 RX-
, (or RS422 RX-) User to HUB
5
RS422 RX+, User to HUB
6
RS422 TX+, HUB to User
7
Supply 0v
8
ve (4.5v to 30v dc)
NOTE. J2, a 12-way expansion board connector and J3, a 5-way connector are not
used in the current version.
Summary of Contents for MetPak II
Page 36: ......
