Gill Instruments Ltd
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MaxiMet
Page 2
Issue 3
Doc. No. 1957-PS-021
May 2018
Contents
1.
FOREWORD ............................................................................................................... 6
2.
INTRODUCTION.......................................................................................................... 6
2.1.
MaxiMet Part Numbers and Parameters ........................................................... 6
2.1.1
MaxiMet Order Part Numbers (2669 V2.XX.XX Firmware) ....................... 6
2.1.2
Summary of MaxiMet Sensors and Derived Parameters........................... 7
2.1.3
Wind Speed and Direction Sensor (GMX200, GMX240, GMX500, GMX501,
GMX531, GMX541, GMX550, GMX551 and GMX600) ................................................. 8
2.1.4
Solar Radiation Shield (GMX300, GMX301, GMX400, GMX500, GMX501,
GMX531, GMX541, GMX550, GMX551 and GMX600) ................................................. 8
2.1.5
Barometric Pressure (GMX300, GMX301, GMX400, GMX500, GMX501,
GMX531, GMX541, GMX550, GMX551 and GMX600) ................................................. 9
2.1.6
Temperature, Relative Humidity and Dewpoint (GMX300, GMX301,
GMX400, GMX500, GMX501, GMX531, GMX541, GMX550, GMX551 and GMX600) .. 9
2.1.7
Rain (GMX100, GMX240, GMX400, GMX541, GMX600 (and Gill Spare Part
1957-PK-073)) ............................................................................................................. 9
2.1.8
Rain (GMX531)........................................................................................ 9
2.1.9
Rain (GMX550 and GMX551) .................................................................. 9
2.1.10
Compass (GMX200, GMX240, GMX500, GMX501, GMX531, GMX541,
GMX550, GMX551 and GMX600) .............................................................................. 10
2.1.11
Compass Declination ............................................................................. 10
2.1.12
Solar (GMX101, GMX301, GMX501, GMX531, GMX541 and GMX551) . 10
2.1.13
GPS Option (GMX200, GMX240, GMX500, GMX531, GMX541, GMX550,
GMX551 and GMX600) .............................................................................................. 10
2.1.14
Inclinometer (All MaxiMet Models, diagram illustrates a GMX550) .......... 11
3.
TECHNICAL SPECIFICATION .................................................................................. 12
4.
PRE-INSTALLATION ................................................................................................ 17
4.1.
Equipment supplied ........................................................................................ 17
4.1.2
Optional Extras/Spares: ......................................................................... 17
4.2.
Connector and Cable Assembly ...................................................................... 17
4.3.
Cabling ........................................................................................................... 20
4.3.1
Cable Type ............................................................................................ 20
4.3.2
Cable Length ......................................................................................... 20
4.4.
Connections .................................................................................................... 21
4.4.1
View of the MaxiMet Connector looking down at the Cable Side............. 21
4.4.2
9-Way Connector and Cable Connections.............................................. 21
4.5.
Power supplies ............................................................................................... 22
4.5.1
MaxiMet Units ........................................................................................ 22
4.6.
Connecting to a PC using RS232 (default setting) .......................................... 22
4.7.
Connecting to a PC using RS422 (Not a default setting) ................................. 23
4.8.
Using RS485 (not a default setting) ................................................................ 23
4.9.
Using SDI-12 (2 wire network, not a default setting)........................................ 24