Gill Instruments Ltd
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MaxiMet
Page 14
Issue 3
Doc. No. 1957-PS-021
May 2018
Real Time Clock
Format Date and Time
YYYY-MM-DDThh:mm:ss.s,
e.g. 2014-12-25-T22:34:56.1
Updating
Manual setting or via GPS option
Power Loss Accuracy
±10 seconds for at least 24 hours after power removed from MaxiMet
Inclinometer
X Tilt
±89 degrees
Y Tilt
±89 degrees
Z Orientation
+1 Upright, -1 Inverted
Resolution
X-Tilt and Y-Tilt measurements have a resolution of 1 degree
Accuracy
Tilt accuracy ±3° for X-Tilt, Y-Tilt and Z-Orientation
Check Tilt Mode
X, Y and Z output only
X and Y Tilt in Check Tilt Mode
±89.9 degrees, 4 Hz Output
Outputs
Digital Outputs
Gill ASCII RS232, RS422, RS485* or SDI-12.
(RS232 point to point and RS485 2 wire networkable – Modbus
RTU/ASCII)
Baud Rates
1200 (SDI-12), 4800-57600 (ASCII RS232, RS422, RS485*)
9600-19200 (Modbus RTU/ASCII)
Protocols
ASCII, SDI-12 V1.3, NMEA 0183 or Modbus RTU/ASCII
Data Output
1 reading per second (1 Hz), 1 reading per minute, 1 reading per hour
or Polled Mode
MaxiMet Status
Status codes provided within the data message string
*2 wire point to point
Power Supply
Input Voltage (RS232, RS422,
RS485)
5V to 30V DC
Average Current at 12V DC with
Power Saving Mode disabled
(default)
GMX100 – 42mA
GMX101 – 28mA
GMX200 – 22mA
GMX240 - 64mA
GMX300 – 5mA
GMX301 – 5.5mA
GMX400 – 45mA
GMX500 – 24mA
GMX501 – 24mA
GMX531 - 25mA
GMX541 – 60mA (includes the Rain Sensor)
GMX550 – 27mA
GMX551 - 25mA
GMX600 – 64mA
For GPS-enabled units allow for an additional 10mA
