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Register
Number |
Register
Name |
Description |
Units/Notes |
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40001 |
GNSS Quality Status |
0: Position fix unavailable 1: Valid position fix, SPS mode 2: Valid position fix, differential GNSS mode 4: Fixed Real Time Kinematic 5: Float Real Time Kinematic 6: Estimated (dead reckoning) Mode |
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40002 |
Satellites in Use |
The number of simultaneous satellite connections
currently being used by the receiver |
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40003 |
Navigation Mode |
1: No position fix 2: 2D mode (only horizontal coordinates) 3: 3D mode (horizontal coordinates + altitude) |
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40004 |
Year |
Current year; UTC |
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40005 |
Month |
Current month of the year; UTC |
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40006 |
Day |
Current day of the month; UTC |
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40007 |
Hour |
Current hour of the day; UTC |
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40008 |
Minute |
Current minute of the hour; UTC |
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40009 |
Second |
Current second of the minute; UTC |
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40010 |
Decimal Second |
Current thousandth fraction of the second; UTC. |
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40011 |
Latitude Degrees |
Degrees of Latitude |
x 1 |
|
40012 |
Latitude Degrees Decimals |
Degrees Decimals of Latitude (Format 1 – see below) |
x 0.0001 (Four decimal places of accuracy) |
|
40013 |
Latitude Minutes |
Minutes of Latitude (Format 2 – see below) |
x 1 |
|
40014 |
Latitude Seconds |
Seconds of Latitude (Format 2 – see below) |
x 0.001 (Three decimal places of accuracy) |
|
40015 |
Latitude Thousandth Minutes |
Ten thousandths of a minute of latitude (Format 3 – see
below) |
x 0.0001 (Four decimal places of accuracy) |
|
40016 |
Latitude N/S |
Latitude hemisphere indicator 1: Northern hemisphere 0: Southern hemisphere |
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|
40017 |
Longitude Degrees |
Degrees of Longitude |
x 1 |
|
40018 |
Longitude Degrees Decimals |
Degrees Decimals of Longitude (Format 1 – see below) |
x 0.0001 |
|
40019 |
Longitude Minutes |
Minutes of Longitude (Format 2 – see below) |
x 1 |
|
40020 |
Longitude Seconds |
Seconds of Longitude (Format 2 – see below) |
x 0.001 (Three decimal places of accuracy) |
|
40021 |
Longitude Thousandth Minutes |
Ten thousandths of a minute of Longitude (Format 3 –
see below) |
x 0.0001 (Four decimal places of accuracy) |
|
40022 |
Longitude E/W |
Longitude hemisphere indicator 1: Eastern hemisphere 0: Western hemisphere |
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|
40023 |
Altitude (Above Sea Level) |
Altitude above sea level in tenths of metres (145 =
14.5 m ASL) |
x 0.1 (One decimal places of accuracy) |
|
40024 |
Altitude unit |
0: meters (default – raw value) 1: feet (Onboard calculated) |
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|
40025 |
Velocity |
Velocity over ground in tenths of knots (152 = 0.152
knots) |
x 0.001 (Three decimal places of accuracy) |
|
40026 |
Velocity unit |
0: knots (Raw value) 1: kilometres per hour (Onboard calculated) 2: miles per hour (Onboard calculated) |
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|
40027 |
Course |
Direction of travel in tenths of degrees from North
(2409 = 24.09°) |
x 0.01 (Two decimal places of accuracy) |
|
40028 |
Precision PDOP |
Positional Dilution of Precision. Gives a measure of
the accuracy/confidence of the GPS lock |
x 0.01 (Two decimal places of accuracy) |
|
40029 |
Precision HDOP |
Horizontal Dilution of Precision |
x 0.01 (Two decimal places of accuracy) |
|
40030 |
Precision VDOP |
Vertical Dilution of Precision |
x 0.01 (Two decimal places of accuracy) |
|
40031 |
USB Mode |
0: GPS Passthrough Mode 1: Modbus Mode (default and constant mode) |
|
|
40032 |
Reset GPS Settings |
8: Reset
and runs on default GPS settings 9: Do not reset and runs on modified configurations – Require
battery backup |
8 or 9 |
|
40033 |
Modbus Address |
Modbus RTU slave address. 1 to 247 (default 1) |
|
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40034 |
Modbus Baud |
Modbus RTU baud rate 1: 2400 baud 2: 4800 baud 3: 9600 baud (default) 4: 19200 baud 5: 38400 baud 6: 57600 baud 7: 115200 baud |
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40035 |
Modbus Parity |
1: None (default) 2: Even 3: Odd |
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40036 |
Modbus Stop bits |
1: 1 Stop bit 2: 2 Stop bits |
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|
40037 |
Modbus Set Parameters |
Write to 1 to commit Modbus comms settings to the
slave. Upon successful write, register will return to 2. |
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40038 |
Reserved |
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