Quectel L70 User Manual

GNSS Module Series
GNSS SDK Commands Manual
GNSS_SDK_Commands_Manual Confidential / Released 14 / 28
Parameter
Example
$PQODO,W,1*23 //Start odometer reading, and initial distance is 0m.
$PQODO,W,OK*16 //Set OK
$PQODO,W,1,1000000*3E //Start odometer reading, and initial distance is 1,000,000m.
$PQODO,W,OK*16 //Set OK
$PQODO,R*3B //Read mode
$PQODO,R,1*26 //Read OK, odometer reading has already been started
$PQODO,Q*38 //Query the distance value
$PQODO,Q,123.45*0B //Current distance value is returned
1. The command will be effective immediately after setting.
2. After module is restarted, the PQODO write command must be executed again to re-start odometer
reading.
3. The command is not supported in backup mode.
2.9. PQPZ90 Enable/Disable Switching from WGS84 to PZ-90.11
<mode> Start or stop odometer reading
0 Stop odometer reading and remember the distance value
1 Start odometer reading and initialize the distance according to the <initial
distance>
<initial distance> Set the initial distance, range: 0-1e09, unit: meter
When <mode> is 1, this parameter can be omitted, and its default value is 0
When <mode> is 0, this parameter must be omitted
<distance> Current distance. Unit: meter
PQPZ90 Enable/Disable Switching from WGS84 to PZ-90.11
Write Command
$PQPZ90,W,<mode>,<save>*ChkSum
<CR><LF>
Response
$PQPZ90,W,OK*ChkSum<CR><LF>
If there is any error, response:
$PQPZ90,W,ERROR*ChkSum<CR><LF>
Read Command
$PQPZ90,R*ChkSum<CR><LF>
Response
$PQPZ90,R,<mode>*ChkSum<CR><LF>
URC Message
$GNDTM,P90,x,xx.xxxx,x,xx.xxxx,x,xxx,W84*hh<CR><LF
>
NOTES
Quectel
Confidential

Quectel L70 Specifications

General

Brand	Quectel
Model	L70
Category	Control Unit
Language	English

Summary

About the Document

Document History

Details the revision history and updates of the GNSS SDK Commands Manual.

Introduction to GNSS SDK Commands

Supported SDK Commands Overview

Provides a summary table of SDK commands supported across different Quectel GNSS modules.

Quectel NMEA Packet Protocol and Commands

NMEA Packet Format Description

Defines the structure and components of Quectel's NMEA packet protocol for module communication.

PQBAUD Baud Rate Configuration

Command to change the NMEA port's default baud rate for module communication.

PQECEF ECEFPOSVEL Output Control

Enables or disables the output of ECEFPOSVEL sentence, providing ECEF coordinates and velocity.

PQODO Odometer Reading Control

Command to start, stop, and query odometer reading, including initial distance settings.

PQGEO Geo-fence Configuration

Configures parameters for geo-fence functionality, including shape, points, and reporting modes.

Appendix References and Definitions

Terms and Abbreviations

Provides definitions for common terms and abbreviations used in the GNSS SDK Commands Manual.

Datum Sentence Definition

Details the fields and meanings of the Datum sentence ($GNDTM) used for coordinate system information.