Queclink Wireless Solutions GV75W WCDMA/GSM/GPRS/GPS Locator User Manual YQD GV75W

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GV75W User Manual
GV75W User Manual
WCDMA/GSM/GPRS/GPS Tracker
TRACGV75WUM001
Version: R1.00
TRACGV75WUM001
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GV75W User Manual
Document Title
GV75W User Manual
Version
1.00
Date
2016‐09‐09
Status
Release
Document Control ID
TRACGV75WUM001
General Notes
Queclink offers this information as a service to its customers, to support application and engineering
efforts that use the products designed by Queclink. The information provided is based upon
requirements specifically provided to Queclink by the customers. Queclink has not undertaken any
independent search for additional relevant information, including any information that may be in the
customer’s possession. Furthermore, system validation of this product designed by Queclink within a
larger electronic system remains the responsibility of the customer or the customer’s system
integrator. All specifications supplied herein are subject to change.
Copyright
This document contains proprietary technical information which is the property of Queclink Wireless
Solutions Co., Ltd. The copying of this document, distribution to others, and communication of the
contents thereof, are forbidden without express authority. Offenders are liable to the payment of
damages. All rights are reserved in the event of a patent grant or registration of a utility model or
design. All specifications supplied herein are subject to change without notice at any time.
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GV75W User Manual
Contents
Contents ............................................................................................................................................ ‐ 2 ‐
Table Index ........................................................................................................................................ ‐ 3 ‐
Figure Index ....................................................................................................................................... ‐ 4 ‐
0. Revision History ............................................................................................................................. ‐ 5 ‐
1. Introduction .................................................................................................................................. ‐ 6 ‐
1.1. Reference ........................................................................................................................... ‐ 6 ‐
1.2. Terms and Abbreviations.................................................................................................... ‐ 6 ‐
2. Product Overview.......................................................................................................................... ‐ 7 ‐
2.1. Appearance ........................................................................................................................ ‐ 7 ‐
2.2. Parts List ............................................................................................................................. ‐ 7 ‐
2.3. Interface Definition ............................................................................................................ ‐ 8 ‐
3. Getting Started .............................................................................................................................. ‐ 9 ‐
3.1. Install a SIM Card................................................................................................................ ‐ 9 ‐
3.2. Switch on the Device ........................................................................................................ ‐ 10 ‐
3.3. Power Connection .......................................................................................................... ..‐ 10 ‐
3.4. Ignition Detection............................................................................................................. ‐ 11 ‐
3.5. Digital Input .................................................................................................................... ..‐ 11 ‐
3.6. Digital Output ................................................................................................................... ‐ 12 ‐
3.7. UART Interface ................................................................................................................. ‐ 13 ‐
3.8. USB Interface .................................................................................................................... ‐ 13 ‐
3.9. Indicator Light Description ............................................................................................... ‐ 13 ‐
4. Troubleshooting and Safety Info ................................................................................................. ‐ 15 ‐
4.1. Troubleshooting ............................................................................................................... ‐ 15 ‐
4.2. Safety Info ........................................................................................................................ ‐ 15 ‐
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Table Index
TABLE 1 : REFERENCE ........................................................................................................................ ‐ 6 ‐
TABLE 2: TERMS AND ABBREVIATIONS ............................................................................................. ‐ 6 ‐
TABLE 3: PARTS LIST .......................................................................................................................... ‐ 7 ‐
TABLE 4: DESCRIPTION OF GV75W INTERFACE................................................................................. ‐ 8 ‐
TABLE 5: DESCRIPTION OF GV75W EXTENSION CABLE ..................................................................... ‐ 8 ‐
TABLE 6: ELECTRICAL CHARACTERISTICS OF IGNITION DETECTION............................................. …‐ 11 ‐
TABLE 7: ELECTRICAL CONDITIONS OF NEGATIVE TRIGGER INPUTS .............................................. ‐ 11 ‐
TABLE 8: ELECTRICAL CONDITIONS OF DIGITAL OUTPUTS.............................................................. ‐ 12 ‐
TABLE 9: DEFINITION OF DEVICE STATUS AND LED ........................................................................ ‐ 14 ‐
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GV75W User Manual
Figure Index
FIGURE 1: APPEARANCE OF GV75W ................................................................................................. ‐ 7 ‐
FIGURE 2: TYPICAL POWER CONNECTION ...................................................................................... ‐ 11 ‐
FIGURE 3: TYPICAL IGNITION DETECTION ....................................................................................... ‐ 11 ‐
FIGURE 4: CONNECTION FOR NEGATIVE TRIGGER INPUTS............................................................. ‐ 11 ‐
FIGURE 5: CONNECTION TO DRIVE AN LED..................................................................................... ‐ 12 ‐
FIGURE 6: CONNECTION TO DRIVE A RELAY ................................................................................... ‐ 12 ‐
FIGURE 7: THE CONNECTION OF UART WITH FEMALE DB‐9 .......................................................... ‐ 13 ‐
FIGURE 8: THE CONNECTION OF UART WITH EXTERNAL DEVICES ................................................ .‐ 13 ‐
FIGURE 9: GV75W LED .................................................................................................................... ‐ 13 ‐
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GV75W User Manual
0. Revision History
Revision
1.00
Date
2016‐09‐09
TRACGV75WUM001
Author
Super Zhao
Description of Change
Initial
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GV75W User Manual
1. Introduction
The GV75W is a compact waterproof GPS tracker designed for a wide variety of vehicle tracking
applications. It has multiple I/O interfaces that can be used for monitoring or controlling external
devices. Its built‐in GPS receiver has superior sensitivity and fast time to first fix. Its triple band
WCDMA subsystem supports UMTS/HSDPA 850 (Band V)/1900 (Band II)/2100 (Band I) MHz and quad
band GSM/GPRS 850/900/1800/1900 MHz, allowing the GV75W's location to be monitored in real
time or periodically tracked by a backend server and mobile devices. Its built‐in 3‐axis accelerometer
allows motion detection and extends battery life through sophisticated power management
algorithms. System integration is straightforward as complete documentation is provided for the full
featured @Track protocol. The @Track protocol supports a wide variety of reports including
emergency, geo‐fence boundary crossings, driving behavior, low battery and scheduled GPS fix.
1.1. Reference
SN
[1]
Document Name
GV75W @Track Air Interface Protocol
[2]
@Track Air Interface for Garmin‐FMI
Protocol
Remark
The air protocol interface between
GV75W and backend server.
Table 1 : Reference
1.2. Terms and Abbreviations
Abbreviation
Description
DIN
DOUT
GND
LATCH_OUT
IGN
USB_VBUS
USB_DM
USB_DP
RXD
TXD
Digital Input
Digital Output
Ground
Latched Digital Outputs
Ignition
USB power connector
USB digital negative
USB digital positive
Receive Data
Transmit Data
Table 2: Terms and Abbreviations
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GV75W User Manual
2. Product Overview
2.1. Appearance
Figure 1: Appearance of GV75W
2.2. Parts List
Name
GV75W Tracker
Picture
102mm*46mm*20.5mm
GV75W Extension Cable
USB‐232 Cable (optional)
12V DC Supply (optional)
GV75W_UART_USB_PWR_Convert_
CABLE (optional)
Table 3: Parts List
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GV75W User Manual
2.3. Interface Definition
GV75W has 11 interfaces which include the connection for power, ignition input, digital input, digital
output, USB, TXD and RXD, etc. The user cable info is shown in the following table.
Index
Colour
Description
Comment
Red
Power
External DC power input, 8‐32V
Black
Ground
System ground (connected to the vehicle’s frame directly)
Yellow
Digital input
Digital input, negative trigger
White
Ignition
Ignition input, positive trigger
Green
Digital output2
Digital output, low side 150mA max
Blue
Digital output1
Digital output, low side 150mA max with latch
Purple
TXD
UART TXD, RS232
Gray
RXD
UART RXD, RS232
Orange
USB_VBUS
USB power connector
10
Brown
USB_DM
USB digital negative
11
Pink
RXD_DP
USB digital positive
Table 4: Description of GV75W Interface
Index
Colour
Description
Comment
Red
Power
External DC power input, 8‐32V
Black
Ground
System ground(connected to the vehicle’s frame directly)
Yellow
Digital input
Digital input, negative trigger
White
Ignition
Ignition input, positive trigger
Green
Digital output2
Digital output, low side 150mA max
Blue
Digital output1
Digital output, low side 150mA max with latch
Purple
TXD
UART TXD, RS232
Gray
RXD
UART RXD, RS232
Table 5: Description of GV75W Extension Cable
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3. Getting Started
3.1. Install a SIM Card
Step 1: Remove the top cover.
Step 2: Insert the SIM card into the SIM card holder. Note: Press down on the SIM card slightly
to make it slide into the slot.
Step 3: Place the top cover on the bottom cover, and tighten both covers until they snap.
Note: Make sure that the seal ring is in place and there is no obvious gap between covers and
seal ring.
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GV75W User Manual
Step 4: Turn over the device and tighten the screw with screw cushion.
Step 5: Connect the device to extension cable or cut off the 12Pin Molex connector.
3.2. Switch on the Device
The method to power on GV75W: Use external power to turn on.
When the external power is removed, GV75W will switch to internal backup battery and keep on
running. When internal backup battery is exhausted, GV75W will report a message and then turn off.
3.3. Power Connection
The red wire is power wire and the black wire is ground wire. The input voltage range for this device
is from 8V to 32V. The device is designed to be installed in vehicles that operate on 12V or 24V
systems without the need for external transformers.
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GV75W User Manual
Figure 2: Typical Power Connection
3.4. Ignition Detection
Logical Status
Electrical Status
Active
5.0V to 32V
Inactive
0V to 3V or open
Table 6: Electrical Characteristics of Ignition Detection
Figure 3: Typical Ignition Detection
The white wire is used for ignition detection. It is strongly recommended to connect this wire to
ignition key at “RUN” position as shown above.
An alternative to connecting to the ignition switch is to find a non‐permanent power source (like the
power source for FM radio) that is only available when the vehicle is running. Ignition signal can be
configured to start transmitting information to the backend server when ignition is on and to enter
power saving mode when ignition is off.
3.5. Digital Input
There is a negative trigger input on GV75W. For negative trigger input, the electrical conditions are
as follows:
Logical State
Electrical State
Active
0V to 0.8V
Inactive
1.7V to 32V or Open
Table 7: Electrical Conditions of Negative Trigger Inputs
The connection is shown as follows:
Figure 4: Connection for Negative Trigger Inputs
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GV75W User Manual
3.6. Digital Output
The outputs are Open‐Drain type with no internal pull‐up resistor which can be used to control a relay.
It means that the user has to connect a pull‐up resistor or a relay coil between the output pin and
any positive voltage (32V max) to generate correct output. Each output can drive a continuous
current of 0.15A.
The green wire is low side 150mA max, and the blue wire is low side 150mA max with latch.
The electrical conditions are shown in the following table:
Logical State
Electrical State
Enable
<1.5V, drive current is 0.15A
Disable
Open or the pull‐up voltage (max 32V)
Table 8: Electrical Conditions of Digital Outputs
Note:
The relay output can be latched by the software, so even if the GV75W is restarted or powered down
in some cases, the relay output will not change. To use the latch function, the main power and backup
battery should be connected. Otherwise the relay will always be in normally closed state.
Digital outputs are used for cutting/restoring GND. The connections are shown below.
Figure 5: Connection to Drive an LED
Figure 6: Connection to Drive a Relay
Note: All outputs are internally pulled up to PWR pin by a diode. So no external flyback diode is
needed when the output is connected to an inductive load.
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GV75W User Manual
3.7. UART Interface
There is one UART interface on GV75W. UART is used for configuration, firmware download, and
communicating with external devices such as CAN Bus module and RFID reader.
Please note the UART interfaces are all RS232 level. For RS232 level, valid signals are 3V to 15V and ‐
3V to ‐15V, and the ‐3V to +3V is not a valid level. 3V to 15V corresponds with logic 0 of TTL level,
while ‐3V to ‐15V corresponds with logic 1.
The examples of connections of UART with female DB‐9 and with external devices are shown as
follows.
Figure 7: The Connection of UART with Female DB‐9
Figure 8: The Connection of UART with External Devices
3.8. USB Interface
Gv75W has one USB interface which is used for firmware download and connects to the
GV75W_UART_USB_PWR_Convert_CABLE (optional). The GV75W_UART_USB_PWR_Convert_CABLE
is used when downloading the firmware.
3.9. Indicator Light Description
Figure 9: GV75W LED
LED
TRACGV75WUM001
Device Status
LED Status
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GV75W User Manual
CEL
(Note 1)
GPS
(Note 2)
PWR
(Note 2)
Device is searching GSM network.
Fast flashing
(Note 3)
Device has registered to GSM network.
Slow flashing
(Note 4)
SIM card needs pin code to unlock.
ON
GPS chip is powered off.
OFF
GPS sends no data or data format error occurs.
Slow flashing
GPS chip is searching GPS info.
Fast flashing
GPS chip has gotten GPS info.
ON
No external power and backup battery voltage is lower
than 3.35V.
OFF
No external power and backup battery voltage is below
3.55V.
Slow flashing
External power in and backup battery is charging.
Fast flashing
External power in and backup battery is fully charged.
ON
Table 9: Definition of Device Status and LED
Note:
1 ‐ CEL LED cannot be configured.
2 ‐ GPS LED and PWR LED can be configured to turn off after a period of time by using the
configuration tool.
3 ‐ Fast flashing is about 60ms ON / 780ms OFF.
4 ‐ Slow flashing is about 60ms ON / 1940ms OFF.
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GV75W User Manual
4. Troubleshooting and Safety Info
4.1. Troubleshooting
Trouble
Possible Reason
Solution
After GV75W is
turned on, the CEL
LED always flashes
quickly.
The SIM card is not inserted.
Please insert the SIM card into
GV75W.
The signal is too weak; GV75W can’t
register to the network.
Please move GV75W into places
with good GSM coverage.
The SIM card is PIN locked.
Use SIM card without SIM PIN, or
unlock SIM PIN.
The SIM card in GV75W doesn’t
support GPRS.
Try a GPRS supporting SIM card.
APN is wrong. Some APNs cannot visit
the Internet directly.
Ask the network operator for the
right APN.
The IP address or port of the backend
server is wrong.
Make sure the IP address for the
backend server is an identified
address on the Internet.
GV75W
doesn’t
power off.
The function of power key is disabled
by AT+GTSFR.
Enable the function of power key by
AT+GTFKS.
GV75W can’t get
successful GPS fix.
The GPS signal is weak.
Please move GV75W to a place with
open sky.
Messages can’t be
reported to the
backend server by
GPRS.
It is better to let the top surface face
the sky.
4.2. Safety Info
 Please do not disassemble the device by yourself.
 Please do not put the device in an overheated or too humid place, and avoid exposure to
direct sunlight. Too high temperature will damage the device or even cause battery
explosion.
 Please do not use GV75W on an airplane or near medical equipment.
WARNING:
 This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
 This device may not cause harmful interference, and
 This device must accept any interference received, including interference that may cause
undesired operation.Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment.
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GV75W User Manual

 NOTE:
 This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation.
 This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:
 ‐ Reorient or relocate the receiving antenna.
 ‐ Increase the separation between the equipment and receiver.
 ‐Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
 ‐Consult the dealer or an experienced radio/TV technician for help.
RF Exposure Statement:
For the product,under normal use condition is at least 20cm away from the body of the
user,the user must keeping at least 20cm distance to the product.
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