Global Sat ER-506 Instruction Manual

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GLOBALSAT GPS Module
Hardware Data Sheet
Product No : ER-506
User Manual Version 1.1
Globalsat Technology Corporation
16F., No. 186, Jian-Yi Road, Chung-Ho City, Taipei
Hsien 235, Taiwan
Tel: [phone] Fax: [phone]
E-mail : servic[email protected].tw
Website: www.globalsat.com.tw
Issue Date
2013/10/08
APPR
Ray
CHECK PREPARE
Mason

ER-506
High Performance GPS Module
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Product Description
Product Description
ER-506 GPS module features high sensitivity, low power and ultra small form factor. This GPS
module is powered by SiRF Star IV, it can provide you with superior sensitivity and performance
even in urban canyon and dense foliage environment. With SiRF CGEE (Client Generated
Extended Ephemeris) technology, it predicts satellite positions for up to 3 days and delivers
CGEE-start time of less than 15 seconds under most conditions, without any network assistance.
Besides, MicroPower Mode allows GPS module to stay in a hot-start condition nearly continuously
while consuming very little power. ER-506 is suitable for the following applications:
Automotive navigation
Fleet management
Marine navigation
Product Features
SiRF Star IV high performance GPS Chipset
Very high sensitivity (Tracking Sensitivity: -163 dBm)
Extremely fast TTFF (Time To First Fix) at low signal level
Support RS-232 interface.
Built-in LNA(with in CHIP)
Compact size (30.0mm x 30.0 mm x 10.7mm) suitable for space-sensitive application
Support NMEA 0183 V3.0 (GGA, GSA, GSV, RMC, VTG, GLL, ZDA)
Support OSP protocol
Support SBAS (WASS, EGNOS, MSAS, GAGAN)

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High Performance GPS Module
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Product Pin Description
PIN Number(s) Name Type Description Note
1,5 GND P Ground.
2 VIN P This is the main power supply to the engine
board. (4.5Vdc to 6.5Vdc)
3 RXD I
This is the main receive channel for
receiving software commands to the engine
board from SiRFdemo software or from user
written software. Baud rate based on flash
memory setting.
4 TXD O
This is the main transmits channel for
outputting navigation and measurement
data to user’s navigation software or user
written software.
6 Directive O This pin indicates the GPS states.
Electrical Specification
Absolute Maximums Ratings
Parameter Min. Typ. Max. Conditions Unit
POWER Supply
Main power supply(VCC) 4.5 5.0 6.5 V
45 50 55 GPS is not 3D Fixed. mA
Main power supply Current 33 34 38 GPS is 3D Fixed. mA
RF
Input Impendance 50 Ω
Operating Frequency 1.575 Ghz

ER-506
High Performance GPS Module
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DC Electrical characteristics
Parameter Symbol Min. Typ. Max. Conditions Units
Directive
Low Level Output Voltage VOL 0.4 V
Directive
High Level Output Voltage VOH 3.3 V
RS
-232 Low Level Output Voltage VI L -6 V
RS
-232 High Level Output Voltage VI H 6 V
Receiver Performance
Sensitivity
Tracking :
Autonomous acquisition :
-163dBm
-160 dBm
< 35s
Cold Start – Autonomous <15s (with CGEE)
< 35s
Warm Start – Autonomous2
< 15s(with CGEE)
Time-To-First-Fix1
Hot Start – Autonomous3 < 1s
Horizontal Position Accuracy4 Autonomous < 2.5m
Velocity Accuracy5
Speed
Heading
< 0.01 m/s
< 0.01 degrees
Reacquisition 0.1 second, average
Update Rate 1 Sec / 5 Sec
Maximum Altitude < 18,000 meter
Maximum Velocity < 515 meter/ second
Maximum Acceleration < 4G
<Note>
1. 50% -130dBm Fu 0.5ppm Tu ±2s Pu 30Km
2. Commanded Warm START
3. Commanded Hot START
4. 50% 24hr static, -130dBm
5. 50% @ 30m/s
Environmental Characteristics
Parameter Min Typ Max Unit
Humidity Range 5 95 % non-condensing
Operation Temperature -40 25 85 ℃
Storage Temperature -40 85 ℃

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High Performance GPS Module
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Physical Characteristic
OPERATING Description
GND
This is Ground pin for the baseband circuit.
VIN
This is the main power supply to the engine board. (4.5Vdc to 6.5Vdc)
RXD
This is the main channel for receiving software commands from SiRFdemo software or from your
proprietary software.
TXD
This is the main transmits channel for outputting navigation and measurement data to user’s
navigation software or user written software.
Directive
This pin exports signal to indicate the GPS states.
GPS unfix: always low level.
GPS fixed: one second high level, one second low level.
LED
LED indicator for GPS fix or not fix
LEDOFF: Receiver switch off
LED ON: No fixed, Signal searching
LED Flashing: Position Fixed

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High Performance GPS Module
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SOFTWARE COMMAND
NMEA Output Command
GGA - Global Positioning System Fixed Data
Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA
message description
Table B-2 contains the values for the following example:
$GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M,-34.2,M,,0000*18
Table B-2 GGA Data Format
Name Example Units Description
Message ID $GPGGA GGA protocol header
UTC Time 161229.487 hhmmss.sss
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
Position Fix Indicator 1 See Table B-3
Satellites Used 07 Range 0 to 12
HDOP 1.0 Horizontal Dilution of Precision
MSL Altitude 9.0 meters
Units M meters
Geoid Separation1-34.2 meters Geoid-to-ellipsoid separation.
Ellipsoid altitude=MSL Altitude + Geoid
Separation
Units M meters
Age of Diff. Corr. second Null fields when DGPS is not used
Diff. Ref. Station ID 0000
Checksum *18
<CR><LF> End of message termination
Table B-3 Position Fix Indicator
Value Description
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode , fix valid
3 Not supported
6 Dead Reckoning Mode, fix valid
Note:
A valid status is derived from all the parameters set in the software. This includes the minimum

ER-506
High Performance GPS Module
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number of satellites required, any DOP mask setting, presence of DGPS corrections, etc. If the
default or current software setting requires that a factor is met, then if that factor is not met the
solution will be marked as invalid.
GLL - Geographic Position-Latitude/Longitude
Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA
message description
Table B-4 contains the values for the following example:
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A,A*41
Table B-4 GLL Data Format
Name Example Units Description
Message ID $GPGLL GLL protocol header
Latitude 3723.2475 ddmm.mmmm
N/S Indicator n N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
UTC Position 161229.487 hhmmss.sss
Status A A=data valid or V=data not valid
Mode A A=Autonomous, D=DGPS,
E=DR
N=Output Data Not Valid
R= Coarse Position1
S=Simulator
Checksum *41
<CR><LF> End of message termination
1. Position was calculated based on one or more of the SVs having their states derived from
almanac parameters, as opposed to ephemerides.

ER-506
High Performance GPS Module
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GSA - GNSS DOP and Active Satellites
Table B-5 contains the values for the following example:
$GPGSA,A,3,07,02,26,27,09,04,15,,,,,,1.8,1.0,1.5*33
Table B-5 GSA Data Format
Name Example Units Description
Message ID $GPGSA GSA protocol header
Mode 1 A See Table B-6
Mode 2 3 See Table B-7
Satellite Used107 Sv on Channel 1
Satellite Used102 Sv on Channel 2
…..
Satellite Used1Sv on Channel 12
PDOP21.8 Position dilution of Precision
HDOP21.0 Horizontal dilution of Precision
VDOP21.5 Vertical dilution of Precision
Checksum *33
<CR><LF> End of message termination
1. Satellite used in solution.
2. Maximum DOP value reported is 50. When 50 is reported, the actual DOP may be much larger.
Table B-6 Mode1
Value Description
M Manual-forced to operate in 2D or 3D mode
A 2Dautomatic-
allowed to automatically switch 2D/3D
Table B-7 Mode 2
Value Description
1 Fix Not Available
2 2D (<4 SVs used)
3 3D (>3 SVs used)

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High Performance GPS Module
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GSV - GNSS Satellites in View
Table B-8 contains the values for the following example:
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
Table B-8 GSV Data Format
Name Example Units Description
Message ID $GPGSV GSV protocol header
Number of Messages1 2 Range 1 to 3
Message Number1 1 Range 1 to 3
Satellites in View1 07
Satellite ID 07 Channel 1(Range 1 to 32)
Elevation 79 degrees Channel 1(Maximum90)
Azimuth 048 degrees Channel 1(True, Range 0 to 359)
SNR(C/No) 42 dBHz Range 0 to 99,null when not tracking
……. …….
Satellite ID 27 Channel 4 (Range 1 to 32)
Elevation 27 Degrees Channel 4(Maximum90)
Azimuth 138 Degrees Channel 4(True, Range 0 to 359)
SNR(C/No) 42 dBHz Range 0 to 99,null when not tracking
Checksum *71
<CR><LF> End of message termination
1. Depending on the number of satellites tracked, multiple messages of GSV data may be
required. In some software versions, the maximum number of satellites reported as visible is
limited to 12, even though more may be visible.

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High Performance GPS Module
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RMC - Recommended Minimum Specific GNSS Data
Note – Fields marked in italic red apply only to NMEA version 2.3 (and later) in this NMEA
message description
Table B-9 contains the values for the following example:
$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598,,,A*10
Table B-9 RMC Data Format
Name Example Units Description
Message ID $GPRMC RMC protocol header
UTC Time 161229.487 hhmmss.sss
Status1A A=data valid or V=data not valid
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
Speed Over Ground 0.13 knots
Course Over Ground 309.62 degrees True
Date 120598 ddmmyy
Magnetic Variation2degrees E=east or W=west
East/West Indicator2 E E=east
Mode A A=Autonomous, D=DGPS,
E=DR
N=Output Data Not Valid
R= Coarse Position3
S=Simulator
Checksum *10
<CR><LF> End of message termination
1. A valid status is derived from all the parameters set in the software. This includes the
minimum number of satellites required, any DOP mask setting, presence of DGPS
corrections, etc. If the default or current software setting requires that a factor is met, then if
that factor is not met the solution will be marked as invalid.
2. SiRF Technology Inc. does not support magnetic declination. All “course over ground” data
are geodetic WGS84 directions relative to true North.
3. Position was calculated based on one or more of the SVs having their states derived from
almanac parameters, as opposed to ephemerides.