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AT240 Advanced Vehicle Tracking Device 

 

User Guide 

 

 

 

 

 

 

Version: 

3.4 

Date:   

December 2013 

 

 

Summary of Contents for AT240

Page 1: ...AT240 Advanced Vehicle Tracking Device User Guide Version 3 4 Date December 2013 ...

Page 2: ... part of TCP IP LED Light Emitting Diode MEMS Micro Electro Mechanical System NMEA National Marine Electronics Association defined a GPS output format OTA Over the Air remote configuration of devices PC Personal Computer PCB Printed Circuit Board PDU Protocol Description Unit describes a binary SMS format RFID Radio Frequency Identification SIM Subscriber Identity Module SMS Short Message Service ...

Page 3: ...ct size approximately cigarette box dimensions IP67 sealing Cortex M3 ARM Processor SiRFstar IV GPS 163dBm sensitivity and anti jamming feature Telit GE865 QUAD band GSM GPRS modem Internal GSM antenna ceramic PIFA type Internal GPS antenna 25mm ceramic patch Low power consumption near zero current drain when vehicle ignition is off 3 axis accelerometer 2 8g CANBus interface Internal Buzzer Blueto...

Page 4: ...ttery 3 7V 450mAh lithium optional Battery Life 5 hours continuous operation 4 days operation in hourly update mode Data transfer modes GPRS TCP UDP Inputs outputs 6 digital inputs 4 normally low 2 pull down 5 digital outputs 2 solid state relays 3 low side MOSFET switches 2 RS232 serial port 2 ADC inputs 5 0V and 15 0V range CANBus iButton Driver ID iButton Current consumption 25mA 13 8 VDC typic...

Page 5: ...Hardware Description Overall Dimensions 104 x 85 x 24 mm SIM installation ...

Page 6: ...ernal voltage source If the optional back up battery is fitted the AT240 will maintain optimum charge level and automatically switch to battery power should the external voltage source fail or fall outside of the permitted range Note that the operating temperature range of the AT240 is reduced when the battery option is fitted see Specifications section Please also note the handling precautions fo...

Page 7: ...ital output 3 MOSFET green black stripe 24 3 3V output regulated unswitched grey black stripe 25 RS232 TX1 pink black stripe 26 RS232 TX2 pink red stripe 27 RS232 RX1 pink blue stripe 28 RS232 RX2 pink green stripe 29 CANH light blue 30 CANL light blue black stripe Digital Inputs Digital inputs 1 to 4 are normally low inputs and can be connected directly to 12 24V vehicle circuits Digital inputs 5...

Page 8: ... thresholds Please refer to the MEMS parameter and Power Management section for more details iButton Dallas Key Interface This can be used to read iButton devices for the purpose of Driver Identification See the Driver ID Application Note for more details of how to use this feature CANBus The AT240 has integrated CANBus Please refer to CANBus and FMS Application Notes for details of supported prot...

Page 9: ...ity of 3 3V and 5 0V outputs 100 mA Voltage rating of relay and MOSFET switches 30 0 V Storage Temperature 40 85 C Operating Temperature without battery 20 60 C Operating Temperature with battery 0 45 C Typical Power Consumption Operating Mode Current 13 8V Current 27 6V Power Consumption Fully Operational 25mA 14mA 400mW Battery charging 500mA 275mA 7W Sleep no battery 0 5mA 0 3mA 7mW Sleep with ...

Page 10: ...haracters locally option from the Properties Settings ASCII Setup menu These settings can be saved by selecting the appropriate option before closing the session Terminal Program for Windows 7 Windows 7 does not include HyperTerminal In this case we recommend Teraterm which can be downloaded free of charge For details and download sources see http logmett com Command Format The AT240 uses the same...

Page 11: ...sed and successfully executed whereas the last command is unrecognised Over the Air Configuration by SMS GPRS The commands and formats described above can all be used over SMS UDP or TCP sockets The response will always be returned by the same mode as the command is received so commands submitted by SMS will be responded to by SMS to the sender s phone number Note that the sender s telephone numbe...

Page 12: ...name to an IP address Maximum hostname length is 64 characters NOTE IP address should be entered WITHOUT LEADING ZEROS TCP Host Port Number PORT1 The port number for the TCP host as required for GPRS mode PTDM Host IP Address IPAD2 Host IP address or hostname to be used in Pass Through Data Mode Maximum hostname length is 64 characters Please refer to the appropriate Application Note for further d...

Page 13: ...Set this parameter to 1 to enable Pass Through Data Mode Note that when Pass Through Data Mode is enabled debug and NMEA output are suppressed from the AT240 serial port DBUG and NMEA set to zero Please refer to the appropriate Application Note for further details Alarm Phone Number ALRM This is the delivery destination for alarm text messages sent via SMS These are typically sent to a GSM handset...

Page 14: ...nes the maximum time interval between position update reports when a vehicle is idling Idling mode is initiated after a period of stationary time see IDLE parameter whilst the ignition is on Setting the Idle Mode Timed Message Interval to zero will disable time based idle mode journey reports Idle Mode Threshold IDLE A vehicle is defined as being in Idle Mode when a vehicle is stationary for a spe...

Page 15: ...installation and calibration guidance relating to the use of IGNM mode 3 STOP Report Delay STPD When IGNM is set to zero see above the AT240 will determine journey START and STOP events from GPS A STOP event will occur after the vehicle has remained stationary for a pre determined time The length of stationary time necessary to trigger a STOP report is dictated by the STPD parameter When IGNM is s...

Page 16: ...button was seen for auth_timeout_secs the AT240 output switch will be closed to activate the reminder buzzer or indicator light etc imob_output_state The state of the digital output when immobilisation is active 0 output OFF for immobilisation 1 output ON for immobilisation IBTN iButton enabled Reminder Confirm Report all iButtons Immobilise 0 No N A N A N A No 1 Yes No No No No 2 Yes Yes No No No...

Page 17: ...S code can be set by RS232 SMS or TCP mode commands but if PASS is non zero the correct current PASS code must be supplied before the new value By default PASS is set to zero which disables OTA PIN code requirement If PASS is set to any other value the correct value must be specified with each OTA command The PASS parameter must be the first command in the sequence e g to change distance reporting...

Page 18: ...f cornering force ACMY and DCMY specify the cornering threshold in m s s 10 integer format Example ACMY 35 set cornering accel threshold at 3 5 m s s DCMY 45 set cornering decel threshold at 4 5 m s s Collision Event Threshold COLN This parameter defines the acceleration deceleration threshold on any axis to be classified as a collision event COLN specifies the threshold in m s s 10 integer format...

Page 19: ... the threshold for the time in the speed_seconds field to trigger an alert 0 disables speed check 20 65535 speed_seconds time for which the speed must be above the threshold in the field speed_kmh to trigger a tow alert 1 65535 motion_sensitivity accelerometer based motion detection sensitivity for triggering a tow alert 0 disables motion detection 1 10 1 most sensitive 10 least sensitive There is...

Page 20: ...inder_output 3 confirm_output 4 Set Digital Output SDIG Allows setting and re setting of the 5 digital outputs as listed for the CDIG command Examples SDIG 1 1 switch output 1 ON SDIG 1 0 switch output 1 OFF Accelerometer Wake up Interrupt Configuration MEMS Allows configuration of the criteria for wake from sleep based on accelerometer motion detection MEMS threshold time limit Immobilise IMOB Se...

Page 21: ...ime reverts to British Summer Time Set on_time off_time to disable auto immobilise schedule for any given day The output will be turned OFF after the specified on_time for any given day of the week The output will be turned ON after the specified off_time for any given day of the week and will remain ON until the specified on_time for the following day The state of the output can be over ridden by...

Page 22: ...scribes the commands The first command is from device to host whilst the rest are from host to device Command Description DRID model CHECK imei family code serial number Device requests iButton authorisation from host DRID APPROVE family code serial number Host approval of iButton DRID DECLINE family code serial number Host declines iButton unknown DRID ADD family code serial number Host request t...

Page 23: ...0 maximum zoom in 1 maximum zoom out The parameters are optional The POSN command alone will give a position link with map view at zoom level 10 Format of the POSN response POSN IMEI DD MM YYYY HR MIN SEC http maps google co uk q AT240 latitude longitude t map_type z zoom Diagnostics DIAG Engineering diagnostics facilities DIAG 1 GPS reset DIAG 2 Modem reset DIAG 3 RESERVED DIAG 4 Load defaults se...

Page 24: ...adable ASCII format not recommended for TCP SMS see PARA Send SMS SSMS Send an SMS text message SSMS gsm_number message This command is intended to engineering purposes typically to check confirm GSM telephone number for unknown SIMs The implementation does not provide any message buffering or communication retries etc and hence it is not recommended for operation applications Device Shutdown SHDN...

Page 25: ...wledgment error Boolean Ignition inactivity error Boolean Notes on error codes 1 GPS timeout No GPS fix has been returned for the specified timeout period GPST Could be an indication of an antenna fault or simply that the vehicle is parked in covered area e g underground car park 2 Modem GPRS attach fail Can be simply due to GSM network coverage but persistent attach failure is an indication that ...

Page 26: ...d reporting interval Integer STIM stationary timed report interval Integer ITIM idling timed report interval minutes Integer IDLE idle mode start threshold seconds Integer STPD stop report delay seconds Integer OSST overspeed threshold kmh Integer OSHT overspeed hold time sec Integer OSIT overspeed inhibit time sec Integer MODE GSM reporting mode Integer PROT reporting protocol Integer REPL report...

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