Difference between revisions of "FMB640 Sleep modes"

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{{Template:FMB Sleep modes|model=FMB640|txt_sleepmodes=There are three sleep modes: GPS sleep, Deep sleep and Online Deep sleep mode.|usb_disconnected=* USB is not connected.|ultra_ds= }}
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There are three sleep modes: Sleep, Deep sleep and Online sleep mode.
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[[Category:FMB640 Manual]]
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==Sleep mode==
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While in sleep mode, {{{model|FMB640}}} sets GPS receiver to sleep mode but GSM/GPRS module stays active, in Sleep mode power usage can be decreased to save vehicle’s battery, because GPS module is turned off.
 +
 
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{{{model|FMB640}}} can enter sleep mode if ALL of these conditions are met:
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*{{{model|FMB640}}} has to be configured to work in Sleep mode;
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*Start-up timeout has elapsed (5 minutes after every restart of the device);
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*No movement by accelerometer is detected;
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*Ignition is off;
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*USB cable is not connected.
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{{{model|FMB640}}} exits sleep mode if ONE of the following conditions are true:
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*Movement by accelerometer is detected (depends on accelerometer start settings);
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*Ignition is turned on (driven logic high);
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*USB cable is connected;
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*HIGH or PANIC priority eventual record is detected;
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While being in sleep mode FMB640:
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*cannot save periodical or eventual records;
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*send data to server;
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==Deep Sleep mode==
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While in deep sleep mode, {{{model|FMB640}}} sets GNSS receiver to sleep mode and turns off GSM/GPRS module (it is not possible to wake up device via SMS). Despite records with last known coordinate being saved and sent to AVL server (GSM/GPRS module is turned on to send data and then it is turned off), power usage is decreased to save vehicle's battery. Note, that power saving depends on two configurable parameters: send period and minimum record saving period in "X on Stop Mode". When records are sent successfully in deep sleep mode, open link timeout counter will be skipped and {{{model|FMB640}}} will enter deep sleep mode immediately.<br/>Because a lot of functions are disabled in deep sleep mode 13 I/O elements are disabled from records that are generated in this mode: GSM Signal, GNSS Status, GNSS PDOP, GNSS HDOP, Speed, GSM CellID, GSM Area Code, Fuel rate GPS, Active GSM Operator, Trip Odometer, Total Odometer, Fuel Used GPS and ICCID.
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{{{model|FMB640}}} can enter deep sleep mode if ALL of these conditions are met:
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* {{{model|FMB640}}} has to be configured in Deep Sleep Mode and Sleep Timeout is reached;
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* Device must have time synchronized with GNSS satellites and have GPS fix;
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* Ignition (configured ignition source) is off;
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* Movement is not detected by accelerometer or configured movement source;
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* ''Min. Record Saving Period'' ({{{ctrDaq|[[Template:FMB Data acquisition settings|Data Acquisition Mode settings]]}}}) must be larger than ''Open Link Timeout'' parameter, so that {{{model|FMB640}}} could close GPRS link;
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* The difference between ''Send Period'' ({{{ctrDaq|[[Template:FMB Data acquisition settings|Data Acquisition Mode settings]]}}}) and ''Open Link Timeout'' must be more than 90 seconds, so that {{{model|FMB640}}} could close GPRS link within at least 90 seconds;
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* Forced wakeup is not set;
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* There are no SMS messages being received;
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* Data socket(s) are closed;
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* Data sending is not in progress;
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* FOTA is not in progress.<br/>
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{{{model|FMB640}}} exits deep sleep mode if ONE of the following conditions is true:
 +
* Movement by accelerometer or configured movement source is detected;
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* Ignition (configured ignition source) is turned on.
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==Online Deep Sleep mode==
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In this mode the device works as in Deep Sleep mode, but without deregistering from GSM network. GSM part stays powered, so this increases power consumption. In this mode, device should send/receive SMS and make/accept calls. It does not close GPRS context if one was previously opened.
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Conditions to enter Online Deep Sleep mode are the same as entering Deep Sleep mode.
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{{{model|FMB640}}} exits Online Sleep mode if ONE of following conditions are true:
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* Movement by accelerometer or configured movement source is detected;
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* Ignition (configured Ignition Source) is turned on.

Revision as of 08:17, 28 May 2018

Main Page > EOL Products > FMB640 > FMB640 Manual > FMB640 Sleep modes

There are three sleep modes: Sleep, Deep sleep and Online sleep mode.

Sleep mode

While in sleep mode, FMB640 sets GPS receiver to sleep mode but GSM/GPRS module stays active, in Sleep mode power usage can be decreased to save vehicle’s battery, because GPS module is turned off.

FMB640 can enter sleep mode if ALL of these conditions are met:

  • FMB640 has to be configured to work in Sleep mode;
  • Start-up timeout has elapsed (5 minutes after every restart of the device);
  • No movement by accelerometer is detected;
  • Ignition is off;
  • USB cable is not connected.

FMB640 exits sleep mode if ONE of the following conditions are true:

  • Movement by accelerometer is detected (depends on accelerometer start settings);
  • Ignition is turned on (driven logic high);
  • USB cable is connected;
  • HIGH or PANIC priority eventual record is detected;

While being in sleep mode FMB640:

  • cannot save periodical or eventual records;
  • send data to server;

Deep Sleep mode

While in deep sleep mode, FMB640 sets GNSS receiver to sleep mode and turns off GSM/GPRS module (it is not possible to wake up device via SMS). Despite records with last known coordinate being saved and sent to AVL server (GSM/GPRS module is turned on to send data and then it is turned off), power usage is decreased to save vehicle's battery. Note, that power saving depends on two configurable parameters: send period and minimum record saving period in "X on Stop Mode". When records are sent successfully in deep sleep mode, open link timeout counter will be skipped and FMB640 will enter deep sleep mode immediately.
Because a lot of functions are disabled in deep sleep mode 13 I/O elements are disabled from records that are generated in this mode: GSM Signal, GNSS Status, GNSS PDOP, GNSS HDOP, Speed, GSM CellID, GSM Area Code, Fuel rate GPS, Active GSM Operator, Trip Odometer, Total Odometer, Fuel Used GPS and ICCID. FMB640 can enter deep sleep mode if ALL of these conditions are met:

  • FMB640 has to be configured in Deep Sleep Mode and Sleep Timeout is reached;
  • Device must have time synchronized with GNSS satellites and have GPS fix;
  • Ignition (configured ignition source) is off;
  • Movement is not detected by accelerometer or configured movement source;
  • Min. Record Saving Period (Data Acquisition Mode settings) must be larger than Open Link Timeout parameter, so that FMB640 could close GPRS link;
  • The difference between Send Period (Data Acquisition Mode settings) and Open Link Timeout must be more than 90 seconds, so that FMB640 could close GPRS link within at least 90 seconds;
  • Forced wakeup is not set;
  • There are no SMS messages being received;
  • Data socket(s) are closed;
  • Data sending is not in progress;
  • FOTA is not in progress.

FMB640 exits deep sleep mode if ONE of the following conditions is true:

  • Movement by accelerometer or configured movement source is detected;
  • Ignition (configured ignition source) is turned on.

Online Deep Sleep mode

In this mode the device works as in Deep Sleep mode, but without deregistering from GSM network. GSM part stays powered, so this increases power consumption. In this mode, device should send/receive SMS and make/accept calls. It does not close GPRS context if one was previously opened. Conditions to enter Online Deep Sleep mode are the same as entering Deep Sleep mode. FMB640 exits Online Sleep mode if ONE of following conditions are true:

  • Movement by accelerometer or configured movement source is detected;
  • Ignition (configured Ignition Source) is turned on.
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