Difference between revisions of "TFT100 Data acquisition settings"
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Latest revision as of 13:09, 23 March 2023
Main Page > E-Mobility Trackers > TFT100 > TFT100 Configuration > TFT100 Data acquisition settingsData Acquisition settings
Data Acquisition modes are an essential part of TFT100 device, they are also highly configurable. Through configuration user defines how records will be saved and sent. There are three different modes:
- Home,
- Roaming,
- Unknown.
All these modes with configured data acquisition and report frequencies depend on current GSM Operator defined in the Operator list (see section GSM Operators settings) and are switched when GSM operator changes (e.g. vehicle passes through a country border).
If current GSM operator is defined as Home Operator, device will work in Home Data Acquisition mode, if current operator is defined as Roaming Operator, device will work in Roaming Data Acquisition mode, and if current operator code is not written in the Roaming Operator list, device will work in Unknown mode.
This functionality allows having different AVL records to acquire and send parameter values when object is moving or standing still. TFT100 has 6 different modes. Operational logic is shown in the figure below.
Operator search is performed every 15 minutes. Depending on current GSM operator Home, Roaming or Unknown mode can be changed faster than every 15 minutes. This process is separate from operator search. Movement criteria are checked every second.
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Keep in mind that TFT100 operates in GMT:0 time zone, without daylight saving. |
On Stop
- Min Period - Time based data acquisition parameter, where records are acquired every time when a defined interval of time passes. Entering zero disables data acquisition based on time.
- Min Saved Records - Record quantity based data acquisition parameter, where minimum number of coordinates and I/O data that should be transferred within a single connection to the server. If TFT100 does not have enough coordinates to send to the server, it will check again after a time interval defined in Send Period field.
- Send Period - Send Time based data acquisition parameter, where period controls the frequency of data being sent to server over GPRS. Module makes attempts to send collected data to the server every defined period of time. If it does not have enough records (depends on the parameter Min. Saved Records described above), it tries again after the defined time interval.
Moving
- Min Period - Time based data acquisition parameter, where records are acquired every time when a defined interval of time passes. Entering zero disables data acquisition based on time.
- Min Distance - Distance based data acquisition parameter, where records are acquired when the distance between previous coordinate and current position is greater than a defined parameter value. Entering zero disables data acquisition based on distance.
- Min Angle - Angle based data acquisition parameter, where records are acquired when the angle difference between last recorded coordinate and current position is greater than a defined value. Entering zero disables data acquisition based on angle.
- Min Speed Delta - Speed based data acquisition parameter, where records are acquired when the speed difference between last recorded coordinate and current position is greater than a defined value. Entering zero disables data acquisition based on speed.
- Min Saved Records - Record quantity based data acquisition parameter, where minimum number of coordinates and I/O data that should be transferred within a single connection to the server. If TFT100 does not have enough coordinates to send to the server, it will check again after a time interval defined in Send Period field.
- Send Period - Send Time based data acquisition parameter, where period controls the frequency of data being sent to server over GPRS. Module makes attempts to send collected data to the server every defined period of time. If it does not have enough records (depends on the parameter Min. Saved Records described above), it tries again after the defined time interval.
Tracking on Demand
Tracking on Demand only works when activated by pressing a button that can be configured on the keyboard tab or SMS / GPRS command. "on_demand_tracking#" where # is a number from 0 to 2.
Possible # values are:
- 0 – Stops Tracking on Demand functionality.
- 1 – Starts Tracking on Demand functionality.
- 2 – Generates one high priority record and initiates data sending to server.
After that, device starts to generate high priority records and initiate data sending to server. If tracking on demand is already running, SMS/GPRS command or button click will restart tracking on demand.
If tracking on demand period is lower than normal record acquisition period, only high priority records will be created. If tracking on demand period is larger than normal record acquisition period, low priority records will be created according to data acquisition configuration and high priority record will be created after configured tracking on demand period. Some new Tracking on Demand parameters are introduced in devices.