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Speed Monitoring - G70

The G70 has an onboard speeding parameter which allows a maximum speed Threshold (km/h) to be stored on the device. While in trip, the device leaves its GPS module on, logging fixes constantly at 1Hz (second by second). 

The parameters available on the Speeding tab define what action is taken when the device speed is above the threshold. 

For all options, if the Threshold speed is set, the device will sound a buzzer output when the GPS speed exceeds the Threshold. The buzzer will remain active until the GPS speed drops by the Delta (km/h) value below the Threshold. 

The options then define what/how many records the device logs when speeding is occurring. 

No Logging

The device will only buzz when over the threshold. Logging is as per the parameters configured on the Logging tab (i.e. default every 60sec or every 500m). There are no records logged as a result of the threshold being breached. This is designed to control driver speed with in-cab buzzer feedback. 

See notes here about Buzzing - G70 - Connect an External Buzzer/LED : Digital Matter Support 

When parameters are set to buzz, such as buzzing on over speed and buzz on no driver ID - the firmware tells the following outputs to buzz

  • The internal buzzer in the RFID driver ID reader, if connected
  • Any outputs set to 'buzzer'
  • So if you are already using the RFID reader - there is no need to wire any additional buzzers!

Example: If the customer wants a buzzer to sound when 100 km/h is breach and to turn off when the speed drops 5km/h under this threshold once breached. Your settings would be the following:

  • Threshold = 100km/h
  • Delta = 5km/h
  • Output 1 Function = Buzzer (if RFID reader isn't in use)

Starting/Stopping of Speeding
In addition to buzzing when over the threshold, the device will log a record at the Start and End of speeding. This allows for precise speeding durations to be determined server side. 

Logs generated for start/end of speeding will use log reason 18 - Over Speed.

Constant Logging
In addition to buzzing when over the threshold, the device will log a record for every point it records while the speed is above the threshold. This means second-by-second logs when the device is above the threshold.

These logs will use log reason 18 - Over Speed. 

Care must be configured when configuring this option, as it will result in additional data usage, and many records being send for processing by the end server if drivers speed for extended periods.

Log Maximum
In addition to buzzing the device will log Over Speed records (reason 18) - on:
  • Start of speeding
  • End of speeding
  • New maximum speed

So if the threshold is breached, and the speed gradually increases, we will get records with each 1km/h increase. Then if it dips again (but stays above the threshold) there will be no logs until it either exceeds the previous maximum, or speeding ends. 

This means we get enough logs to identify the start point, endpoint, duration, and max speed of any speeding event.

Speed Alerts in Telematics Guru

The speed is reported with each log and can be alerted on in TG. We can use the Alert Wizard - Speeding (Once per trip) to setup the Speed Limit alert threshold. 

TG has a huge selection of reports and ways to report on speed, see Speed Monitoring in Telematics Guru.

Log based on Speed Change

You can set the Speed Change parameter under the Logging parameter tab to record additional logs in trip if the speed changes. This change is since the previous log. 

Buzz When Speeding Inside Geofence

Geofence downloads can be used to trigger a buzzer when speeding inside a geofence. See Geofence Downloads Example: Buzz when over 40km/h inside geofence 

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