Common Device Concepts

Setup information common to all devices

Active Levels and Bias Resistors for Digital Inputs
Many digital inputs in the Digital Matter product range have a settable 'Active Level' and a configurable Bias Resistor.  The Active Level d...
Mon, 27 May, 2019 at 11:14 AM
Why are digital input changes not showing on the server straight away?
Currently for all device, a change on a physical digital input will create a log entry on the device, but it will not be uploaded until it's next s...
Mon, 17 Sep, 2018 at 12:16 PM
Devices and Inputs: Dry Contact / Open Collector / Open Drain
Digital Matter devices commonly have digital inputs. These are inputs are designed to read on or off. This article discusses connecting the DM inputs to ext...
Wed, 12 Sep, 2018 at 3:16 PM
Buzzers
'Buzzers' can be sounded on devices for various conditions such as: Speeding violations (when above on-device speed threshold) No Driver ID ...
Fri, 14 Sep, 2018 at 2:16 PM
Setting the 4G technology (NB-IoT or CAT-M1)
WARNING:  If you set the 4G technology to either "CAT-M1 Only" or "NB-IoT Only", if that technology is not available, the device will N...
Mon, 22 Oct, 2018 at 12:10 PM
Cellular Battery Powered Device Upload Timeouts
To provide finer control of upload power use for battery powered devices, 3 settings are exposed in the System Parameters: Network registration ti...
Wed, 20 Mar, 2019 at 2:50 PM
(FAQ) Upload Delay (Latency) after a network error
This article applies to cellular devices. How long will it take the device to upload after a network error? The Digital Matter cellular devices will st...
Mon, 8 Apr, 2019 at 8:43 AM