Solution

The ROSSMA company (Perm, Russia) has developed "Universal autonomous wireless measuring and switching device for controllers and sensors with digital and analog outputs " (ROSSMA-IIOT-AMS), using LoRaWan technology.
Device capability when working with data from sensors and controllers
RS-485, RS-422, RS-232, Modbus, 0-5mA, 0-20mA, 4-20mA, 0-0,01B/0-1B/0-10B, pulse output.

This device allows to perform long-term independent operation of sensors and measuring devices with the above-stated output interfaces using usual batteries (lithium-thionylchloride battery).

Estimated independent operation pressurometer with a 4-20 mA current output, with data transmission in LoRaWan network is:

6 months
with measurement frequency 1measurement/ 2 min when using 1 battery.
3 years
with measurement frequency 1 measurement/ 1 hour with the simultaneous work of two sensors using 1 battery.
In autonomous mode (without external power supply) the device is able to read measurements from sensors and measuring devices with digital and analog outputs.
Can perform inner clock corrections for synchronization of measurement time.
Measurement frequency is adjusted for each parameter individually. (from 1 time a minute and more).
One ROSSMA-IIOT-AMS device with standard equipment can be connected with up to 8 measuring devices or controllers and transmit data in LoRaWan network as one package with up to 64 parameters.
Autonomous operation time of the controller can reach up to 5 years depending on the number of parameters, sensor type and measurement frequency.
Autonomous operation time of the controller can reach up to 5 years depending on the number of parameters, sensor type and measurement frequency.
While there is no communication with LoRaWan base station, it is possible to store readings and transmit them upon resumption of connection.
It is possible to process emergency and disturbing events and to operate executive elements of an object to prevent accident on the side of ROSSMA-IIOT-AMS.
Architecture
Solution
9 Chkalova St., bld. "I"
Perm
Russia
614064

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