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https://github.com/alttch/eva-demo-farm

EVA ICS virtual farm demo
https://github.com/alttch/eva-demo-farm

automation cloud iiot iot mqtt

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EVA ICS virtual farm demo

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README 

        
EVA ICS demo: Farm management

*****************************



This is a legacy demo for EVA ICS v3. Visit https://www.eva-ics.com/ about

more information.



Layout

======



This demo deploys `EVA ICS `_ cluster to control

virtual farm with two greenhouses.



Each greenhouse has own Universal Controller instance, which collects data from

sensors:



* greenhouseX/env/temp - temperature

* greenhouseX/env/hum - humidity

* greenhouseX/env/soilm - soil moisture

* greenhouseX/env/ldr - light sensor (1 - ok, 0 - low)



Also, greenhouses are equipped with units:



* greenhouseX/pump - water pump

* greenhouseX/lamp - lighting lamps circuit



which can be turned on/off by operator or PLC.



In this setup, units use virtual relay drivers, port 1 for pump, port 2 for

lamps. Sensors don't use any driver, user can set their values manually and

simulate different events.



Logic

=====



LM PLC has the following rules:



* If ldr sensor in greenhouse becomes 0 - turn the light on, otherwise turn the

  light off



* If soil becomes too dry ( < 85) - turn the pump on, if too wet ( > 110) -

  turn the pump off



* If the pump is turned on by operator, it should be automatically turned off

  in 30 seconds for greenhouse 1, in 45 seconds for greenhouse 2



* The pump should not be automatically turned off if it was turned on by

  operator but then measure monitoring detected that soil is dry



* macro **start_manual_watering** is called by operator, other macros are

  called by decision rules.



* Rules and automatic macros are programmed in universal way to use item props

  and **_source** object (in macros) to determine the event-related items. This

  allows the cluster to be extended with more greenhouses without creating any

  new macros.



Network and containers

======================



* Both UCs are set up on dedicated nodes and dynamically discovered by LM/SFA

  and exchange data via MQTT server



* SFA and LM PLC are set up on the same node and statically connected via HTTP

  and exchange data via P2P connection



* **eva_farm_mqtt** local MQTT server (mosquitto), *10.27.12.200*

* **eva_farm_uc1** UC in greenhouse 1, *10.27.12.101*

* **eva_farm_uc2** UC in greenhouse 2, *10.27.12.102*

* **eva_farm_scada** *10.27.12.199*

 * LM PLC (logic controller)

 * SFA (aggregator, UI)



Deployment

==========



Local

-----



.. code:: bash



    eva sfa cloud deploy -ys -c srv=$(hostname) \

        https://raw.githubusercontent.com/alttch/eva-demo-farm/master/deploy/farm-demo-single.yml



Docker

------



Requirements: `Docker `_, `docker-compose

`_.



* Execute *docker-compose up* to deploy containers and demo configuration



Management

==========



API

---



Default master key is: *demo123*



http://10.27.12.199:8828 - SFA API/primary operator interface



Components:



* http://10.27.12.101:8812 - UC in greenhouse 1 API/EI

* http://10.27.12.102:8812 - UC in greenhouse 2 API/EI

* http://10.27.12.199:8817 - LM PLC API/EI



The port **8828** is also mapped to main host.



UI

--



http://10.27.12.199:8828



SFA user credentials:



* **login** *operator*

* **password** *123*



CLI

---



CLI management:

    

    *docker exec -it  eva-shell*



e.g. enter **eva_farm_scada** node shell:



    *docker exec -it eva_farm_scada eva-shell*



Event simulation

----------------



Sensor events can be simulated with:



    *./sensor-set.sh   *