Ovladani rekuperacni jednotky Brink Flair 300 pres protokol Modbus a jeji integrace do systemu openHAB.
Nezkousel jsem to, ale pravdepodobne to bude stejne fungovat i s jednotkami Flair 325 a Flair 400.
| Parametry spojeni | |
|---|---|
| Protocol version: | RTU |
| Baudrate: | 19k2 (19200 Bd) |
| Default slave address: | 20 |
| Parity: | Even |
| Stop bits: | 1 |
https://www.openhab.org/docs/installation/openhabian.html
Version: 2.5.10 (Build)
[14:48:16] openhabian@openHABianPi:~/bin$ lsb_release -a
No LSB modules are available.
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 9.8 (stretch)
Release: 9.8
Codename: stretch
[14:54:40] openhabian@openHABianPi:~/bin$ hostnamectl
Static hostname: openHABianPi
Icon name: computer
Machine ID: e278d9daa394410b8bcf44d5cbf0d734
Boot ID: 95082e508e5047f8a7b7f52461d7139b
Operating System: Raspbian GNU/Linux 9 (stretch)
Kernel: Linux 4.14.98-v7+
Architecture: arm
https://arduino-shop.cz/arduino/1171-prevodnik-usb-na-rs485-chip-ch340c.html
[00:06:29] openhabian@openHABianPi:~$ ll /dev | grep ttyUSB
crw-rw---- 1 root dialout 188, 0 Nov 7 00:06 ttyUSB0
[23:28:58] openhabian@openHABianPi:~$ lsusb
Bus 001 Device 009: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
Bus 001 Device 004: ID 0424:7800 Standard Microsystems Corp.
Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Cesta /dev/ttyUSB0 se pak pouziva jako device/port pro komunikaci pres Modbus.
https://github.com/epsilonrt/mbpoll
https://minimalmodbus.readthedocs.io/en/master/readme.html
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https://www.storc.cz/wp-content/uploads/2018/11/Flair_325.pdf
strana 53, spousta adres tam ale neni -
https://www.brinkclimatesystems.nl/getattachment/ff69a0ac-80a3-4070-8731-8f70e8cca320
https://www.openhab.org/addons/bindings/modbus/
https://community.openhab.org/t/brink-renovent-excellent-300-air-ventilation-integration/91373/6
Cteni a zapis dat pres prikazovou radku pres nastroj mbpoll je popsana v souboru commands.md.
Cteni dat v python skriptu prostrednictvim knihovny MinimalModbus je v souboru brink.py.
Implementace v openHABu pres Modbus Binding (things, items, sitemap atd.) je v adresari openhab.
Prehled hodnot pro cteni/zapis je v tabulce properties.csv.
Pokud pouzivate 4polohovy nastenny ovladac pro nastaveni stupne vykonu jednotky (pripojeny pres konektor X14) a chcete zacit ridit vykon pres Modbus, je potreba ovladac odpojit. Hada se to spolu. Narazove vetrani (boost) problem neni.
