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89 lines
2.5 KiB
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89 lines
2.5 KiB
ReStructuredText
Kuntze pool monitor
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===================
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.. seo::
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:description: Instructions for setting up Kuntze pool monitor in ESPHome.
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:image: kuntze.jpg
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The ``kuntze`` component allows you to integrate the Kuntze water measurement
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instrument in ESPHome. It uses :ref:`UART <uart>` (ModBUS) for communication.
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Once configured you can use sensors as described below for your projects.
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.. figure:: ../../images/kuntze.jpg
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:align: center
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Kuntze Neon® Multi instrument
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Overview
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--------
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Kuntze devices have an RS485 (ModBUS RTU) communication port. Please see the
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Kuntze papers for the pinout of the RS485 connector on your unit. ModBUS line
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has to be terminated properly (with a ``120Ω`` resistor), and since this is likely
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your only unit connected to ESPHome, you should activate bus termination in the
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Network menu (this component doesn't support multiple Kuntze devices on the same
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bus). ModBUS address should remain at factory default value.
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The device communicates at ``19200`` baud ``8E1``. To connect to ESPHome, an RS485
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transceiver is needed. Choose a type which does not need a trigger to send and
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receive data, for example:
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.. figure:: ../../images/rs485.jpg
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The controller connects to the UART of the MCU. For ESP32 GPIO `16` to `TXD` and `17`
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to RXD are the default ones but any other pins can be used as well. 3.3V to VCC and GND to GND.
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.. warning::
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If you are using the :ref:`logger` make sure you are not using the same pins for it or otherwise disable the UART
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logging with the ``baud_rate: 0`` option.
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Component
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---------
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A configured modbus component is optional. It will be automatically created.
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.. code-block:: yaml
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# Example configuration entry
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uart:
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- id: uart_bus
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tx_pin: GPIO16
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rx_pin: GPIO17
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baud_rate: 19200
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parity: EVEN
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sensor:
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- platform: kuntze
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id: my_kuntze
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ph:
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id: ph
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temperature:
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id: temperature
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Configuration variables:
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- **ph**: Measured pH value
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- **temperature**: Measured temperature value
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- **dis1**: Measured DIS 1 value
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- **dis2**: Measured DIS 2 value
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- **redox**: Measured Redox value
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- **ec**: Measured EC value
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- **oci**: Measured OCI value
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All sensors are *Optional* and support all other options from :ref:`Sensor <config-sensor>`.
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See Also
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--------
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- :ref:`uart`
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- :ref:`logger`
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- :ref:`Sensor <config-sensor>`
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- `Kuntze manuals <https://www.kuntze.com/en/downloads-2/>`__
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- `Communication protocol <https://www.kuntze.com/wp-content/uploads/2021/05/2019_Manual_Modbus-RTU_ENG.pdf>`__
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- :ghedit:`Edit`
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