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https://github.com/sensirion/python-uart-sfx6xxx
Python driver to work with the Sensirion's SFC6xxx mass flow controller or SFM6xxx sensor via UART
https://github.com/sensirion/python-uart-sfx6xxx
controller evaluation-kit flow meter python sek sensirion sensor sfc sfc6 sfc6000 sfc6xxx sfm sfm6 sfm6000 sfm6xxx shdlc uart
Last synced: about 2 months ago
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Python driver to work with the Sensirion's SFC6xxx mass flow controller or SFM6xxx sensor via UART
- Host: GitHub
- URL: https://github.com/sensirion/python-uart-sfx6xxx
- Owner: Sensirion
- License: bsd-3-clause
- Created: 2023-03-14T16:02:15.000Z (almost 2 years ago)
- Default Branch: master
- Last Pushed: 2024-05-13T12:40:20.000Z (8 months ago)
- Last Synced: 2024-11-07T08:46:33.566Z (about 2 months ago)
- Topics: controller, evaluation-kit, flow, meter, python, sek, sensirion, sensor, sfc, sfc6, sfc6000, sfc6xxx, sfm, sfm6, sfm6000, sfm6xxx, shdlc, uart
- Language: Python
- Homepage: https://sensirion.github.io/python-uart-sfx6xxx/
- Size: 591 KB
- Stars: 0
- Watchers: 3
- Forks: 2
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.rst
- License: LICENSE
Awesome Lists containing this project
README
# Python UART Driver for Sensirion SFX6XXX
This repository contains the Python driver to communicate with a
Sensirion mass flow controller of the SFC6XXX family or a gas flow sensor of the SFM6XXX family over UART using the SHDLC protocol.
Click [here](https://sensirion.com/sfc6000) to learn more about the Sensirion SFC6XXX mass flow controller family.
Click [here](https://sensirion.com/sfm6000) to learn more about the Sensirion SFM6XXX gas flow sensor family.
## Supported sensor types
- [SFC6000](https://sensirion.com/products/catalog/SFC6000/)
- [SFC6000D-5SLM](https://sensirion.com/products/catalog/SFC6000D-5slm/)
- [SFC6000D-50SLM](https://sensirion.com/products/catalog/SFC6000D-50slm/)
- [SFC6000D-20SLM](https://sensirion.com/products/catalog/SFC6000D-20slm/)
- [SFM6000](https://sensirion.com/products/catalog/SFM6000)
- [SFM6000D-20SLM](https://sensirion.com/products/catalog/SFM6000D-20slm)
- [SFM6000D-50SLM](https://sensirion.com/products/catalog/SFM6000D-50slm)
- [SFM6000D-5SLM](https://sensirion.com/products/catalog/SFM6000D-5slm)
The following instructions and examples use a *SFC6000*.
## Connect the sensor
The sensor needs to be connected to a 24V power supply.
Plug in the evaluation kit cable to power and connect the USB port to your Raspberry Pi.
Please note that due to the delays introduced by the FTDI driver you can
reach a maximum sampling frequency of about 20Hz with this setup.
For special setups check out the sensor pinout in the section below.
RS485 interface pinout
| *Pin* | *Cable Color* | *Name* | *Description* | *Comments* |
|-------|---------------|:------:|----------------|------------|
| 1 | brown | VDD | Supply Voltage | +24V
| 2 | white | D+ | RS485 |
| 3 | black | D- | RS485 |
| 4 | blue | GND | Ground |
## Documentation & Quickstart
See the [documentation page](https://sensirion.github.io/python-uart-sfx6xxx) for an API description and a
[quickstart](https://sensirion.github.io/python-uart-sfx6xxx/execute-measurements.html) example.
## Contributing
We develop and test this driver using our company internal tools (version
control, continuous integration, code review etc.) and automatically
synchronize the `master` branch with GitHub. But this doesn't mean that we
don't respond to issues or don't accept pull requests on GitHub. In fact,
you're very welcome to open issues or create pull requests :-)
### Check coding style
The coding style can be checked with [`flake8`](http://flake8.pycqa.org/):
```bash
pip install -e .[test] # Install requirements
flake8 # Run style check
```
In addition, we check the formatting of files with
[`editorconfig-checker`](https://editorconfig-checker.github.io/):
```bash
pip install editorconfig-checker==2.0.3 # Install requirements
editorconfig-checker # Run check
```
## License
See [LICENSE](LICENSE).