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https://github.com/peff74/hanmatek_hm605

Add Modbus connection to HM605 / eTM-605MF (maybe HM310, too)
https://github.com/peff74/hanmatek_hm605

etommens hanmatek hm310 hm605 modbus psu

Last synced: about 2 months ago
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Add Modbus connection to HM605 / eTM-605MF (maybe HM310, too)

Host: GitHub
URL: https://github.com/peff74/hanmatek_hm605
Owner: peff74
Created: 2024-06-26T09:57:01.000Z (6 months ago)
Default Branch: main
Last Pushed: 2024-08-01T08:57:01.000Z (5 months ago)
Last Synced: 2024-08-01T10:24:50.787Z (5 months ago)
Topics: etommens, hanmatek, hm310, hm605, modbus, psu
Homepage:
Size: 7.48 MB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

Awesome Lists containing this project

README

        # HM605 

![AHT20_BMP280 logo](https://github.com/peff74/hanmatek_hm605/blob/main/HM605.jpg)

The HM605 is a very practical and cheap power supply manufactured by etommens and sold through Hanmatek OEM.

It is very easy to use and has a fairly low ripple voltage.

And with a few simple steps, you can make it Modbus enabled.  

## What do to

![AHT20_BMP280 logo](https://github.com/peff74/hanmatek_hm605/blob/main/HM605_case.jpg)

![AHT20_BMP280 logo](https://github.com/peff74/hanmatek_hm605/blob/main/HM605_port.jpg)

- remove housing

- remove display board

- solder in a pin header

- reassemble everything

- check in Setup (long press on Voltage) that Modbus is active

## How it works

- use a TTL to USB with 3.3V logic level!!!

- only GND (G) TX (T) and RX (R) are sufficient

- TX and RX must be crossed

- use a terminal programme of your choice

- connect with 9600 8 N 2

- send 01 03 00 10 00 01 85 CF as HEX

- now you get the current voltage as a HEX value

- more details in the ModBus-V2.2.pdf file

## Example Output

    coming soon

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