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While Modbus RTU is not currently supported in the protocol, it is possible to extend the system to include this feature.
Current protocol;
```bash
0
```
New protocol:
```bash
0 …
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## libmodbus version
libmodbus-3.1.11
## OS and/or distribution
Arch Linux AUR (libmodbus compiled from source), Docker (Alpine)
## Environment
x86_64, aarch64
## Description
I …
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I have a box that allows me to talk to multiple (micro) inverters over a single modbus-tcp connection, but that box doesn't handle more than one TCP connection at a time.
To query all inverters us…
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trying to read (and write) several modbus registers first I got wrong readings.
it was necesssary to use
```
mb.readHreg(remote, REG, &res); // Initiate Read Coil from Modbus Slave
…
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### The problem
We have an installation of home assistant for our irrigation system that works with modbus RTU over TCP.
Home assistant is connected to a PLC wich controls valves. We use home assis…
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I'm trying to add a coil to my working specification (with only holding registers), but it fails to read it.
I remeber that modbus2mqtt uses the same modbus api as nodered, so I tried to replicate th…
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### Description
**UPDATE** - I've just tested it with firmware release v1.23 -0 and it works, at least the provided samples seem to.
I've tried for most of the day yesterday to get this to work …
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Hello
I have 2 Slave
(Homeassistant 192.168.178.56)
Solvis WP 192.168.178.67
Sungrow WR 192.168.178.84
Both connected to tcp-port 502.
Both works in HA, but the connection is sometime a d…
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The value int16 is incorrect, needs to be changed to 32 but there is a mistake in sungrow protocol which calls for it to be uint, that is a mistake, the final result should remain int32
- nam…
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Good morning, can someone help me to connect my solar inverter "AlphaESS Smile5" via "PUSR RS232 RS485 Modbus RTU" in Home Assistant? 1-Inverter enabled Modbus in slave mode 2- I am using canRs485 out…