slmp-connect-python 1.0.0

SLMP Connect Python: client library for MELSEC SLMP binary communication

MELSEC SLMP for Python

Python library for MELSEC SLMP (Binary 3E/4E) PLC communication.

Supported PLC profiles

The maintained profile table is in PLC profiles. Choose one exact canonical PLC profile from that table.

Supported device types

The maintained device and range tables are in Supported registers. Use that page for supported device families, address syntax, and profile-specific notes.

Installation

pip install slmp-connect-python

Quick example

import asyncio
from slmp import SlmpConnectionOptions, open_and_connect, read_typed

async def main() -> None:
    options = SlmpConnectionOptions(host="192.168.250.100", port=1025, plc_profile="melsec:iq-r")
    async with await open_and_connect(options) as client:
        value = await read_typed(client, "D100", "U")
        print(f"D100={value}")

asyncio.run(main())

Documentation

Page	Use it for
Full documentation site	Unified docs for all PLC communication libraries.
Getting started	Install the package, connect to your PLC, and run your first SLMP read/write.
Usage guide	Use the high-level API and common SLMP workflows.
Supported registers	Check supported device families, address syntax, and numbering rules.
PLC profiles	Choose the canonical MELSEC profile and frame behavior.
Examples	Run maintained Python samples.

Hardware verified

Live-device verification is maintained in Latest communication verification. See that page for verified PLC models, transports, dates, limitations, and retained validation notes.

License and registry

Item	Value
License	MIT
Registry	PyPI
Package	slmp-connect-python