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Project Description

A simple Modbus/TCP client library for Python.

Since version 0.1.0, a server is also available for test purpose only (don’t use in project).

pyModbusTCP is pure Python code without any extension or external module dependency.

Test

The module is currently test on Python 2.6, 2.7, 3.2, 3.3 and 3.4.

Status:

Setup

You can install this package from:

PyPI, the easy way:

sudo pip install pyModbusTCP

GitHub:

git clone https://github.com/sourceperl/pyModbusTCP.git
cd pyModbusTCP
sudo python setup.py install

Install the current devel-release:

sudo pip install git+https://github.com/sourceperl/pyModbusTCP.git@devel

Usage example

See examples/ for full scripts.

include (for all samples)

from pyModbusTCP.client import ModbusClient

module init (TCP always open)

# TCP auto connect on first modbus request
c = ModbusClient(host="localhost", port=502, auto_open=True)

module init (TCP open/close for each request)

# TCP auto connect on modbus request, close after it
c = ModbusClient(host="127.0.0.1", auto_open=True, auto_close=True)

module init (with accessor functions)

c = ModbusClient()
c.host("localhost")
c.port(502)
# managing TCP sessions with call to c.open()/c.close()
c.open()

Read 2x 16 bits registers at modbus address 0 :

regs = c.read_holding_registers(0, 2)
if regs:
    print(regs)
else:
    print("read error")

Write value 44 and 55 to registers at modbus address 10 :

if c.write_multiple_registers(10, [44,55]):
    print("write ok")
else:
    print("write error")

Documentation

Documentation available online at http://pythonhosted.org/pyModbusTCP and on doc/html/index.html.

Release History

Release History

0.1.1

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.0.13

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pyModbusTCP-0.1.1.tar.gz (13.3 kB) Copy SHA256 Checksum SHA256 Source May 30, 2016

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