Choose a Python library for modbus communication.

synchrotron-solaris / dev-solaris-adam

Universal Tango device server for ADAM devices.

GNU Lesser General Public License v3.0

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Choose a Python library for modbus communication. #1

Closed wkitka closed 7 years ago

wkitka commented 7 years ago

Proposed start point: https://stackoverflow.com/questions/17081442/python-modbus-library

Patfra commented 7 years ago

Are we using Modbus TCP, Modbus over TCP or different type of Modbus protocol? I ask about that, because on the proposed site I have found information, which states that:

modbus-tk is the best option for RTU/TCP connection, but supports only them,
pymodbus provides support for TCP, UDP, Serial ASCII, Serial RTU, and Serial Binary I reject MinimalModbus, because it has bad performance when there are many units in the network

wkitka commented 7 years ago

It looks like ADAM devices from other issues are using Modbus TCP.

LJBD commented 7 years ago

Yeah, I think that if modbus-tk is sufficient, we can go for it. You might also try to connect to a real ADAM device and then check if you have any preferences when it comes to API of either library.