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stlehmann / pyads

Python wrapper for TwinCAT ADS
MIT License
252 stars 93 forks source link

Cannot read data from linux22.04 to window10 #341

Closed hovandieu closed 1 year ago

hovandieu commented 1 year ago

I have created a program that reads data of twincat3 program running on windows10 using the program running at linux22.04 image The router is created successfully and I have created a connection to the program in Twincat3 on my windows 10 machine. However, when reading data from the program in Twincat3, the error is generated as below: image I have turned off the firewall on my windows10 machine but still can't read or write data for the program in Twincat3

chrisbeardy commented 1 year ago

It looks like you are creating a connection to the wrong AMS net ID. You should use the NET ID of the PLC in pyads.Connection.

e.g.

plc = pyads.Connection("169.254.136.152", 851)

hovandieu commented 1 year ago

image

169.254.69.79 is IP connect to PLC device 169.254.136.152 is IP from router. In NUC pc run operation sytem linux 22.04 can ping to this ip.

It looks like you are creating a connection to the wrong AMS net ID. You should use the NET ID of the PLC in pyads.Connection.

e.g.

plc = pyads.Connection("169.254.136.152", 851)

-> 173.31.128.1.1.1 is AMS NET ID of PLC. i think it correct with syntax of pyads.connection()

hovandieu commented 1 year ago

In one network, i have NUC PC run linux 22.04 and create pyADS program to connect with Laptop Window 10 (run Twincat3 has AMS NETID = 173.31.128.1..1.1). In laptop have 2 IP: 169.254.69.79 is IP connect to PLC device 169.254.136.152 is IP get from router.

And in Laptop (Twincat3), result when i click Broadcast Search is nothing.