More information needed on utils.create_logger

[Mike Spath]

Hello:

I'm trying to figure out how to best use the logger with modbus-tk

so far I use it to log to the screen but I'd like to have a log file.

logger = modbus_tk.utils.create_logger(name="console", record_format="%(message)s")

Thanks,

Mike

[Luc JEAN]

Hello Mike,

modbus_tk uses the standard logging mechanism of python. You will find all the possibilities in the doc of this module

Best

luc

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[Mike Spath]

Thank you for the information Luc but I'm afraid I don't follow along. So you are saying I need to import logging and use the standard logging functions in python? 

I just want to create a log file and dump messages in.

Thanks,

Mike

On Friday, June 14, 2019 at 11:27:39 AM UTC-4, luc wrote:

Hello Mike,

modbus_tk uses the standard logging mechanism of python. You will find all the possibilities in the doc of this module

Best

luc

Le 14 juin 2019 à 15:54, Mike Spath <mds....@gmail.com> a écrit :

Hello:

I'm trying to figure out how to best use the logger with modbus-tk

so far I use it to log to the screen but I'd like to have a log file.

logger = modbus_tk.utils.create_logger(name="console", record_format="%(message)s")

Thanks,

Mike

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[Mike Spath]

Hi Luc:

I have made such great progress with your help, thank you!

I have connected to a real PLC and my code can read registers(coils), write registers (coils) but the PLC can write registers (coils) but cannot write registers(coils) to me, the slave. The PLC and read/write all with the Simply Modbus slave (simulator software). Please let me know what I can do to troubleshoot. I'm going to try minimalmodbus as a library, not sre if thay will get me anything.

Please give any suggestion.

Thanks,

Mike

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Thank you,

Mike Spath

[Mike Spath]

correction, the PLC can write registers and coils but it cannot read registers and coils that the slave sets.

[Mike Spath]

Hi Luc:

You have not responded in a while, do I need to give more information? I have a simulated slave master software on a windows 7 machine using a usb to serial dongle that communicates great with my raspberry pi zero w board. The PLC can communicate with the same modbus slave simulator software. When I connect my raspberry pi slave to the PLC the PLC can write coils, registers but receives no replies from me, they are also unable to read any register or coil they set.

I tried to change settings on the serial port (timeout, baudrate, etc.) but no success.

I tried to use minimalmodbus and I cannot even get that to communicate with the simulation software.

Please offer some suggestion or reply. I'm in dire need of some suggestions.

Thank you,

Mike

[Luc JEAN]

Hello Mike,

I am sorry but I didn’t have time yo look at your issue. I gave you a few advices but it is difficult to say more and quite impossible to debug modbus issues by email.

Thansk for your understanding

Best

luc

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[Mike Spath]

Hi Luc:

No worries, thank you for your help. I'm so close to getting this to work....

Mike

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