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Hi all,
Thanks to everyone, for sharing the valuable information, in this thread. You are all been very helpful, indeed.
My question, rather problem, is that I am using Wavecom Multiband 900E 1800 modem, for the same purpose. But in this thread, though very helpful, but it is primarily for...
You are right, FvM. I overlooked your point, I thought it was about wire polarity. Thanks for the reminder. I will change 'RTS polarity' and will inform you.
Auto RTS is really a nice idea. I will certainly give it a try.
Regards.
Thanks for your valued replies. I have already tried changing the polarity of A & B. One combination results in receiving some data, which is claimed as 'illegal response' by Modbus Tester software from Modbus in embedded systems and in other polarity I receive the same transmitted data, but...
Hi edaboarders,
I have Prolific PL2303, USB to RS232 converter, which is working fine. Now, I have to communicate to Conzerve EM6400 meter, which has 2 wire, RS485 interface. I have tried standard SN75176 based circuit connected after pl2303, but my Modbus tester software always gives 'illegal...
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