Dear Friends,
Does anybody have any exprience with m1306b and ABB PM571 PLC.
I tried lots of things but no succsess 
PINS For PLC
5 RTS
6 TxD
7 SGND
8 RxD
9 CTS
Parameters of PLC are:
9600 8N1 (Modbus Slvae mode Modbus ID 56)
Parameters for Modem:
9600 8N1
I can connect to modem with its original cable via PC and Hyperterminal
I can connect to PLC with its original cable via PC
But when I connect them with eachother nothing works (
Best Regards
You have made an specific cable, don’t you?
Are you sure that you have the correct cable?
Remember that the modem is a DCE - so TX is an input and RX is an output…
viewtopic.php?f=37&t=1445&p=5368&hilit=DCE+DTE#p5368
viewtopic.php?f=53&t=3081&p=11355&hilit=DCE+DTE#p11355
“Nothing works” is unhelpful - what were you expecting to happen?
Hi
We are trying to compile Modbus library in OpenAT
but facing troubles in MODBUS-RTU file as the file is looking for
TERMIOS header file which is not the part of toolchain which sierra has provided.
Is there any other toolchain which contain TERMIOS file or is there
any other header file which contains TERMIOS functionality
Regards
Himanshu