Difference between revisions of "Modbus RTU serial port"

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(Created page with "<p>In order to use a serial port, (pwrp) user must be a part of '''dialout''' group<br />The port device (name) may be /dev/ttyS0 (for a pci card) or /dev/ttyMI0 (Moxa card) o...")

Revision as of 05:27, 6 August 2013

In order to use a serial port, (pwrp) user must be a part of dialout group
The port device (name) may be /dev/ttyS0 (for a pci card) or /dev/ttyMI0 (Moxa card) or /dev/ttyUSB0 (usb/serial converter) 


chmod 0777 /dev/ttyS0

chmod a+rw /dev/usb/002/003

ls -l /dev/ttyS0

lsusb

dmesg | grep tty

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