2008年2月25日 · Hi, I'm working with an industrial PLC using the modbus protocol to communicate. What I noted is that with the libmodbus implementation there's a strange …

2011年9月27日 · Hi, I am using a ARM based development platform. I have made sure modbus.h exists in the usr/include folder. I am trying to communicate with a plc which is a modbus slave …

2011年9月21日 · Language: English Edit question Status: Solved For: libmodbus Edit question Assignee: No assignee Edit question Solved by: jeffrey Solved: 2011-09-28 Last query: 2011 …

2009年5月20日 · Hi (this is my first post hero on launchpad, hope I post in right place) I have libmodbus 2.0.3 and some problems with CRC errors. I'm writing a modbus Master that …

2009年6月19日 · ASCII support in libmodbus Asked by Ajith James on 2009-06-19 Hiii I am using the libmodbus, I have to communicate with a modbus client simulator which is in serial ascii. Is …

2011年8月17日 · Hi, in my application is libmodbus used for communication per TCP. the issue is, if libmodbus provides a possibility to test current tcp connection, i want to check the tcp …

2011年9月27日 · I am coding a small application that use modbus, I'm using libmodbus I have a pci card (2 serial port + 1 parallel port) + RS232 <-> RS485 converter I wired the PC with the …

2012年4月11日 · When using modbus_receive() is there a way to timeout after a certain period or does it wait in-definitely? I have a multi-threaded application and I need to update my …

2008年3月13日 · Hi all, Just downloaded libmodbus 1.2.3 and edited the file src/Makefile.am according to revision 18. Then compiled and installed. Then I added a /usr/local/lib/ line to my …

2011年10月14日 · I am having same problem. How did u concluded that it is hardware problem.