My boss bought me a new mitsubishi PLC fx3g equipped with fx3g-232-bd Rs232 port. I have searched in NI Forum.. google.. do some trial but still failed to communicate
It looks like I missed some step maybe on cable wiring or method of programming.
My laptop installed with Labview 2014 & NI VISA
Please help to answer my below questions :
1. I have confirmed the PLC is blank without any setting & program loaded.
Should I do setting on PLC itself for address & serial setting using any mitsubishi GX program before connect to Labview? or Labview able to connect & control the PLC directly?
2. I am using custom connection from Laptop - USB to RS232 converter - custom RS232 to fx3g-232-bd port. I have try both wiring connections.
Wiring method 1 non protocol comm. (Connection#1) & Wiring method 2 modbus (Connection#2)
3. I have try run command using basic PLC command & Labview Modbus library command
Command method 1 format 1 (Command#1) & Loopback (CommandTT) & Command method 2 modbus (Command#2)
I am appreciate your help & Thanks in advance.