juanpancho88
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Posts posted by juanpancho88
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Hi, I'm trying to do almost same thing, but only one PLC (Vision 1210). It is Master when comunicating with a rpm driver trough serial. And it is Slave when I try to communicate from software in my laptop trough ethernet (software creates a master instance). PLC works perfect when controlling rpm driver. From laptop to PLC the connection is established (I open a tcp/ip connection using IP and port 502 of PLC and it says "OK" without errors), but when try of read holding registers nothing happens.
I know there are two sources of error: 1) software is not asking properly for the registers. 2) PLC setting are wrong.
I ask you to give a look in my PLC configuration and tell me if you see any problem.
Thank you in advance.
Juan
Extra info: PLC Vision 1210, software is LabView. Visilogic version 9.8.64. Win 7 32-bit
V570 acting as both Master and Slave
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
Posted
Thanks for your advice Flex727. I break code in simpler rungs and check every socket parameter and it works! I'm reading holding register from my software through TCP/IP Modbus.
Best regards!
Juan