GX Works2 PLC-PLC communication

Agrue

Member
Join Date
Jun 2018
Location
Earth
Posts
7
hello,

I'm trying to set up communications between two Mitsubishi L series PLCs using the built in Ethernet port. All of the information I can find online is for GX Works 3 which unfortunately I don't have access to.

Can anyone point me in the right direction for this? I'd prefer to use modbus tcp if possible.
 
It is almost identical, when you run GXW2 it is almost the same as GXW3, only on the other processors does it have a different IDE, for the Q series if you try to open a project in GXW3 it runs GXW2, for the L etc. it runs GXW3 but it is almost the same IDE as GXW2.
Here is the communications manual for the L series
https://dl.mitsubishielectric.com/dl/fa/document/manual/plc/sh080891eng/sh080891engs.pdf

Also it can be done in GXDeveloper but shows different IDE.
 
thanks! The manual is really helpful.

It seems that I can't use the Simple Communications option as my PLCs and GX Works aren't new enough, can you recommend one of the other protocols please? GX Works 3 had an option for modbus tcp but that doesn't seem to exist in GXW2
 
Youtube seems to show plenty using GXW3 but here is one for GXW2 not watched it though.

https://www.youtube.com/watch?v=toy_ayfJ84o

I have never done PLC to PLC on mitsi using Ethernet we normally use ethernet to scada then use NETH cards for plc to plc however, it should be possible using Melsoft connection so set up using this type of connection.
I'm afraid I cannot help any further as I do not have access to any L processors or even two Q processors with Ethernet at the moment. perhaps Afredo who is often on here can help.
 
SLMP is very easy and it's simplicity is it's power. However, as you sad that you prefer Modbus TCP/IP, find library attached.
 

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