weintek MT8070iE to Wago 750-881 via MODBUS TCP/IP results in PLC no repsonse

[Gaz25]

I have a Weintek MT8070iE HMI connected to a Wago 750-881 PLC via an Ethernet cable. The communication is set to MODBUS TCP/IP protocol.
The problem I have is that on the HMI, I get a message PLC no Response.

Here are the things that I have tried.

I have set the dip switches on the Wago PLC so that the IP address is 192.168.1.100

Connected a laptop to the PLC and sent some modbus commands and received expected replies so I know the PLC is OK.

Tried both cross-over and straight though Ethernet cables between the PLC and HMI

I can connect to the HMI though the PLC and download programs to it so I know the connection is there.

I have included screenshots of the settings on HMI for the PLC.

 

[keithkyll]

Try 8000 for the port. You have it at 502 now.
Did you set the IP address in the HMI. Not sure about the e series. You have to do that on the older ones.