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Plug the RS485
（
DB9M
）
of ES-ETH-PPI into the S7-200PLC RS485 socket and power on the PLC.
The same local area network (router) can connect multiple ES-ETH-PPI, but the same IP address
is not allowed, there will be conflicts if the same IP , and it only shows one of IP and abnormality.
You can press the Default button on the ES-ETH-PPI any time that could make it restore to the
factory dafault.
IP=192.168.0.250
，
Username=admin
，
Password=admin
You need to check your computer's IP address and gateway address, and confirm your computer
is in the normal Internet access, in the next setting, you need to set the gateway of ES-ETH-PPI as
same as the gateway of computer and router, that is to say, the ES-ETH-PPI and computer are in
the same subnet, all equipments in this subnet and routers have the same gateway.
Right-click Network Neighborhood> View Network Connection> Properties, then pop up “Local
Area Connection Properties” window:
Select the General page; click the Properties then pop-up the following window, record the IP
address and the gateway of the computer for later use:
