Cannot ping PAC3200

anyone who has the solution to this, the same problem i have
pac3200 ip address is 192.168.1.225;

Subnet:255.255.255.0

Gateway:192.168.1.1

Protocol:Modbus TCP
 

connected to hub switch

in my pc i cannot ping the pac3200. my PC ip address is 192.168.1.114

Subnet:255.255.255.0
Gateway:192.168.1.1

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Split from Pac3200 Communication Problem (I can't ping ip address of PC3200 through the HMI or PC).