Chapter 3 PLC System Configuration & Settings 3.1.4.9 Ethernet Port Advance Setting – IP Filter IP Filter sets the filter function of network devices. It is another acknowledgement mechanism to ensure the communication object is a device which is allowed by us. The function can limit the communication object. Only the devices in the IP address list are allowed to communicate with the CPU module after the IP filter function is enabled. The data packets sent from devices of other IP addresses will be discarded by the CPU module. The setting steps are shown below. Eighteen groups of IP address at most can be listed in the table.
Select IP Filter Function Enable checkbox to enable the IP filter function and type the start address and end address of group 1~8 IP. 3-95