8.2.9 Ethernet Port Advance Setting – IP Filter 
IP Filter
 sets the filter function of network devices. Devices whose IP addresses are listed in the table are allowed to 
communicate with the CPU module; the CPU module discards data packets sent from devices whose IP addresses 
are not in the table. Devices on a network are filtered. This setting ensures that objects communicating with the CPU 
module are known devices. You can set up to 8 address ranges for allowed devices.   
 
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.   
 
8.2.10 Ethernet Port Advance Setting – NTP 
You can use 
NTP 
table to enable the CPU module and adjust time via NTP server. Relevant parameters are set here. 
For more information on NTP, refer to related literature and manuals.   
 
 Select 
NTP Client Function Enable
 checkbox to enable the function. 
 Set the address of NTP server and cycle of constant update. Take the figure above as an example. The CPU   
 module connects to the NTP server every 30 minutes. 
 Set up the time zone for the daylight saving time area. 
 
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