11   Automatic Clock Adjustment
11-4
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
11-2 Procedure to Use the Automatic 
Clock Adjustment Function
1
Make the basic settings.
Refer to 1-5 EtherNet/IP Communications Procedures for the flow of basic operations.
2
Select Built-in EtherNet/IP Port Settings from the Controller Setup on the Sysmac Studio,
and then set the following on the NTP Settings Display. 
• NTP server settings (required)
• NTP operation timing
3
Select Transfer to Controller from the Controller Menu and click the Yes Button. The built-in
EtherNet/IP port settings are transferred to the CPU Unit.
The following Built-in EtherNet/IP Port Settings are made from the Sysmac Studio to use automatic
clock adjustment.
11-2-1 Procedure
11-2-2 Settings Required for Automatic Clock Adjustment
Tab page Setting Setting conditions Reference
NTP NTP server clock information Required. 11-2-3 NTP 
Display
Port No. Specified by user.
Note Required to change from the 
default value of 123.
Server specifying method
Required
*1
IP address One of these must be set, depending on 
the Server specification type setting.
Host name
NTP operation timing
Required
*1
Specify a Time One of these must be set. (Set according 
to the option selected for the NTP Oper-
ation Timing.)
Specify a time inter-
val
Timeout time Specified by user.
Note Required to change from the 
default value of 10 seconds.