10-3
10 Automatic Clock Adjustment
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
10-2 Procedure to Use the Automatic Clock
Adjustment Function
10
10-2-1 Procedure
10-2 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
Make the following settings in the Special Unit Setup in the Controller Configurations and Setup
of the Sysmac Studio. Set the following on the SNTP Settings Display.
• SNTP server settings (required)
• Specified time to access the SNTP server
3
To manually adjust the clock information, change the Adjust Clock Bit (*_AdjTmCmd) variable to
TRUE.
4
Select Synchronization from the Controller Menu. The EtherNet/IP Unit settings are trans-
ferred to the CPU Unit.
The following EtherNet/IP Unit Settings are made from the Sysmac Studio to use automatic clock
adjustment.
Make the settings in the SNTP Settings Dialog Box if automatic clock adjustment is used. Refer
to 5-5 SNTP Settings Display for information on the SNTP Settings Dialog Box.
10-2-1 Procedure
10-2-2 Settings Required for Automatic Clock Adjustment
Tab page Setting Setting conditions Reference
SNTP SNTP server clock infor-
mation
Required. page 5-7
Port No. Specified by user.
Note Required to change from the default value of
123.
Server specifying method Required.
IP address One of these must be set, depending on the Server
specification type setting.
Host name
Time Required.
Timeout time Specified by user.
Note Required to change from the default value of
10 seconds.
Time difference adjust-
ment
Specified by user.
Note Required to change from the default value of
+0:0.