Omron NX102-12 Series User Manual

13-1
Automatic Clock Adjustment
13-1-1
Overview
The built-in EtherNet/IP port reads clock information from the NTP server and updates the internal
clock time in the CPU Unit at the specified time or at a specified interval after the power supply to the
Controller is turned ON.
Built-in EtherNet/I
P port
NTP client
NTP clientNTP client
• At specified times or at specified intervals
• When power supply is turned ON to CPU Unit
Clock data is obtained from the NTP server and
written to the CPU Unit at the following times.
Time query sent.
Time information written.
Automatic clock adjustment
NTP server
Ether
net (EtherNet/IP)
23:59:59
The NTP (Network Time Protocol) server is used to control the time on the LAN.
13-1-2
Specifications
Item Specification
Protocol NTP
Port No. 123 (UDP)
However
, you can change the port number in the Built-in EtherNet/IP Port Settings on
the Sysmac Studio.
Access to NTP server Writes the clock informa-
tion from the NTP server
to the local CPU Unit
.
Obtains the clock information from the NTP server set up
on the Network, and applies the information obtained to
the local CPU Unit.
NTP Operation Timing Clock information is automatically updated at the following times if the NTP function is
used.
• After links are established when the power supply to the Controller is turned ON
• At specified times or at specified intervals (according to the option selected for the
NTP operation timing)
Clock information is updated at the following times.
At spe
cified times or at
specified intervals*
2
At specified times or
at specified intervals*
2
When links are
established.*
1
NTP command sent
(clock information update)
NTP command sent
(clock information update)
NTP command sent
(clock information update)
*1. This is performed when the Get Option is selected for the NTP server clock information in the NTP
Settings Display
.
*2. Depends on the option set for the NTP operation timing in the NTP Settings Display.
13 Automatic Clock Adjustment
13-2
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)

Omron NX102-12 Series Specifications

General

Brand	Omron
Model	NX102-12 Series
Category	Controller
Language	English