Using the Automatic Clock Adjustment FunctionSection 5-2

5-1-2 Specifications

Item

Specification

 

 

 

Protocol

SNTP

 

 

 

 

Port number

123 (UDP)

 

 

Can also be set from the CX-Programmer in the Unit Setup.

 

 

Adjustment timing

Automatic (fixed time) and manual (manual only cannot be

 

set)

 

 

 

 

Access to SNTP

Writes the clock information

Obtains the clock information

server

from the SNTP server to the

from the SNTP server set up

 

local CPU Unit.

on the Network, and applies

 

 

the information obtained to

 

 

the local CPU Unit.

 

 

 

Refresh timing

When the automatic clock adjustment switch is turned from

 

OFF to ON and at a specified time.

 

 

 

5-2 Using the Automatic Clock Adjustment Function

5-2-1 Procedure

1.Make the basic settings.

Refer to SECTION 2 Installation and Initial Setup in the Ethernet Units Operation Man- ual Construction of Networks (W420).

2.With the CX-Programmer online, set the following items in the Unit Setup (CPU Unit System Setup).

SNTP server specification (required)

Access to the SNTP server is enabled when writing clock information from the SNTP server to the local CPU Unit when the Automatic Clock Adjustment Switch is turned from OFF to ON and at a set automatic adjustment time.

Automatic clock adjustment setting

3.To perform automatic clock adjustment manually, turn the Automatic Clock Adjustment

Switch from OFF to ON.

n = CIO 1500 + (25 unit number)

4.Select Transfer to PLC from the Options Menu and click the Yes Button. The Unit Setup (CPU Bus System Setup) will be transferred to the CPU Unit (the setting data will be transferred to the CPU Bus Unit System Setup Area).

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Omron CJ1W-ETN21 operation manual Using the Automatic Clock Adjustment Function, Specifications