Configuration of the Real-Time Clock

The real-time clock of the controller can be adjusted via the Services tab of the controller configuration.

The Services tab provides the following possibilities:

Element

Description

PLC Time field

Displays the date and time read from the controller when you click the Read button, with no conversion applied. This read-only field is initially empty.

Read button

Reads the date and time saved on the controller and displays the values in the PLC Time field.

Local time fields

Defines a date and time to send to the controller when you click the Write button. If necessary, modify the default values before clicking the Write button. A message box informs you about the result of the command. The date and time fields are initially filled with the PC settings.

Write button

Writes the date and time defined in the Local time fields to the logic controller. A message box informs you of the result of the command.

Synchronize controller with computer’s date/time button

Sends the PC date and time. A message box informs you of the result of the command.