Configuration of the Time Synchronization Service (NTP)
Original instructions
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Configuring the Time Service with the NTP Configuration Page
You must use the module’s embedded Web page to configure the time service for all TSX ETY modules, except the TSX ETY 5103 module. For the TSX ETY 5103 module, you may configure the NTP service via Control Expert as long as the module is version 4.6 or later. For any earlier version, you must configure the NTP service via the module’s embedded Web page.
Time Service Command Buttons
Execute the following commands:
Command Button
Description
Save
Stores new NTP (time service) configuration. Previous configuration is no longer valid.
Cancel
Cancels new NTP (time service) configuration. Previous configuration is valid.
Disable NTP
IP of Primary and Standby set = 0.
NTP server not polled.
Time in controller not updated.
Configuring the Time Service via the NTP Tab in Control Expert
NOTE: You can configure the NTP service via Control Expert with a Premium platform. The TSX ETY 5103 module must be version 4.6 or later. For any earlier version, you must configure the NTP service via the module’s embedded Web page.
The following procedure shows you to access the NTP tab from the index page:
Step
Action
1
Access the module configuration screen.
2
In the Module Utilities field, select YES in the NTP menu. The other options are NO for no NTP configuration and WEB for NTP configuration through the module Web pages.
3
Select the NTP tab.
Changing Time Service Parameters
To make any changes to the time synchronization service:
Step
Action
1
Enter changes in the appropriate field on the NTP Configuration page for one or all of the configurable parameters.
2
Click Save.
Important Information about the Time Service
NOTE:
About the time service:
  1. Enable/disable daylight savings time parameter
    If the Enable/Disable check box is selected, the module automatically corrects the local time to account for daylight savings time. Therefore, no action is required, as the daylight savings time start and end are automatically changed each year.
  2. Polling time parameter
    The time (in seconds) is the time between time updates from the NTP server. The default is 5 seconds.
  3. Storing the time service configuration
    The last time service configuration is saved internally in the Ethernet module.
  4. Replacing the Ethernet module
    If the Ethernet module has to be replaced, the stored configuration is lost, and the system returns to the default configuration.
Customizing Time Zone Parameters
If you want a time zone not listed in the time zone table:
Step
Action
Comment
1
Write the text rules for the custom time zone.
2
Using an FTP client, store your rules in the file:
/FLASH0/wwwroot/conf/NTP/customrules
user ID: ntpupdate
password: ntpupdate
Root directory to store 'customrules' is set by the FTP server as
/FLASH0/wwwroot/conf/NTP
3
When the rules are written, choose the drop down menu on the NTP Configuration web page, and configure (or reboot) the module by selecting
Time Zone = Custom
The NTP component looks for customrules, calls the tz compiler and generates a new file called 'tz_custom'. This file is binary file and should not be edited.
If the tz compiler detects a syntax error in customrules, the error is logged in the file:
/FLASH0/wwwroot/conf/NTP/error.log
  1. NTP component is not launched.
  2. NTP Status field in diagnostic web page displays NOT OK.
4
If you want more information, the syntax to write those rules along with a few examples are found in the module in:
/FLASH0/wwwroot/conf/NTP/instructions.txt