The Dual-Timezone-Clock device displays the actual time in server time (UTC) and in in a second 'local' timezone which may be configured by the operator. The time offset between UTC and local time is configured at the device's maintenance page as a fixed number of hours, the device is not aware about daylight savings changes.
To make the device update its time once a second, the device should be configured as the only device in a device thread with the standard idle time of 1000 msec.
Device window pages
The following table shows which device window pages are available with this individual device type. Tool-bar functions not mentioned here are described at the general description of device windows .
--- Shows the actual time in UTC and in the configured 'local' timezone.
--- The device info page.
--- The maintenance page. The configuration parameters described below are set at this page.Configuration parameters
At the maintenance page of the device window you can define the time offset and the label for the 'local' time provided by the device.
| parameter | description |
|---|---|
| offset | The offset to be added to UTC in order to result in the displayed local time. The offset either may be entered in hours (integer or floating point) or in a "HH:MM" format. Both formats may be preceded by a "-" sign. |
| description | This text is displayed in front of to the 'local' time field in the device screen of the device. You may enter a timezone name, the name of a city or any text which uniquely identifies the 'local' timezone. |
Variables defined by this device driver
| name | type | flags | range |
|---|---|---|---|
| info.driver | TEXT | R/O | StringRange R/O |
| info.type | TEXT | R/O | StringRange R/O |
| info.port | TEXT | R/O | StringRange R/O |
| info.frame | TEXT | R/O | StringRange R/O |
| config.offset | TEXT | SAVE SETUP | StringRange |
| config.description | TEXT | SAVE SETUP | StringRange |
| utc.time | TEXT | R/O | StringRange R/O |
| utc.label | TEXT | R/O | StringRange R/O |
| local.time | TEXT | R/O | StringRange R/O |
| local.label | TEXT | R/O | StringRange R/O |
| faults.01 | ALARM | R/O | AlarmFlagRange R/O (Circuit) |
| faults.02 | ALARM | R/O | AlarmFlagRange R/O (Configuration Setup) |
| faults.99 | ALARM | R/O | AlarmFlagRange R/O (Communication) |