Modbus Lufkin SAM Configuration

Device Tab

See the Common Modbus Configuration (Device Tab) page.

Time Sync Tab

Enable Time Synchronization

Default = Not selected. Select this to configure and allow requests to be made. 

Time Synchronization Configuration

Click  to select or create the Connection Object assigned to this device. See the Time Synchronization section for more details.

Time Synchronization Interval

Select the desired Time Synchronization Interval relating to the Schedule object assigned on the Connection tab. Time Synchronization checks occur on the frequency of this interval.

Time Synchronization Priority

• Low. Queues up with other Low priority items.
• Medium (Default). Interrupts Low priority items, and queues up with other Medium priority items.
• High. Interrupts Medium and Low priority items, and queues up with other High priority items.

Timezone

Default = UTC-06:00 Central Time (US & Canada).

Card Collection Tab

Collection Priority

• Low (Default).Queues up with other Low priority items.
• Medium. Interrupts Low priority items, and queues up with other Medium priority items.
• High. Interrupts Medium and Low priority items, and queues up with other High priority items.

Card Collection Interval

Select the desired Interval relating to the Schedule object assigned on the Connection tab. Record collection will occur at a frequency based on the configuration of this interval.

Card Collection

Default = Not selected. Select the appropriate Cards to be collected for Card Collection.

Card Meter

Click  to select or create the Meter Object assigned for the CycleLog. See the Meter section for more details.

Get Card Time

Default = 30. User defined time difference between surface card and pump card in the same card index. If time difference is less than defined, the pump card will use surface card time stamp. This field is in seconds.

Get Single Shutdown Card

Default = Selected. If selected, the system will retrieve only the most recent shutdown card in the stack.