OPC Group Time Bias. Remote Automation Solutions OpenEnterprise OPC Client RDI

Reference Guide

D301518X412

April 2012

1.4.4.7 OPC Group Time Bias

OPC Client RDI Configuration

Used to indicate a difference in time zone between the device(s) from which the data for this group was collected, and that in which the client and server are located. This is ignored by the Server and is used by the OPC Client in providing correct time stamp conversion to UTC for all OPC Items within the group. This is on top of any time zone and DST conversion configured within the OpenEnterprise

Server.

1.4.4.8 OPC Group Active

Indicates whether the OPC Group is Active and therefore if it will report unsolicited data changes to the OPC Client RDI. As a general rule, set the OPC Group and it's OPC Items to be Active.

1.4.4.9 OPC Group Cache Poll Type

Indicates that when performing a force poll the item values are requested from the OPC Servers cache rather than the device.

1.4.4.10 OPC Group Device Poll Type

Indicates that when performing a force poll the item values are requested from the OPC Server's device rather than the OPC Server's cache.

1.4.4.11 Access Area

This field defines the Access Area of the object. A drop-down list reveals all available Access Areas for selection.

1.4.4.12 OK Button

If this button is selected, the dialog will close, and changes made on the dialog will be entered into the

OpenEnterprise database.

1.4.4.13 Cancel Button

If this button is selected, the dialog will close, but no transaction with the OpenEnterprise database will be made. Changes made on the dialog will be lost.

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