Associated with each OPC item value is an indicator of the quality of that value. This is known as the OPC item quality. The quality of an item is based on whether or not the physical device has provided a value for the Item ID or not.
The GagePort Mitutoyo OPC Server supports a subset of quality flags specified in the OPC Foundation Data Access standard. The supported quality statuses and sub-statuses are listed below.
|
OPC Status |
OPC Sub-Status |
Description |
|
Good |
N/A |
A value has been sent by the physical device for the OPC item. |
|
Bad |
N/A |
A value has not yet been received for the OPC item. The value is unknown. |
|
|
GagePort Mitutoyo OPC item naming convention. |
