OPC Classic Server Limits
The following constraints apply when working with the In-Sight OPC Classic Server:
| Operating Parameter | Limit |
|---|---|
|
Allowable characters in a tag name |
See the OPC Tag Naming Rules. |
|
Allowable characters in a sensor name |
Upper case alphabetic characters ( A-Z ) Lower case alphabetic characters ( a-z ) Numeric characters ( 0-9 ) Colon ( : ) Underscore ( _ ) Hyphen ( - ) Period ( . ) |
|
Length of OPC Tag name (minimum) |
1 character |
|
Length of OPC Tag name (maximum) |
31 characters |
|
Length of sensor name (minimum) |
1 character |
|
Length of sensor name (maximum) |
63 characters |
|
Number of event log entries (minimum) |
10 |
|
Number of event log entries (maximum) |
60000 |
|
Number of OPC Tags that can be assigned to a single cell |
1 |
|
Writable In-Sight spreadsheet cell types1 |
EditFloat, EditInt and EditString |