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Showing results 1 - 25 of 2053

knowledge base - KB87494

Published:

Opto 22 Knowledgebase

GRV-EPIC-PR1 host task locks up when examining errors on certain channel types

When you attempt to view the error messages in the processor's Message Queue that involve some of the new types of groov modules, the host task may lock up; in addition, PAC Control or PAC Terminal...more

knowledge base - KB87424

Published:

Opto 22 Knowledgebase

No warning generated in error queue if strategy I/O configuration does not match physical I/O

For I/O on a GRV-EPIC-PR1 I/O unit, no warnings are generated in the control engine error message queue when a strategy is run with an I/O configuration that specifies a channel type that is not...more

knowledge base - KB87464

Published:

Opto 22 Knowledgebase

Replace Tags for Entire Project misses historical log's "String Name" tag

The Replace in Entire Project feature (PAC Display Configurator > Edit > Replace > Search Scope = Entire Project, Search For = Control Engine) doesn't update control engine tag in the...more

knowledge base - KB87457

Published:

Opto 22 Knowledgebase

PAC Display Configurator won't finish loading project

Sometimes when you open a project in PAC Display Configurator, you'll see the typical "loading" messages (for example, "Verifying and reading in data" or "Reading internal...more

knowledge base - KB83184

Published:

Opto 22 Knowledgebase

OptoDataLink connection error: The ConnectionString property has not been initialized

If your OptoDataLink project has data links that connect to different databases, when you view or try to modify the links, OptoDataLink may display a connection error message that reads, "Could not...more

knowledge base - KB87492

Published:

Opto 22 Knowledgebase

PAC Control: Chart ".$cht contains an incorrect path" warning

When a strategy resides on a drive other than your computer's C:\ drive, PAC Control will display a warning message when you go into Debug mode (Mode > Debug). The message shows the path and name...more

knowledge base - KB85353

Published:

Opto 22 Knowledgebase

Cannot communicate to GRV-EPIC-PR1 through Modbus/TCP

When you try to communicate to the GRV-EPIC-PR1 (as a Modbus/TCP slave device) from a Modbus/TCP Master software application, communication cannot be established.

knowledge base - KB87442

Published:

Opto 22 Knowledgebase

Accounts page shows "null" for first user's email

For the first user created on a groov EPIC processor, groov Manage displays "null" as the email address in the Accounts page.

knowledge base - KB87292

Published:

Opto 22 Knowledgebase

PAC Display Configurator does not save configured recipe directories if they are entered manually

When configuring a recipe upload or download file (Configure > Recipes >Add), if you manually type the file path you want in the Directory field, PAC Display Configurator does not save the...more

knowledge base - KB87317

Published:

Opto 22 Knowledgebase

PAC Display On/Off (discrete) button may not blink

A PAC Display button—configured with the Visibility/Blink dynamic attribute and set by a discrete value—may not blink when the value changes during Runtime.

knowledge base - KB87311

Published:

Opto 22 Knowledgebase

PAC Display Runtime crashes if Enable Alarm Point EMail option is selected but email settings are not configured.

If an alarm point has been configured to send an email (Configure > Alarming Setup > Email tab > Enable Alarm Point EMail), but the settings on the Configure Email dialog box have not been...more

knowledge base - KB87305

Published:

Opto 22 Knowledgebase

PAC Display Runtime crashes when opening a project that has a string table tag with no index

If you use Quick Tag Entry to configure a tag in a string table—but you forget to configure the tag's index—PAC Display Runtime will crash when it tries to open the project.

knowledge base - KB87297

Published:

Opto 22 Knowledgebase

PAC Display may continue to log files in Directory Path "Name" after the path has been changed to "project directory"

When the Directory Path "Name" field has been used to configure a location for saving files such as log files, if you later try to change the location by selecting the "Use project...more

knowledge base - KB87213

Published:

Opto 22 Knowledgebase

Some newer SNAP PAC controllers and brains MUST use PAC firmware R9.5g or higher

Some SNAP PAC products have new flash components.   Note: This KB article does not apply to: Wireless SNAP PAC controllers and brains (-R1-W, -R2-W, -S1-W, -S2-W, EB1-W, EB2-W). SNAP...more

knowledge base - KB87280

Published:

Opto 22 Knowledgebase

PAC Display: "Error while reading window" message when upgrading from PAC Display R9.3d or lower

If the windows in your PAC Display project contain non-English (for example, Chinese) characters and you're using PAC Display version R9.3d or lower,  you may be unable to upgrade to a newer...more