Description
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| Error | Description | Notes |
|---|---|---|
| Command: "Parameter Name" is blank or zero | A value for the named parameter has not been provided. | The Object Command section of the User Guide provides more information on Command usage. |
| Command not present | The command is not available for the listed device. To view available commands for that device, view the Command tab. | Occurs when attempting "Retrieve History for Children" via the tree. |
| Demand Poll cannot be performed. Device is disabled. | The device is not enabled. To enable it, select the "Enable Device" checkbox on the General tab. | Occurs when attempting to Demand Poll via the tree or directly from the device. |
| Error # on Open. Could not load or locate the Tag file for this device. The Read Device Tags command will poll the device and generate this file. | It is necessary to execute the "Read Device Tags" command prior to executing the requested command. | For more information, reference the Command tab section of the relevant device. |
| Error attempting to retrieve history. StartRequestNow() can not be issued - no port object is assigned. | The Connection information for the device has not been configured. | To configure this, go to the Connection tab for the device. |
| Error connecting to Invalid Host Name Reason: "The operation completed successfully." 'Unknown Error' | Something about the Host information for the port is invalid. | |
| ExecuteCommand() cannot be performed. Device is disabled. | The device is not enabled. To enable it, select the "Enable Device" checkbox on the General tab. | Occurs when attempting any command via the tree or directly from the device. |
| Failed to execute command Id ### on object "Device Name" | The selected command failed to execute. The previous error message in the log files should provide more information | |
| Failed to set property SomePropertyName with value 'X' | This indicates that the property has been deprecated and is no longer used. | Deprecated properties can remain without causing issues. See Deprecated Properties on the Maintenance section for instructions on removing these log entries. |
| History Request cannot be performed. Device is disabled. | The device is not enabled. To enable it, select the "Enable Device" checkbox on the General tab. | |
| No archive types are enabled for history collection. | History collection was requested but the device configuration does not have any archive types configured for collection. | Select and configure required archive collection types from the device Archive Collection or Historical Collection options. |
| No connection settings have been specified for "DeviceName" | The device and its assigned port object do not have a Connection Settings object assigned to either one. | Create or select an existing Connection Settings object and assign it to either the device or its port. See Common Port Configuration. |
Parameter # (Parameter Name) must be provided for Command Name | A value for the named parameter for the named command has not been provided. | The Object Command section of the User Guide provides more information on Command usage. |
| Poll cycle stopping - communication port is closed or disabled. | The Port object was disabled. | Enable the Port object. |
| Poll cycle stopping due to communication error (retries are available). | ||
| Poll cycle stopping due to communication error (no retries are available). | ||
| Requested command cannot be performed. Device is disabled. | The device is not enabled. To enable it, select the "Enable Device" checkbox on the General tab. | |
| StartRequestNow() can not be issued - no port object is assigned. | The Connection information for the device has not been configured. To configure this, go to the Connection tab for the device. | |
| Task: demand poll issued/detected but no poll messages were found. Please check active items and/or device configuration. | ||
| The user requested a transaction but the scheduler hasn't yet received an 'Activate' message to assign the user to a device. | A demand poll was initiated for a device that does not have any active items assigned to it. | Activate OPC items for this device before initiating a demand poll. |
| The Host Address for the current selected Host is blank. Verify Port configuration. | View the Connections section of the user guide for more information on configuring a port. | |
| Tag Name Add item failed | May happen if an alias group is not configured correctly to reflect an item present in the device. View the Alias Group section of the User Guide. | |
| Tag Name - Invalid register address numeral. | May happen if an alias group is not configured correctly to reflect an item present in the device. View the Alias Group section of the User Guide. | |
| The Host Address for the current selected Host is blank. Verify Port configuration. | Verify the Host Address and Port information is valid for the Selected Host on the Port. | |
| Unsupported item. This item is invalid: Tag Name | May happen if an alias group is not configured correctly to reflect an item present in the device. View the Alias Group section of the User Guide. | |
| Validation Error on Non-Listed Tag=Device Name.TagName. Data Type indicator missing or invalid. | This tag is not present in the tag listing stored in ACM for this device. Tags accessed using this method must have a data type modifier appended to the tag name to be used. | See ControlLogix Tags for details on using this tag access method. |
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