Opto22 - Resources & Tools

Unhandled Exception error when stopping all links in OptoDataLink

Knowledge Base - KB90778 - 11/29/2023

When you attempt to stop all links in OptoDataLink Configurator (or from OptoDataLink Monitor in the Windows system tray), you may encounter a Microsoft .NET Framework “Unhandled exception” error.

On/Off-Time Totalization values from groov discrete outputs not updating in PAC Display Runtime

Knowledge Base - KB90755 - 11/29/2023

When configuring a Dynamic Attribute object (such as a Text object) in PAC Display Runtime to use a value tag on a groov discrete output channel configured with the On-Time or Off-Time Totalizer feature,...more

OptoDataLink SQL database transaction fails due to "Incorrect syntax” error from NULL data values

Knowledge Base - KB90796 - 11/16/2023

When you configure a SQL database as a destination in OptoDataLink, you may encounter an Incorrect syntax near ‘)’ message in the error log, and no data will be logged to the destination database.

Updating firmware through SoftPAC Monitor may leave SoftPAC unstable

Knowledge Base - KB90759 - 11/15/2023

When you update SoftPAC firmware through SoftPAC Monitor, an error message may display, and SoftPAC Monitor may lock up, making SoftPAC unstable or unusable.

Error when adding Get On-Time/Off-Time Totalizer commands with groov discrete outputs in PAC Control

Knowledge Base - KB90769 - 11/14/2023

When you attempt to add a Get On-Time or Get Off-Time Totalizer command with a groov discrete (digital) output point configured with the On/Off-Time Totalizer feature in an Action block, the error...more

On-Time/Off-Time options missing from Add Watch Entry dialog in PAC Control

Knowledge Base - KB90756 - 10/30/2023

When you attempt to add a Watch entry in PAC Control Debug mode for a digital (discrete) output point configured with the On/Off-Time Totalizer feature, the On-Time/Off-Time options may be missing from...more

OptoOPCServer Indirect (CONT) method unable to scan groov discrete outputs with On/Off-Time Totalizer features

Knowledge Base - KB90765 - 10/27/2023

When a groov discrete output configured with the On-Time or Off-Time Totalizer feature is added to an OPC client using the OptoOPCServer CONT scanner, the retrieved values are always empty...more

Transparent blinking graphic objects may crash PAC Display Runtime

Knowledge Base - KB90749 - 10/17/2023

If you run a project that contains graphic objects configured for both transparency and blinking, PAC Display Runtime may eventually crash.

Clear All Latches may command cause -95 Info message

Knowledge Base - KB90750 - 10/6/2023

If the argument to the Clear All Latches command is a pointer variable that is NULL, a -95 info message (Data stack not empty) is placed on the controller's message queue.

PID output may not be set to forced output value

Knowledge Base - KB90735 - 10/6/2023

A PID output may not be set to the value specified in the "Force output when input goes out of range" field.

Redundant system may switch controllers unnecessarily

Knowledge Base - KB90513 - 10/6/2023

Digital output ON/OFF totalization unsupported in PAC Display Configurator

Knowledge Base - KB90736 - 9/29/2023

If you have a tag with a digital (discrete) output configured as an ON or OFF time totalizer in your PAC Control strategy, you may encounter the error message: “Unable to Load Digital Point...more

PAC Display Runtime may randomly crash

Knowledge Base - KB90721 - 9/19/2023

You may experience random crashes in PAC Display Runtime (Basic and Professional) when moving windows or interacting with elements.

PAC Display Runtime may crash when ODBC database unavailable

Knowledge Base - KB90718 - 9/19/2023

PAC Display Runtime Professional may crash if there is a network error when attempting to connect to or communicate with an ODBC database.

Email notifications for triggered alarms inconsistently sent

Knowledge Base - KB90590 - 9/18/2023

If you have configured PAC Display to send emails when alarms are triggered, the delivery of those emails (especially subsequent emails for multiple triggered alarms) may be inconsistent and not coincide with when the alarms are triggered.

PAC Display Configurator fails to properly load .cdb files and tags

Knowledge Base - KB90500 - 9/15/2023

When attempting to load an OptoControl strategy database file (.cdb), you may encounter two error messages: “Unable to Load Board Objects” and “The selected Tag no longer exists.”

Control items in PAC Display do not fit in dialog windows

Knowledge Base - KB90559 - 9/15/2023

When using PAC Display Configurator, you may notice inconsistent fonts and configuration fields that do not fit in dialog windows.

GRV-OVMALC-8: Configuring channel type to Analog Hi-Z not saved correctly

Knowledge Base - KB90664 - 9/19/2023

If you change the channel type of any channel on a GRV-OVMALC-8 module from any type to Analog Hi-Z, the configuration is not saved correctly. In groov Manage, the channel status page incorrectly...more

PAC Manager cannot confirm reboot of E1 or E2 brain boards when installing firmware

Knowledge Base - KB90678 - 9/19/2023

In PAC Manager, instead of seeing a “Success” message after installing firmware on an E1 or E2 brain board, you may see the status message: “Firmware update completed, but restart could not be confirmed.”

E2 analog inputs report a constant, invalid value

Knowledge Base - KB90700 - 9/1/2023

Channels 0-7, 8-15, or all channels stop measuring inputs and report 0 counts or 61440 counts (if configured to read counts) or an invalid engineering unit value (if configured to read engineering...more

After firmware upgrade, Data Service becomes unresponsive when you try to enable it

Knowledge Base - KB90706 - 8/31/2023

Clear All Latches command may cause processor/controller reset

Knowledge Base - KB90702 - 10/6/2023

If your PAC Control strategy uses the Clear All Latches command on a SNAP I/O unit that has unconfigured points or empty module positions, the groov EPIC processor or SNAP PAC controller will reset.

I/O unit incorrectly reports communication enabled after power cycle

Knowledge Base - KB90689 - 10/6/2023

After an I/O unit cycles power and your PAC Control strategy tests if the I/O unit is available with the Is I/O Unit Ready? and I/O Unit Communication Enabled?, the I/O unit may incorrectly report communication as enabled.

Publishing data to MQTT Server may be very slow or may stop

Knowledge Base - KB90675 - 8/31/2023

In the situations with frequent reconnections (for example, network or MQTT server instability), you may observe that data publishing to MQTT server slows down or stops.

Some channel configurations may not restore from persistent memory

Knowledge Base - KB90696 - 8/31/2023

If you configure channels on through groov Manage and then restart the groov RIO module or groov EPIC processor, one or more of the I/O channel configurations may not be restored from persistent memory.