Opto22 - Resources & Tools

Output of TPO with Percentage (Duty Cycle) Above 100% is Not Constantly On

Knowledge Base - KB88826 - 12/9/2020

After setting the TPO's percentage (duty cycle) above 100% for channels on a groov EPIC I/O unit with specific modules or a groov RIO I/O unit, you may see incorrect behaviors on the TPO digital output point

PAC Control Set I/O Unit Configured Flag Command Ignored for Certain I/O Unit Types

Knowledge Base - KB89217 - 11/4/2020

Node-RED Behaves Oddly After User Logs Out

Knowledge Base - KB89181 - 12/9/2020

If you are logged into groov Manage in one browser tab and you have the Node-RED Editor loaded into another tab of the same browser, when you are logged out of groov Manage (either by you...more

Incorrect Behavior on Touchscreen When Touch-Sensitive Pad on Module is Touched

Knowledge Base - KB88896 - 11/4/2020

When you leave your finger on the touch-sensitive pad of a module and then you select a channel on that module, you may observe odd behavior on the touchscreen.

After power cycle, groov Manage REST API calls or Node-RED for groov I/O nodes may fail

Knowledge Base - KB89210 - 9/18/2020

After a power cycle or restart of a groov RIO, REST API calls to groov Manage or Node-RED flows with Node-RED for groov I/O nodes may fail.

Channel's Status field does not update for digital inputs on channels 2-7

Knowledge Base - KB89106 - 9/18/2020

When you configure any channel between 2 and 7 as a digital input, when you go to the channel's status page (from groov Manage Home, click I/O Channels, then the channel number), the State...more

I/O configuration between PAC Control and groov RIO do not match; -56 "Invalid Address" error

Knowledge Base - KB89084 - 9/18/2020

Error code -56 "Invalid Address" for chart <system: _INIT_IO> in the message queue and the I/O configuration does not match the PAC Control I/O configuration for the RIO device.

Analog input channels with non-zero offset calibration show incorrect values

Knowledge Base - KB89081 - 9/18/2020

If you configure an analog channel to report degrees Fahrenheit and set offset to any value other than zero, the channel value will have an offset error proportional to 5/9ths the desired offset.

groov View does not display change in data type of a Data Store tag

Knowledge Base - KB89233 - 9/8/2020

In Build mode, if you edit the type of a tag in a Data Store, groov View doesn't reflect that change until you leave and re-enter Build mode or refresh the browser.

Backing up large groov View project triggers timeout error (504)

Knowledge Base - KB89188 - 11/12/2020

The OPC UA tag browser allows you to assign unsupported tags to gadgets

Knowledge Base - KB89054 - 9/2/2020

The OPC UA tag browser allows you to assign unsupported tags to gadgets. If you assign a tag with an unsupported data type (for example, dates or times) to a gadget, you may run into problems when you...more

Trend-pen legend text is displayed in the wrong color

Knowledge Base - KB88755 - 9/23/2020

If you configure the background of a groov View trend to black, then groov View displays the trend-pen legend text in gray instead of white.

Square Wave A (1 sec on/off) on Data Simulator does not turn on

Knowledge Base - KB89169 - 9/1/2020

If you connect a gadget to the Square Wave A (1 sec on/off) tag in the Data Simulator device, the gadget may not behave as expected. For example, if you connect the square wave to an LED gadget, the LED will not turn on when you run your project.

groov View reports "This gadget does not have a properly configured tag" for some OPC UA array tags

Knowledge Base - KB89044 - 9/2/2020

If you connect an OPC UA tag that uses an array data type with an unspecified array length to a gadget, groov View may report that the gadget does not have a properly configured tag.

Can't import pages with Oval, Rectangle, Text Area, or Value gadgets

Knowledge Base - KB88875 - 9/2/2020

When you import a previously-exported page that has Oval, Rectangle, Text Area, or Value gadgets, the import fails with the message "Failed to import page. Details: Could not parse request json.".

Older PAC Control or OptoControl Strategies with mistic I/O points are incorrect in newer PAC Control

Knowledge Base - KB89156 - 8/21/2020

If you open an OptoControl strategy with mistic I/O points in PAC Control R10.3a, PAC Control does not convert the mistic I/O points correctly. In PAC Control Debug mode, mistic points will not...more

Add Serial Channel and Add Analog Point dialog boxes show incorrect options in Type and Module fields for groov modules

Knowledge Base - KB89203 - 8/24/2020

In PAC Control, when adding points to groov modules, the Add Serial Channel and Add Analog Point dialog boxes show incorrect options in the Type and Module fields.

Alarm point automatic re-alarming time may not be accurate

Knowledge Base - KB88715 - 8/20/2020

If you configured an alarm point to re-alarm after a specific amount of time (Automatic Re-Alarming Time), after the alarm is triggered and acknowledged, PAC Display triggers a re-alarm before the...more

Undefined command error during strategy download

Knowledge Base - KB88712 - 8/20/2020

You may see an "Undefined command error" during strategy download after using the Find and Replace Tag feature.

Control engine driven alarm points may not function properly

Knowledge Base - KB88711 - 8/20/2020

PAC Display's Control Engine-Driven Alarm Point option doesn't function properly after an alarm is acknowledged; the alarm graphic color may go back to the color for an active alarm.

"Undefined Command" error when entering Debug Mode while OptoScript block open

Knowledge Base - KB88992 - 8/20/2020

Older PAC Control strategies with mistic event reactions may crash in newer PAC Control

Knowledge Base - KB89182 - 8/20/2020

GRV-IMAI-8 Module Refreshing at Incorrect Rate

Knowledge Base - KB89178 - 8/13/2020

With the Simple Moving Average (SMA) filter set to 1, the module is supposed to update its data at a rate of 11 ms. However, the module is refreshing its data approximately every 200 ms.

Error message when changing I/O unit types that support same features

Knowledge Base - KB89162 - 8/20/2020

Updating firmware with PAC Manager may fail

Knowledge Base - KB89120 - 8/20/2020

When you use PAC Manager to download firmware to a PAC device, the download may fail and display a messages, or the upgrade may complete but appear to be stuck waiting for a reboot. These events...more