Opto22 - Resources & Tools

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

Knowledge Base - KB90769 - 1/3/2024

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

Advanced HMI Design Techniques with groov View

Videos - 11/9/2023

This video shows how you can create HMI designs using Opto 22's groov View. Learn how to use various layering techniques to create some stunning graphics for your next HMI design project.

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

CODESYS in the Field - Opto 22 and Costa Farms

Videos - 10/27/2023

Opto 22's Fall 2023 CODESYS Tech Talk featured an innovative solution from Costa Farms using groov RIO and the CODESYS runtime engine.

groov Manage: Maintenance

Videos - 10/23/2023

See how the maintenance button on the groov Manage screen helps keep your groov device in tip-top shape.

groov Manage: Info & Help

Videos - 10/27/2023

Learn about the nine features and functions behind the Info & Help button on the groov Manage home screen.

groov Manage: Node-RED

Videos - 10/20/2023

Watch groov Manage: Node-RED to see why Node-RED is such a popular low-code/no-code programming tool.

groov Manage: Ignition

Videos - 10/20/2023

Here's a quick look at how you can run Ignition or Ignition Edge on the groov platform, using the groov Manage menu option.

groov Manage: Controller

Videos - 10/17/2023

groov EPIC allows you to choose between two control engine options. Learn what's possible in this week's groov Manage: Controller video.

Transparent blinking graphic objects may crash PAC Display Runtime

Knowledge Base - KB90749 - 1/3/2024

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

Press Release: Opto 22 Announces new Director of Technical Marketing

Documents - 2408 - 10/6/2023

Dan White merges his wealth of knowledge of Opto 22 products, his experience as an industrial controls engineer, and his background in creating innovative solutions for Opto 22 customers to his new...more

Case Study: Lethbridge College Gains Flexible Automation System for Research Requirements

Documents - 2404 - 10/4/2023

View in html The Aquaculture Centre of Excellence at Lethbridge College mimics conditions in large commercial aquaponics facilities, but for research purposes, they needed a highly flexible...more

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

Press Release: Inductive Automation Names Opto 22 as a Solution Partner

Documents - 2406 - 9/25/2023

Opto 22 announces a new, elevated partnership status with Inductive Automation as a Solution Partner.

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

Case Study: Apex Energy Replaces End-of-Life System for Improved Data

Documents - 2403 - 9/19/2023

View in html When the hardware for the automation system you’ve deployed throughout your entire installed base is suddenly declared end-of-life, you’re faced with a problem. That...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.

groov Manage: groov View

Videos - 9/18/2023

Isn't a web browser one of the most commonly installed and used software applications on any device? So why stop at just viewing your SCADA HMI screens in a browser—why not build...more

groov Manage: Data Services

Videos - 9/18/2023

So you’re collecting data from machines, sensors, and equipment with your groov EPICs and groov RIOs. Now where do you need that data to go, and how do you get it there...more

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.

groov Manage: I/O Status

Videos - 9/15/2023

Live I/O configuration and status from a web browser? Watch this episode of the groov Manage video series and see how it's possible.