Opto22 - Resources & Tools

Videos - 9/11/2019

This video shows you how to show or hide the mouse pointer on your groov EPIC PR1 processor.

Downloads - 9/2/2016

OptoTagPreserve copies variables from your PAC Control strategy running on a groov EPIC processor or SNAP PAC controller and saves them in a password-protected binary file or a plain-text XML, OptoScript...more

Technical Note: groov EPIC Update Checklist

Documents - 2327 - 9/5/2019

This basic checklist gives a high-level view of steps for updating your groov EPIC processor with new firmware. If you've updated your GRV-EPIC-PR1 before, the checklist may be all you need; but for...more

GRV-EPIC-PR1 Firmware

Downloads - 9/3/2019

This file contains all the firmware and software for the groov EPIC processor (GRV-EPIC-PR1). To find out what's included in the current release and past releases, check the GRV-EPIC-PR1 Firmware...more

Press Release: Opto 22 Releases groov EPIC version 1.4.1

Documents - 2326 - 9/3/2019

Opto 22’s groov EPIC firmware update version 1.4.1 enhances secure remote access with VPN and adds Inductive Automation Ignition options. The new update adds virtual private networking, new...more

Including "~" in communication handle results in -417 error

Knowledge Base - KB88498 - 8/27/2019

If you include a "~" in a communication handle, you will receive a -417 error.

Connection timeout parameter ignored

Knowledge Base - KB88494 - 8/27/2019

If you supply a value for Timeout to either the O22SnapIoMemMap::OpenEnet?() or O22SnapIoMemMap::OpenEnet2() methods, the timeout parameter is ignored.

Resetting GRV-EPIC-PR1 at start or end of RSS session may create unexpected behavior

Knowledge Base - KB88411 - 8/27/2019

If you reset or cycle power to the GRV-EPIC-PR1 when starting or disconnecting from an OptoSupport Remote Support Service (RSS) session, unexpected behavior may occur.

Table read returns wrong number of elements or error

Knowledge Base - KB88499 - 8/26/2019

Loss of controller host port communication

Knowledge Base - KB88495 - 8/26/2019

groov View for Android may crash when switching back to it

Knowledge Base - KB87698 - 8/22/2019

Switching back to the Android groov View app after using another application for several minutes may case the groov View app to crash.

How to Calibrate the groov EPIC Touchscreen

Videos - 8/22/2019

This step-by-step video shows how to calibrate the touchscreen on a groov EPIC PR1 processor.

Technical Note: Migrating from SNAP PAC to groov EPIC

Documents - 2323 - 8/21/2019

If you already have an Opto 22 SNAP PAC System, you may be looking at groov EPIC and wondering how it is different, and whether you should migrate to an EPIC system. What would you gain? What issues...more

Changing controller's string encoding doesn't take effect immediately

Knowledge Base - KB88135 - 8/21/2019

If you change the controller's string encoding, the change doesn't take effect immediately.

Help > groov Public API may result in "Can't read swagger" message

Knowledge Base - KB87607 - 8/21/2019

In Build mode of groov View, when you click Help > groov Public API, you'll see a message that says: Can't read swagger JSON from https://<your-pr1-address>/swagger.yaml

Certain PID loop options on groov EPIC I/O Units may not work

Knowledge Base - KB88377 - 8/20/2019

Control Engine not responding when Ethernet cable disconnected, then reconnected

Knowledge Base - KB88375 - 8/20/2019

Not Equal? condition always evaluates as true

Knowledge Base - KB88280 - 8/20/2019

Press Release: Opto 22 announces new Director of Technical Marketing

Documents - 2325 - 8/19/2019

Josh Eastburn brings experience in process automation and system integration to his new position as Director of Technical Marketing. In this position, Eastburn will lead the creation of useful and...more

Some conditions always evaluate to true

Knowledge Base - KB88259 - 8/19/2019

PAC Control condition blocks containing some comparisons will incorrectly evaluate as true when comparing an analog input or float variable that contains a NaN value.

System Update: Upload progress bar stops; banner turns red

Knowledge Base - KB88069 - 8/19/2019

During the Upload step of a system update (from groov Manage Home page, click Maintenance > Update), the progress bar will stop and the groov Manage title bar (in the background) will turn red. No error message is displayed.

PID mode in IVAL tab may be incorrect

Knowledge Base - KB88229 - 8/19/2019

In PAC Control Debug mode, on the IVAL tab of the View PID Loop dialog, the PID mode may be inaccurate (for example, auto instead of manual). The PID loop is running as expected and the PID mode is displayed correctly everywhere else.

Controller returns Status Code of -443 or -20 for HTTP Status Code of 204

Knowledge Base - KB88265 - 8/16/2019

If you run an HTTP Post from String table command with an empty body, the PAC Controller should return a Status Code of 0 because the HTTP Status Code for an empty body is 204, which is a valid response. However, the Status Code returned is -20 or -443.

Comm handle values may not be set correctly on groov EPIC Serial Module

Knowledge Base - KB88409 - 8/15/2019

In your PAC Control strategy, when you open a serial communication handle to a port on a GRV-CSERI-4 module, you may get garbled serial data.

Tag browser reports an error on some folders containing 25+ tags

Knowledge Base - KB88312 - 8/15/2019

When you browse for tags on your GRV-EPIC-PR1 configured as an OPC UA server, any folders with more than 25 tags will cause an error.