Opto22 - Resources & Tools

In a PAC Control strategy, the Flag Lock and Flag Unlock commands may result in the controller or processor locking up or resetting.

groov EPIC module LED may be red and module may not show up in groov Manage

Knowledge Base - KB88865 - 3/17/2020

If the LEDs for 1 or 2 modules on a groov EPIC chassis are red or the modules do not appear in groov Manage, you may be running into this issue. This issue does not affect simple modules (discrete groov I/O modules that provide on/off status only).

On an external monitor, top half of screen appears on bottom half of monitor

Knowledge Base - KB88874 - 3/17/2020

On an external monitor, the top half of the screen (for example, the top half of a groov Manage page) appears on the bottom half of the monitor.

PAC Control Seed Random Number creates the same seed value

Knowledge Base - KB88879 - 3/17/2020

If you use the PAC Control command Seed Random Number in a strategy running on a GRV-EPIC-PR1, the seed value will be the same every time.

GRV-EPIC-PR1 may lock up while running certain Node-RED nodes

Knowledge Base - KB88892 - 3/17/2020

You may observe lock-up symptoms like the following: GRV-EPIC-PR1 is unresponsive. The LEDs on groov I/O modules all turn red. Ethernet communication ceases. If the groov EPIC...more

PAC Control Debug mode: View I/O Unit displays data for empty positions

Knowledge Base - KB88889 - 3/11/2020

In PAC Control Debug mode, the View I/O Unit dialog box displays data for empty positions; the data appears in the Points Detail tab and the Points Compact tab. (Empty slots should contain no data.) This...more

No network access through OpenVPN Tunnel 0 interface

Knowledge Base - KB88856 - 3/24/2020

OpenVPN Tunnel 0 may show connected even if all network cables and WiFi adapters are unplugged.

Knowledge Base - KB88859 - 3/24/2020

"Send Email with Attachments" command may not send attachment

Knowledge Base - KB88872 - 3/17/2020

When using the PAC Control command “Send Email with Attachments” in a strategy running on a GRV-EPIC-PR1, if you use the “~/” path shortcut as part of the location of the attachment, the attachment will not be sent.

OpenVPN client may crash when disconnected from server

Knowledge Base - KB88857 - 3/17/2020

A disconnection from the network may cause the OpenVPN client on the GRV-EPIC-PR1 to crash.

XOR command with 64-bit integer operands returns incorrect results

Knowledge Base - KB88858 - 2/19/2020

Add/Edit User Page incorrectly shows "PAC Control REST API" permission as NONE

Knowledge Base - KB88799 - 3/24/2020

For built-in firewall rules, tun0 can't be set to "deny"

Knowledge Base - KB88771 - 3/24/2020

MQTT topics not being published from OptoMMP device

Knowledge Base - KB88763 - 3/24/2020

GRV-EPIC-PR1 may use additional network bandwidth

Knowledge Base - KB88756 - 3/17/2020

When using OptoMMP with Sparkplug-B payload, the MQTT service consumes additional network data bandwidth. There should be a Sparkplug publication only when data changes. With this issue, when there...more

In PAC Project Demo, PAC Display Basic Configurator does not start

Knowledge Base - KB88808 - 3/11/2020

In PAC Project Demo 10.2004 or 10.2005, PAC Display Basic Configurator does not start, displaying an error message about missing DLLs.

Groov RIO in the flesh

Forum -

I have a working unit on my desk, so feel free to ask any questions and I will do my best to answer them. image.jpg700×1081 225 KB You can read about it in our blog post here; https://blog.opto22.com...more

Announcing the new groov RIO

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We are excited to announce the release of the groov RIO. image.jpg605×614 105 KB You can read about it in our blog post here; https://blog.opto22.com/optoblog/announcing-another-opto-22-breakthrough...more

Press Release: Opto 22 Announces groov RIO

Documents - 2335 - 3/20/2020

Opto 22 announces groov RIO®, a family of intelligent, distributed input/output (I/O) for industrial internet of things (IIoT) and automation applications. groov RIO represents a first-in...more

Press Release: Another win for Opto 22’s groov EPIC

Documents - 2334 - 2/3/2020

Opto 22 is proud to announce that, for the second year in a row, groov EPIC® has been selected as a winner in Control Engineering’s Engineers’ Choice Awards. The opportunity to...more

Can't upload strategy

Forum -

I am finally getting around to porting my snap-pac system over to an EPIC controller. Just to get my feet wet, I am trying a single simple chart that was imported from Pac Control 9.6. Everything...more

InfluxDB/Grafana on EPIC?

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I was wondering if anyone has tried or succeeded in installing Influxdb or Grafana locally on the EPIC. I have some time series process data that I would like to record and visualize using these tools....more

How to remotely access EPIC from different network

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How can I access groov EPIC from different network to configure and upgrade firmware? Does it need to use dedicated server or VPN? Does it need to use IP address or hostname of the EPIC to access it...more