Opto22 - Resources & Tools

Values for BCD tags display as raw decimal

Knowledge Base - KB88253 - 8/15/2019

If a gadget in your groov View project is configured with a BCD tag on a Modbus device, when you run the project and groov View displays the value of the BCD tag, it displays it as decimal integer instead of BCD.

Reading LBCD tag on Modbus device causes "Unknown error" and disconnection from device

Knowledge Base - KB88177 - 8/15/2019

If a gadget in your groov View project is configured with an LBCD tag on a Modbus device, when you run the project and groov View reads the LBCD tag, you will see an "Unknown error" message and groov View will disconnect from the device.

In Build mode, modules don't appear in correct slot if GRV-CSERI-4 module is on the chassis

Knowledge Base - KB88157 - 8/15/2019

Some groov I/O modules appear in the incorrect slot position in the Module tree.

Open groov View in New Tab menu item opens groov Manage

Knowledge Base - KB88026 - 8/15/2019

If you are using groov View in Build mode on a GRV-EPIC-PR1 and click on File > Open groov View in New Tab, a new tab opens and shows groov Manage. It should show groov View.

Cannot enable communication to groov I/O unit

Knowledge Base - KB88418 - 8/15/2019

Under certain conditions after a PAC Control strategy has run, the control engine will not be able to enable communication to groov I/O Units and a -93 (I/O Unit Disabled) error will be posted to the control engine’s message queue.

groov Manage PAC Controller page may not show strategy information

Knowledge Base - KB88445 - 8/15/2019

When you go to the PAC Controller page (from groov Manage Home, click Controller > PAC Controller), the information in the Strategy section might be blank. If there is no strategy installed, the Name field should say "None".

Activate your groov EPIC PR1 Processor

Videos - 8/14/2019

This video walks you through the steps needed to activate your groov EPIC PR1 Controller. Activation allows you to get future software updates, receive automatic notifications, future firmware updates, and fully activates groov View.

Animated gif Graphics

Demo - 3/12/2019

Here are some handy gif graphic files you can use to make animations. List of gif graphics includes: Augers Automated pumps Flow direction indicators Electrical and Other Warnings Fans...more

Downgrading firmware may cause auto-restores to fail

Knowledge Base - KB88016 - 8/14/2019

With a particular combination of circumstances, an auto-restore will fail.

Installing & Configuring Samba on groov EPIC Technical Note

Documents - 2321 - 8/20/2019

This technical note shows you how to install Samba on your groov EPIC processor. Samba is free software that provides the application necessary to use the SMB/CIFS protocol, which supports network...more

Installing & Configuring MariaDB Database Server on groov EPIC Technical Note

Documents - 2320 - 8/20/2019

This technical note shows you how to install MariaDB, a small, lightweight, open-source database server, on your groov EPIC processor. This tech note is only for advanced developers who are...more

Set I/O Unit from MOMO Masks returns invalid address error for groov I/O

Knowledge Base - KB88461 - 8/12/2019

If your PAC Control strategy uses the Set I/O Unit from MOMO Masks instruction on a groov I/O unit, the I/O unit returns an invalid address error (-56) and no action is performed on the I/O unit.

Move Numeric Table To I/O Unit [Ex] returns invalid address error

Knowledge Base - KB88453 - 8/9/2019

If your PAC Control strategy uses the Move Numeric Table To I/O Unit[Ex] instruction on a groov I/O unit that contains analog channels, the I/O unit returns an invalid address error (-56).

Modbus/TCP does not report a cleared latch as cleared

Knowledge Base - KB88449 - 8/9/2019

If you clear an On and/or Off Latch through Modbus/TCP, it does not properly report the latch as cleared; however, groov Manage and the channel inspect window in PAC Control Debug Mode do show the latch as cleared.

Communication to groov I/O unit disabled with -56 error

Knowledge Base - KB88441 - 8/8/2019

In a PAC Control strategy that has a groov I/O unit, if a command results in a -56 "Invalid address" error in the control engine's message queue, communication to the groov I/O Unit...more

Move Numeric Table to I/O Unit [Ex] on groov I/O causes stack error

Knowledge Base - KB88440 - 8/8/2019

When your strategy executes the Move Numeric Table to I/O Unit[Ex] command on a groov I/O unit, a "Data Stack Is Not Empty" (-95) error is added to the message queue.

groov EPIC Host Port performance

Knowledge Base - KB88432 - 8/8/2019

groov EPIC Host Port performance has been improved.

Press Release: Opto 22 Responds to Inquiries Regarding URGENT/11

Documents - 2322 - 8/7/2019

Opto 22 would like to reassure our customers that, after careful and thorough review, we can state that none of our hardware or software products contain the VxWorks IPnet TCP/IP stack or variants of...more

Opto 22 Responds to Inquiries Regarding URGENT/11

Knowledge Base - KB88456 - 8/7/2019

Information KB: Opto 22 Responds to Inquiries Regarding URGENT/11 Summary: No Opto 22 hardware or software products contain the VxWorks IPnet TCP/IP stack or variants of that software, and therefore...more

Set up your groov EPIC Serial I/O Module

Videos - 7/25/2019

Opto 22's Ben Orchard walks you through the steps needed to install, wire, and program a groov EPIC serial I/O module.

GRV-EPIC-PR1 can't use TCP port 502 for the Modbus toolkit slave subroutine

Knowledge Base - KB87577 - 7/24/2019

GRV-EPIC-PR1 can't use TCP port 502 for the Modbus toolkit slave subroutine. Workaround provided in KB article.

SNAP-RCK-M2B Adapter does not fit some SNAP-PAC Controllers and Brains

Knowledge Base - KB88315 - 7/24/2019

When you install the replacement baseplate, the baseplate does not fit securely against the brain or controller case.

groov EPIC Module Quality Indicator LED

Videos - 7/17/2019

This groov EPIC video workshop takes a close look at the yellow quality indicator on the I/O module status LED.

Momentary buttons may continue writing after release

Knowledge Base - KB88308 - 7/5/2019

A momentary button writes a value once when it is pressed, and another value once when it is released. However, with this issue, the gadget continues writing values after it is released.

Gadget data takes a long time to show on screen

Knowledge Base - KB88276 - 7/5/2019

Some gadgets on the screen take a long time to show their data, while other gadgets from the same device show their data without problems.