Opto22 - Resources & Tools

My client has a problem. Can PAC R1 controller communicate with Omron nb5q-tw00b touch screen? the liquid level and the start and stop of the control pump are displayed on the touch screen. Thank you!...

HMI error messages "No String Resource"

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Hello everyone, Im reaching out to see if I could get some guidance on a couple errors that we are recieving once we run a particular strategy. The first error is “No String Resource Found for ID -1” The...more

Missed Events With Polling /api/v1/io

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We are using the new IO nodes for Node-Red, and are concerned about polling performance with a loaded EPIC controller. The concern is with input nodes. Each channel starts a 1 second poll using /api/v1...more

PAC Display displaying wrong tag values after firmware update

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Has anyone else experienced this? I updated the firmware on an S2 to 10.0h which went well. Now in PAC Display 10.2 the tag values for IO points do not show the correct values - it’s like they are...more

Parse space delimited string

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Hello, I am using PAC control for my project, I have a serial device, that returns a Space delimited string, with multiple variables, I dont want to use the unpack String, or Get Substring commands...more

Multiple Charts Running and I/O Configuration

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This information might be very clear somewhere on the manual, I am new to Opto22 products and PAC control, I hope I can get some clarification here: I have a PAC control project running 5 Charts, in...more

A way to implement Debug msg in Pac and Nodered?

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(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged)...

Display values in groov View with commas

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Is there a way to display values in groov View with commas, e.g. instead of 1921, display 1,921. I have tried various formats in the groov View box for this value gadget (and the formatting help does...more

Connect groov view to samsung TV

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GREETINGS, Is a new topic here. We planning to use 2 Samsung SmartTV connect to the router and open groov view via web browser that pre-installed in the TV. Everything work fine until login to the groov...more

Close Screen & Return to Original Screen

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The topic doesn’t make much sense, but what I am trying to do is close an ‘Alarm Message’ screen (similar to a popup) that is called from a ‘Page Navigator’ gadget from the screen of origin [or the...more

EPIC and SNAP Serial Module

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Can we use the EPIC to control the serial modules on a SNAP-PAC controller or the PAC Brain?...

Flow to open solenoid valves on prescribed interval using Raspberry Pi

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I am planning to purchase OPTO-P1-40P andSNAP-D4M and will run Node-RED on a Raspberry Pi to do a simple program. I have some of it figured out, but a few areas need some help. Here’s what we have now...more

Complex math in a function node

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I am hoping for some guidance on how to perform (somewhat) complex math in Node-RED. My current flow that grabs some parameters from SQL and puts them into my strategy looks like this: sample_flow...more

Strategy and chart running but logic not executing

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Hi all, I am new to Opto 22 PAC software development (liked the flow of it, makes it easy to understand actual process) and on this forum. We are using SNAP-PAC-R1 controller and PAC control...more

Convert PAC Display Pro Project from 9.0 to 9.6

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We are trying to setup an interim project using PAC Display Pro vR9.6f from Pro vR9.0. We are developing an EPIC system and want to work out ‘new’ features using our existing Opto22 PAC R2 system. We...more

RS-232 Receive Data

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Now that we have RS-232 communication what’s the best way to filter out our receive data? We currently receive: @253ACKATM;FF The info I need is the ATM but that can vary depending on the pressure...more

Case Study: Blendtech Cuts the Cost of API 2350 Compliance

Documents - 12/30/2019

When the American Petroleum Institute (API) introduced updates to API Standard 2350, “Overfill Protection for Storage Tanks in Petroleum Facilities,” Blendtech's customer...more

Displaying time & date in groov View from an Int32 table

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(using the latest EPIC Firmware 1.5.0 and groov View 4.2a) I am using NTP Timestamps in my PAC Control strategy so that I can easily perform time computations. However, for the HMI (groov View) that...more

Where can I get the certificate for MQTT server?

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Greetings, I am not sure where can I get *ca.pem certificate file for the MQTT server in groov EPIC. I haven’t activate my Ignition yet. I search for a few tutorials on youtube to enable MQTT service...more

Creating an Event with Groov ver4.2a - Any Issues

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I was trying to create an ‘Event’ in Groov v4.2a ‘build’ mode. It is shown under ‘Data Simulator’, but when you try to click on it nothing happens. Any thoughts? Thanks Dave...

Modbus settings in Groov View

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Hi, I have a Yokogawa controller (YS-1700) connected to Groov-AR1 using modbus TCP/IP. Some of the tags are using DWord. I don’t understand how do I configure that in Groov view? The values are showing...more

The problem of groov server 4.2a trend graph

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Caused by adjusting the lower time window.The trend chart moves in reverse. MP4:25cde5ced1c1f48a6e9c405576e35986.zip (3.5 MB) Here are my three photos in chronological order 1.jpg1242×2208 265 KB 2.jpg1242×2208 260 KB 3.jpg1242×2208 277 KB ...

Groov Server 4.2a for Windows

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Am trying to download the trial version of Groov Server 4.2a for Windows, but when I go the ‘groov.com’ and go thru the process, it downloads 4.1. Any info on when this will be available Thanks Dave...

PAC Display Runtime: Graphics do not update on a window opened by a button

Knowledge Base - KB88728 - 12/20/2019

Some of the graphics on your PAC Display project are not updating properly.

Modbus using Scratch Pad

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Hey Guys, I am try to use the the Scratch Pad to transfer data to a 3rd party Modbus client. However, the Client did not said modbus ping fail. On the client side configure the modbus unit ID is 110...more