Resources & Tools

1 - 25 of 415 results for "Who We Are"
Secure way to download PAC Project
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We have EPIC connected to our company network. It is obvious that, anyone from our company who knows IP address of EPIC, and who has PAC Control Software can modify/download a strategy. I see this as...more
Database Usage
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Hello Opto Users! We are running into an implementation problem and could use some ideas. Here is what we need to do: We have an asphalt plant that might dispense product to 20 different companies who...more
Log in and out of Groov and Groov Updates
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Where can I find a list of updates for groov? I want to see what has all changed/updated since my current revision. I have a client that is using 3 groov boxes to monitor 3 sites. They are very pleased...more
Create / Update certificates when IP changes
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Just a note for anyone who might come across this issue. After the initial EPIC-PR1 setup, it will create security certificates. If you are using them with one or more PR1 and I assume Groov-AR1...more
Paragon users? Here's a TTB (Truth Table) block example (chart v. OptoScript example)
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Hi All, Sometimes we hear from people who are using Opto 22 hardware with another company’s software, including long-gone Paragon. The other day we had someone ask about their “TTB” and how that might...more
Log Viewer Feature
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Hi,I have a potential client who asks me about the user’s access records to the groov view. I have seen that they are registered in the Log Viewer section under the gear icon, and my question is as...more
Scan time explained - old forum post
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peterservo Joined on 03-10-2007 Posts 2 SNAP PAC R1/2 Application Performance? My background is in providing controls for Industrial Automation, particularly Machine Tools and Automated Assembly machines...more
Communication SNAP-SCM-232
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Dear all, We like to communicate with a new device by using a SNAP-SCM-232 module, this is complete new for us and there for I look for some help in how to configure and how to set up the communication...more
Restrict users from PAC Display?
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I know that I have had this discussion directly with you guys in the past. Of course, I can not find reference to it at this point! We have a client who is actively modifying our Display code which...more
Profibus DP Help!
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I’m sure I’m probably in the minority when it comes to OTPO and Profibus protocol, but we recently received a third party analyzer with Profibus communication. This is my first time trying to use OPTO to...more
Link in email to open groov View mobile app
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Hello All, This may be more of a feature request than an issue but here goes… I have an app where I am generating notifications that are being delivered via email. Most of the users who receive these...more
Wireshark + OptoMMP Dissector
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Attention all serious bit-heads who get deep into our OptoMMP (memory-map protocol) – that’s what we use to communicate (either via TCP or UDP) to our PAC brains and controllers. Good news! Wireshark...more
Weekly and monthly data tables
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I have started to log my water use at home. We installed a 1 pulse per gallon water meter, the output I have put to my EMU. (Yeah, it shows up as Kw in the EMU Sensor Manger software, but I don’t use...more
Another HTTP Web page scrape: of a Campbell Scientific CR1000 Datalogger
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Hi All, Recently helped a customer who needed a screen scrape of their little CR1000 datalogger (by Campbell Scientific). I found a ton of them out on the Internet logging all sorts of data (lots of...more
EPIC and RIO Used CPU and Memory - Example Flow
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We have a flow to show you how much free disk space you have; Flow to get free diskspace from EPIC or RIO Node-RED EDIT. It seems that not every EPIC drive number is the...more
PAC Display Vertical Label Range Max Value must be an integer?
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I’m just full of questions tonight, it seems. We often have process variables whose full-scale ends up being less than 1. Examples are chlorine concentrations or turbidities in drinking water. In PAC...more
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...more
Analog Input Under / Over Range
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Hi OptoFans, One of our OptoPals asked this question re: under/overrange. The main thing that popped in my brain to watch out for is qnans, as I mentioned in the “SANITY CHECKING” of this post on...more
Using Port 502 for Modbus Clients on groov Devices
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Both groov EPIC and groov RIO (the whole family) are ModbusTCP slaves out of the box. They listen on port 502 and send the requested data back out that port. This is very powerful if you are needing I...more
I've just inherited this control/display project
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This previous post from an OptoFan wanting to add some logic to an existing strategy prompted this OptoNews [URL=“http://www.opto22.com/site/optonews/2012/optonews_04112012.aspx#ttip”]Tech Tip about...more
Line Printer - Need Help to Print Lines
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Hi Everyone, I have a project where I need to print one line at a time to an OkiData Microline form printer, every x minutes. In order to not print a whole form and print multiple statuses on the same...more
Modbus in the Middle -- leverage our built-in Modbus support as glue
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An integrator had: A. Some Modbus master (not sure if it was hardware or software, but it was TCP) B. One of our hardware PACs C. Another device that connected via serial (which happened to be...more
What are your favorite nodes & cloud services?
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Hi OptoFans, especially those who Node-RED, What Nodes (besides our SNAP and groov nodes) are you using? Here’s some especially popular ones I’ve seen in practice: Various databases (which do you use?...more
ICMP Packet Creation
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Using Opto22 Hardware, i am able to create SNMP packets which i use to monitor multiple devices. I am creating a script wherein, if in between requesting the parameters of the SNMP device, a...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