Opto22 - Resources & Tools

SNAP PAC RESTful API to Access Database Example

Downloads - 10/27/2016

This download is an interactive Access database sample that builds commands to read data from an Opto 22 SNAP PAC programmable automation controller and store the data in a Microsoft Access table. The...more

Kinect and groov sample

Forum -

Hello. This is a sample program for groov demonstration with using Kinect sensor. This program works on Kinect SDK 1.8. Visual Basic 2010 Express. OS Windows7,Windows8,Windows Server 2012. This software...more

Updated door access control sample

Forum -

Is there an updated door access control sample available? The one available for download is for the ADS Brains and needs to be changed to work with the R1. It would not be difficult to make the changes...more

Digital I/O for Raspberry Pi Selection Guide

Documents - 2208 - 12/19/2023

Now you can safely and reliably sense and switch industrial-level electrical loads with your Raspberry Pi® and Opto 22 industrially hardened digital I/O. This Selection Guide describes...more

User's Guide: DNP3 Integration Kit for PAC Control

Documents - 1773 - 2/8/2021

The DNP3 Integration Kit for PAC Control allows Opto 22 SNAP PAC controllers, using PAC Control™, to connect via an Ethernet network or serial port and communicate using DNP3, the Distributed...more

groov API Code Samples

Developer -

For groov API syntax and tips, see the API Reference, which is generated from the Swagger specification.These samples illustrate how to use the groov RESTful API with Microsoft® Access®, Microsoft Excel®...more

OptoTutorial 1641: PID with PAC Control

Downloads - 8/22/2012

This supplement to the SNAP PAC Learning Center Tutorial teaches you how to use proportional integral derivative (PID) loops with PAC Control software and a SNAP PAC R-series controller. This zip file...more

SNAP-SCM-CAN2B Module Firmware

Downloads - 4/17/2019

This firmware adds transmit capability to a SNAP-SCM-CAN2B serial communication module, which communicates with devices on a Controller Area Network (CAN). (A SNAP-SCM-CAN2B module with firmware R1.0d or...more

OPC client/code sample for Opcserver

Forum -

Does opto22 have sample code to talk to opto22 opcserver?...

OptoNews Tip: Free PAC Project sample files

Blog -

Here's a handy compilation of our most popular—and most useful—examples for PAC Control and PAC Display: PAC Project samples Greatest Hits. This collection includes sample files we've created plus files you've posted to the OptoForum.

Sample OptoMMP program (using PAC Control)

Forum -

I am usi9ng PAC Control Pro 9.3. I will be using SNAP-PAC-EB1 and Generic OptoMMP protocol. I want to program the EB1 with OptoMMP protocol. I’m looking for sample program. Interface type Ethernet for Modbus TCP....

Base64 encoding/decoding sample code

Forum -

Big thanks to Nick Stephens for donating this sample code to do the not-so-simple algorithm for base 64 encoding/decoding. The comments in the chart refer to this [URL=“http://en.wikipedia.org/wiki...more

README for DNP3 Integration Kit for PAC Control

Documents - rm_dnp3_int_kit - 2/9/2021

README file for DNP3 Integration Kit for PAC Control. IMPORTANT: The DNP3 Integration Kit for PAC Control is available as a free download from our website. It is provided as...more

Message Queue Logger

Downloads - 7/17/2008

This strategy and project demonstrate how to log messages from a controller's error (or "message") queue to the computer's hard drive. Having this information can make any...more

Requesting Code Sample - Writing to Text file in OptoScript

Forum -

I want to be able to write to a text file from OptoScript, and I would certainly appreciate it if someone can post a sample code that accomplishes this. Thanks!...

Node-RED Code Samples

Developer -

These examples will help you get started using Node-RED with your Opto 22 products.Read and Write to Opto 22 I/O—Shows how to read and write to Opto 22 digital I/O modulesGet WAN IP Address—A one-step...more

Node-RED Code Samples

Developer -

These examples will help you get started using Node-RED with groov View.Subscribe and Publish with MQTT Nodes, groov & SNAP PACShows how to acquire data over MQTT using Node‑RED, groov, and a SNAP PAC...more

Node-RED Code Samples

Developer -

These examples will help you get started using Node-RED with your Opto 22 controller.Subscribe and Publish with MQTT Nodes, groov & SNAP PACShows how to acquire data over MQTT using Node‑RED, groov...more

PAC Control REST API Code Samples for SNAP PAC

Developer -

For API syntax and tips, see the API Reference, which is generated from the Swagger specification.A C# sample that reads a point and returns the response JSON as a stringInsert Tag Values into an...more

HART Sample Subroutines for PAC Control Technical Note

Documents - 2129 - 9/26/2018

This technical note describes how to install and use the HART (Highway Addressable Remote Transducer) Sample Subroutines for PAC Control. These subroutines allow Opto 22 controllers using PAC...more

Code Samples and Videos

Developer -

By Product groovNode-RED Workshop Videos: • Fundamentals • Best Practices • Advances Nodes • Send Email NotificationsLogging groov data to an Excel WorksheetNode-REDgroov REST API SNAP...more

OptoNews: Latest groov code samples available now

Blog -

What if your operators could enter machine data on their phones and that data automatically appeared in a Microsoft® Excel® spreadsheet? What if production or usage data from your spreadsheet was...more

Code Samples for Raspberry Pi

Developer -

Tips for using a Pi to read and write to I/OOpto 22 I/O modules use negative true logic (a zero bit means On and a 1 bit means Off).When you read and write to I/O modules, 0 is On and 1 is Off.You can...more

Sharing groov Data with Microsoft Access

Downloads - 9/22/2017

This download illustrates how to use the groov RESTful API with Microsoft® Access® and Visual Basic for Applications® (VBA). Before you download, read the Legal Agreement. ...more

Historic Log File with only one sample

Forum -

I want to have a PAC Display project write an historic log file every 30 seconds containing the latest values for a number of variables. Every time the file is written, I want it to overwrite the...more