--- title: OptoBlog | OptoNews 2015-09-23 description: OptoNews 2015-09-23 | --- - [Log in](https://www.opto22.com/logon?returnurl=%2f) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us) [![Opto 22 Logo](https://blog.opto22.com/hubfs/opto22_lightsilvergradient_800px.png "Opto 22 Logo")](https://www.opto22.com) - [Products](https://www.opto22.com/products) - [What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - [Product Families](https://www.opto22.com/products/product-families) - [IIoT System Architecture](https://www.opto22.com/support/resources-tools/demos/groov-epic-groov-rio-architecture) - [MQTT Resources](https://www.opto22.com/products/mqtt-resources) - [Cybersecurity](https://www.opto22.com/products/cybersecurity) - [Power and Energy Monitoring](https://www.opto22.com/products/power-and-energy-monitoring) - [How to Buy](https://www.opto22.com/products/how-to-buy) - [Hands-On Learning and Demo Units](https://www.opto22.com/products/hands-on-learning-and-demo-units) - [Product Comparisons and Compatibility](https://www.opto22.com/products/product-comparisons-and-compatibility) - [System Configurator](https://www.opto22.com/products/system-configurator) - [Support](https://www.opto22.com/support) - [Manage groov](https://www.opto22.com/logon?returnurl=%2fmy-opto%2fmanage-groov) - [Documents](https://www.opto22.com/Support/Resources-Tools?rt=59) - [Downloads](https://www.opto22.com/Support/Resources-Tools?rt=68) - [Videos](https://www.opto22.com/Support/Videos) - [KnowledgeBase](https://www.opto22.com/Support/Resources-Tools?rt=67) - [Training](https://www.opto22.com/support/training-options) - [Troubleshooting](https://www.opto22.com/support/troubleshooting) - [Image Library](https://www.opto22.com/support/resources-tools/image-library-svg-editors) - [Developers](https://developer.opto22.com/) - [Talk to an Engineer](https://www.opto22.com/support/talk-to-an-engineer) - [Contact Us](https://www.opto22.com/support/contact-us) - [Warranties](https://www.opto22.com/support/warranties) - [Agency Approvals/Compliance](https://www.opto22.com/support/agency-approvals) - [Privacy Policy](https://www.opto22.com/support/privacy) - [About Us](https://www.opto22.com/about-us) - [History](https://www.opto22.com/about-us/history) - [Location](https://www.opto22.com/about-us/directions) - [Corporate Contacts](https://www.opto22.com/about-us/corporate-contacts) - [Opto 22 Product Philosophy](https://www.opto22.com/about-us/opto-22-product-philosophy) - [Customer Quotes/Testimonials](https://www.opto22.com/about-us/customer-quotes-testimonials) - [Virtual Tour](https://www.opto22.com/about-us/virtual-tour) - [Pressroom](https://www.opto22.com/about-us/pressroom) - [Distributors](https://www.opto22.com/about-us/distributors) - [International](https://www.opto22.com/about-us/international) - [Sustainability](https://www.opto22.com/about-us/sustainability) - [Careers](https://www.opto22.com/about-us/careers) - [Community](https://www.opto22.com/community) - [OptoPartners](https://www.opto22.com/community/opto-partners) - [Technology Partners](https://www.opto22.com/community/technology-partners) - [Education Partnerships](https://info.opto22.com/partnering-in-education) - [Opto Blog](https://blog.opto22.com/) - [Opto Forums](http://forums.opto22.com/) - [Events](https://www.opto22.com/community/events) - [Articles](https://www.opto22.com/articles) - [Log In](https://www.opto22.com/logon) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us) - [Products](https://www.opto22.com/products) - [What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - [Product Families](https://www.opto22.com/products/product-families) - [IIoT System Architecture](https://www.opto22.com/support/resources-tools/demos/groov-epic-groov-rio-architecture) - [MQTT Resources](https://www.opto22.com/products/mqtt-resources) - [Cybersecurity](https://www.opto22.com/products/cybersecurity) - [Power and Energy Monitoring](https://www.opto22.com/products/power-and-energy-monitoring) - [How to Buy](https://www.opto22.com/products/how-to-buy) - [Hands-On Learning and Demo Units](https://www.opto22.com/products/hands-on-learning-and-demo-units) - [Product Comparisons and Compatibility](https://www.opto22.com/products/product-comparisons-and-compatibility) - [System Configurator](https://www.opto22.com/products/system-configurator) - [Support](https://www.opto22.com/support) - [Manage groov](https://www.opto22.com/logon?returnurl=%2fmy-opto%2fmanage-groov) - [Documents](https://www.opto22.com/Support/Resources-Tools?rt=59) - [Downloads](https://www.opto22.com/Support/Resources-Tools?rt=68) - [Videos](https://www.opto22.com/Support/Videos) - [KnowledgeBase](https://www.opto22.com/Support/Resources-Tools?rt=67) - [Training](https://www.opto22.com/support/training-options) - [Troubleshooting](https://www.opto22.com/support/troubleshooting) - [Image Library](https://www.opto22.com/support/resources-tools/image-library-svg-editors) - [Developers](https://developer.opto22.com/) - [Talk to an Engineer](https://www.opto22.com/support/talk-to-an-engineer) - [Contact Us](https://www.opto22.com/support/contact-us) - [Warranties](https://www.opto22.com/support/warranties) - [Agency Approvals/Compliance](https://www.opto22.com/support/agency-approvals) - [Privacy Policy](https://www.opto22.com/support/privacy) - [About Us](https://www.opto22.com/about-us) - [History](https://www.opto22.com/about-us/history) - [Location](https://www.opto22.com/about-us/directions) - [Corporate Contacts](https://www.opto22.com/about-us/corporate-contacts) - [Opto 22 Product Philosophy](https://www.opto22.com/about-us/opto-22-product-philosophy) - [Customer Quotes/Testimonials](https://www.opto22.com/about-us/customer-quotes-testimonials) - [Virtual Tour](https://www.opto22.com/about-us/virtual-tour) - [Pressroom](https://www.opto22.com/about-us/pressroom) - [Distributors](https://www.opto22.com/about-us/distributors) - [International](https://www.opto22.com/about-us/international) - [Sustainability](https://www.opto22.com/about-us/sustainability) - [Careers](https://www.opto22.com/about-us/careers) - [Community](https://www.opto22.com/community) - [OptoPartners](https://www.opto22.com/community/opto-partners) - [Technology Partners](https://www.opto22.com/community/technology-partners) - [Education Partnerships](https://info.opto22.com/partnering-in-education) - [Opto Blog](https://blog.opto22.com/) - [Opto Forums](http://forums.opto22.com/) - [Events](https://www.opto22.com/community/events) - [Articles](https://www.opto22.com/articles) - [Log In](https://www.opto22.com/logon) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us)   # OptoBlog # OptoBlog ## [OptoNews: A groov mobile operator interface built just for you](https://blog.opto22.com/optoblog/optonews-groov-mobile-interface-built-for-you) Posted by [Jean Femia](https://blog.opto22.com/optoblog/author/jean-femia) on Sep 23, 2015, 5:24:00 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/OptoNews/GROOV-ACTION-PLAN_p_450.png)](https://blog.opto22.com/optoblog/optonews-groov-mobile-interface-built-for-you) Seeing your key machines and sensors on your smartphone or tablet—whether they're in your facility or remotely located—could be mighty useful, you may be thinking. But maybe you don't have the time or interest to develop your own *groov* mobile operator interface, or configure devices and set up networking. If that's the case, take a look at the [*groov* Action Plan](https://info.opto22.com/groov-action-plan-engineering-consultation). [Read More](https://blog.opto22.com/optoblog/optonews-groov-mobile-interface-built-for-you) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/optonews-groov-mobile-interface-built-for-you#comments-listing) Topics: [groov](https://blog.opto22.com/optoblog/topic/groov), [optonews](https://blog.opto22.com/optoblog/topic/optonews), [New products](https://blog.opto22.com/optoblog/topic/new-products), [OptoNews 2015-09-23](https://blog.opto22.com/optoblog/topic/optonews-2015-09-23) ## [OptoNews: Monitor Modbus RTU devices from your phone](https://blog.opto22.com/optoblog/optonews-monitor-modbus-rtu-devices-from-your-phone) Posted by [Jean Femia](https://blog.opto22.com/optoblog/author/jean-femia) on Sep 23, 2015, 5:23:00 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/OptoNews/video_groov_your_modbus_rtu.jpg)](https://blog.opto22.com/optoblog/optonews-monitor-modbus-rtu-devices-from-your-phone) You've heard us talk about how you can monitor and control your Modbus/TCP devices from a *groov* mobile operator interface on your tablet or smartphone. But what if your Modbus device uses a serial link?  [Read More](https://blog.opto22.com/optoblog/optonews-monitor-modbus-rtu-devices-from-your-phone) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/optonews-monitor-modbus-rtu-devices-from-your-phone#comments-listing) Topics: [Energy management](https://blog.opto22.com/optoblog/topic/energy-management), [Videos](https://blog.opto22.com/optoblog/topic/videos), [groov](https://blog.opto22.com/optoblog/topic/groov), [Remote monitoring](https://blog.opto22.com/optoblog/topic/remote-monitoring), [optonews](https://blog.opto22.com/optoblog/topic/optonews), [Integrators](https://blog.opto22.com/optoblog/topic/integrators), [Building management](https://blog.opto22.com/optoblog/topic/building-management), [OptoNews 2015-09-23](https://blog.opto22.com/optoblog/topic/optonews-2015-09-23) ## [OptoNews: Smart Industry in Chicago, Unlimited Electro in Tijuana](https://blog.opto22.com/optoblog/optonews-events-chicago-tijuana) Posted by [Jean Femia](https://blog.opto22.com/optoblog/author/jean-femia) on Sep 23, 2015, 5:22:04 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/OptoNews/smart_industry_2015_224x35.png)](https://blog.opto22.com/optoblog/optonews-events-chicago-tijuana) See *groov* and the SNAP PAC System in action at two trade shows in early October: - Smart Industry 2015, October 5-7 in Chicago, Illinois - Unlimited Electro, October 6-7 in Tijuana, Mexico [Read More](https://blog.opto22.com/optoblog/optonews-events-chicago-tijuana) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/optonews-events-chicago-tijuana#comments-listing) Topics: [groov](https://blog.opto22.com/optoblog/topic/groov), [PLCs](https://blog.opto22.com/optoblog/topic/plcs), [IoT](https://blog.opto22.com/optoblog/topic/iot), [optonews](https://blog.opto22.com/optoblog/topic/optonews), [PACs](https://blog.opto22.com/optoblog/topic/pacs), [Events & conferences](https://blog.opto22.com/optoblog/topic/events-conferences), [OptoNews 2015-09-23](https://blog.opto22.com/optoblog/topic/optonews-2015-09-23) ## [OptoNews Tech tip: Should I check to see if the output's still on?](https://blog.opto22.com/optoblog/optonews-tech-tip-should-i-check-if-output-still-on) Posted by [Jean Femia](https://blog.opto22.com/optoblog/author/jean-femia) on Sep 23, 2015, 5:21:15 PM - [Tweet](https://twitter.com/share) [![](https://blog.opto22.com/hubfs/OptoNews/flags_464x487.png)](https://blog.opto22.com/optoblog/optonews-tech-tip-should-i-check-if-output-still-on) When you turn on an output, do you set a flag and then check it to see the output's status before turning the output on again?  Or do you just turn it on without checking? Is setting a flag a good way to speed up the program and avoid tying up the network with unnecessary communications to I/O? Or does it just add a lot of extra variables and decision blocks that make debugging and maintenance harder? [Read More](https://blog.opto22.com/optoblog/optonews-tech-tip-should-i-check-if-output-still-on) 0 Comments [Click here to read/write comments](https://blog.opto22.com/optoblog/optonews-tech-tip-should-i-check-if-output-still-on#comments-listing) Topics: [Discrete control](https://blog.opto22.com/optoblog/topic/discrete-control), [Tips](https://blog.opto22.com/optoblog/topic/tips), [optonews](https://blog.opto22.com/optoblog/topic/optonews), [PACs](https://blog.opto22.com/optoblog/topic/pacs), [I/O](https://blog.opto22.com/optoblog/topic/io), [PAC Project](https://blog.opto22.com/optoblog/topic/pac-project), [OptoNews 2015-09-23](https://blog.opto22.com/optoblog/topic/optonews-2015-09-23) [All posts](https://blog.opto22.com/optoblog/all) ### Subscribe to Email Updates ### Recent Posts ### Posts by Topic - [groov EPIC (507)](https://blog.opto22.com/optoblog/topic/groov-epic) - [groov RIO (302)](https://blog.opto22.com/optoblog/topic/groov-rio) - [optonews (218)](https://blog.opto22.com/optoblog/topic/optonews) - [IIoT (214)](https://blog.opto22.com/optoblog/topic/iiot) - [groov (192)](https://blog.opto22.com/optoblog/topic/groov) - [IoT (148)](https://blog.opto22.com/optoblog/topic/iot) - [Ignition (131)](https://blog.opto22.com/optoblog/topic/ignition) - [Internet of Things (131)](https://blog.opto22.com/optoblog/topic/internet-of-things) - [Node-RED (129)](https://blog.opto22.com/optoblog/topic/node-red) - [PACs (127)](https://blog.opto22.com/optoblog/topic/pacs) - [MQTT (125)](https://blog.opto22.com/optoblog/topic/mqtt) - [Events & conferences (117)](https://blog.opto22.com/optoblog/topic/events-conferences) - [Case studies (110)](https://blog.opto22.com/optoblog/topic/case-studies) - [Industrial Internet of Things (104)](https://blog.opto22.com/optoblog/topic/industrial-internet-of-things) - [Videos (96)](https://blog.opto22.com/optoblog/topic/videos) - [Updates (82)](https://blog.opto22.com/optoblog/topic/updates) - [Tips (81)](https://blog.opto22.com/optoblog/topic/tips) - [OptoPartner (76)](https://blog.opto22.com/optoblog/topic/optopartner) - [Integrators (75)](https://blog.opto22.com/optoblog/topic/integrators) - [Remote monitoring (75)](https://blog.opto22.com/optoblog/topic/remote-monitoring) - [Ignition Edge (74)](https://blog.opto22.com/optoblog/topic/ignition-edge) - [Webinars (70)](https://blog.opto22.com/optoblog/topic/webinars) - [I/O (69)](https://blog.opto22.com/optoblog/topic/io) - [Process control (69)](https://blog.opto22.com/optoblog/topic/process-control) - [Energy management (64)](https://blog.opto22.com/optoblog/topic/energy-management) - [CODESYS (62)](https://blog.opto22.com/optoblog/topic/codesys) - [Training (58)](https://blog.opto22.com/optoblog/topic/training) - [PAC Control (52)](https://blog.opto22.com/optoblog/topic/pac-control) - [PAC Project (49)](https://blog.opto22.com/optoblog/topic/pac-project) - [groov View (49)](https://blog.opto22.com/optoblog/topic/groov-view) - [OEM (48)](https://blog.opto22.com/optoblog/topic/oem) - [cybersecurity (48)](https://blog.opto22.com/optoblog/topic/cybersecurity) - [digital transformation (46)](https://blog.opto22.com/optoblog/topic/digital-transformation) - [Discrete control (45)](https://blog.opto22.com/optoblog/topic/discrete-control) - [Firmware (40)](https://blog.opto22.com/optoblog/topic/firmware) - [Machine builder (40)](https://blog.opto22.com/optoblog/topic/machine-builder) - [edge computing (39)](https://blog.opto22.com/optoblog/topic/edge-computing) - [EPIC (37)](https://blog.opto22.com/optoblog/topic/epic) - [system integrator (37)](https://blog.opto22.com/optoblog/topic/system-integrator) - [Inductive Automation (35)](https://blog.opto22.com/optoblog/topic/inductive-automation) - [industrial automation (34)](https://blog.opto22.com/optoblog/topic/industrial-automation) - [groov Manage (33)](https://blog.opto22.com/optoblog/topic/groov-manage) - [Data acquisition (31)](https://blog.opto22.com/optoblog/topic/data-acquisition) - [Ignition Community Conference (31)](https://blog.opto22.com/optoblog/topic/ignition-community-conference) - [Factory Training (30)](https://blog.opto22.com/optoblog/topic/factory-training) - [Security (30)](https://blog.opto22.com/optoblog/topic/security) - [Sparkplug (30)](https://blog.opto22.com/optoblog/topic/sparkplug) - [snap pac (29)](https://blog.opto22.com/optoblog/topic/snap-pac) - [Networking (28)](https://blog.opto22.com/optoblog/topic/networking) - [REST API (26)](https://blog.opto22.com/optoblog/topic/rest-api) - [New products (25)](https://blog.opto22.com/optoblog/topic/new-products) - [Technology Partners (24)](https://blog.opto22.com/optoblog/topic/technology-partners) - [Water & wastewater (23)](https://blog.opto22.com/optoblog/topic/water-amp-wastewater) - [PLCs (21)](https://blog.opto22.com/optoblog/topic/plcs) - [manufacturing (21)](https://blog.opto22.com/optoblog/topic/manufacturing) - [API (20)](https://blog.opto22.com/optoblog/topic/api) - [Cirrus Link Solutions (20)](https://blog.opto22.com/optoblog/topic/cirrus-link-solutions) - [developer (20)](https://blog.opto22.com/optoblog/topic/developer) - [groov EPIC Learning Center (20)](https://blog.opto22.com/optoblog/topic/groov-epic-learning-center) - [OptoU (19)](https://blog.opto22.com/optoblog/topic/optou) - [smart manufacturing (19)](https://blog.opto22.com/optoblog/topic/smart-manufacturing) - [Electronics (18)](https://blog.opto22.com/optoblog/topic/electronics) - [HMI (18)](https://blog.opto22.com/optoblog/topic/hmi) - [OPC UA (18)](https://blog.opto22.com/optoblog/topic/opc-ua) - [Oil & gas (18)](https://blog.opto22.com/optoblog/topic/oil-gas) - [groov rio emu (18)](https://blog.opto22.com/optoblog/topic/groov-rio-emu) - [Food & beverage (17)](https://blog.opto22.com/optoblog/topic/food-amp-beverage) - [OptoPartner video (17)](https://blog.opto22.com/optoblog/topic/optopartner-video) - [energy monitoring (17)](https://blog.opto22.com/optoblog/topic/energy-monitoring) - [podcast (17)](https://blog.opto22.com/optoblog/topic/podcast) - [Building management (16)](https://blog.opto22.com/optoblog/topic/building-management) - [Awards and recognition (15)](https://blog.opto22.com/optoblog/topic/awards-and-recognition) - [REST (15)](https://blog.opto22.com/optoblog/topic/rest) - [SCADA (15)](https://blog.opto22.com/optoblog/topic/scada) - [mobile (15)](https://blog.opto22.com/optoblog/topic/mobile) - [Migration (14)](https://blog.opto22.com/optoblog/topic/migration) - [OptoChannel (13)](https://blog.opto22.com/optoblog/topic/optochannel) - [EPIC Security (12)](https://blog.opto22.com/optoblog/topic/epic-security) - [Opto 22 product support (12)](https://blog.opto22.com/optoblog/topic/opto-22-product-support) - [groov Manage series (12)](https://blog.opto22.com/optoblog/topic/groov-manage-series) - [I/O modules (11)](https://blog.opto22.com/optoblog/topic/i-o-modules) - [Modbus (11)](https://blog.opto22.com/optoblog/topic/modbus) - [OptoForum (11)](https://blog.opto22.com/optoblog/topic/optoforum) - [PAC Manager (11)](https://blog.opto22.com/optoblog/topic/pac-manager) - [power monitoring (11)](https://blog.opto22.com/optoblog/topic/power-monitoring) - [PAC Display (10)](https://blog.opto22.com/optoblog/topic/pac-display) - [oil and gas (10)](https://blog.opto22.com/optoblog/topic/oil-and-gas) - [Art of the Possible (9)](https://blog.opto22.com/optoblog/topic/art-of-the-possible) - [Deepsea Challenge (9)](https://blog.opto22.com/optoblog/topic/deepsea-challenge) - [IntegrateLive! (9)](https://blog.opto22.com/optoblog/topic/integratelive) - [OT data (9)](https://blog.opto22.com/optoblog/topic/ot-data) - [PID loop control (9)](https://blog.opto22.com/optoblog/topic/pid-loop-control) - [RESTful server (9)](https://blog.opto22.com/optoblog/topic/restful-server) - [Raspberry Pi (9)](https://blog.opto22.com/optoblog/topic/raspberry-pi) - [holiday schedule (9)](https://blog.opto22.com/optoblog/topic/holiday-schedule) - [white paper (9)](https://blog.opto22.com/optoblog/topic/white-paper) - [Automation World (8)](https://blog.opto22.com/optoblog/topic/automation-world) - [Edge I/O (8)](https://blog.opto22.com/optoblog/topic/edge-i-o) - [I/O (8)](https://blog.opto22.com/optoblog/topic/i-o) - [SSRs (8)](https://blog.opto22.com/optoblog/topic/ssrs) - [Unified Namespace (8)](https://blog.opto22.com/optoblog/topic/unified-namespace) - [data visualization (8)](https://blog.opto22.com/optoblog/topic/data-visualization) - [holiday hours (8)](https://blog.opto22.com/optoblog/topic/holiday-hours) - [webinar (8)](https://blog.opto22.com/optoblog/topic/webinar) - [IEC 61131-3 (7)](https://blog.opto22.com/optoblog/topic/iec-61131-3) - [Ignition Cloud Edition (7)](https://blog.opto22.com/optoblog/topic/ignition-cloud-edition) - [MQTT implementation (7)](https://blog.opto22.com/optoblog/topic/mqtt-implementation) - [Who's groovin (7)](https://blog.opto22.com/optoblog/topic/whos-groovin) - [groov server for windows (7)](https://blog.opto22.com/optoblog/topic/groov-server-for-windows) - [secure shell (7)](https://blog.opto22.com/optoblog/topic/secure-shell) - [technical tips (7)](https://blog.opto22.com/optoblog/topic/technical-tips) - [ARC Forum (6)](https://blog.opto22.com/optoblog/topic/arc-forum) - [Careers (6)](https://blog.opto22.com/optoblog/topic/careers) - [EPIC Security Series (6)](https://blog.opto22.com/optoblog/topic/epic-security-series) - [Eclipse Foundation (6)](https://blog.opto22.com/optoblog/topic/eclipse-foundation) - [Ignition Community Live (6)](https://blog.opto22.com/optoblog/topic/ignition-community-live) - [Linux (6)](https://blog.opto22.com/optoblog/topic/linux) - [data center (6)](https://blog.opto22.com/optoblog/topic/data-center) - [interactive demo (6)](https://blog.opto22.com/optoblog/topic/interactive-demo) - [machine monitoring (6)](https://blog.opto22.com/optoblog/topic/machine-monitoring) - [open source (6)](https://blog.opto22.com/optoblog/topic/open-source) - [ssh (6)](https://blog.opto22.com/optoblog/topic/ssh) - [Anniversary (5)](https://blog.opto22.com/optoblog/topic/anniversary) - [Digital I/O for Raspberry Pi (5)](https://blog.opto22.com/optoblog/topic/digital-i-o-for-raspberry-pi) - [IIoT System Architecture (5)](https://blog.opto22.com/optoblog/topic/iiot-system-architecture) - [OptoNews 2015-12-02 (5)](https://blog.opto22.com/optoblog/topic/optonews-2015-12-02) - [OptoOPCServer (5)](https://blog.opto22.com/optoblog/topic/optoopcserver) - [SVG (5)](https://blog.opto22.com/optoblog/topic/svg) - [certificate (5)](https://blog.opto22.com/optoblog/topic/certificate) - [cloud computing (5)](https://blog.opto22.com/optoblog/topic/cloud-computing) - [product philosophy (5)](https://blog.opto22.com/optoblog/topic/product-philosophy) - [software (5)](https://blog.opto22.com/optoblog/topic/software) - [system integration (5)](https://blog.opto22.com/optoblog/topic/system-integration) - [CODESYS blog series (4)](https://blog.opto22.com/optoblog/topic/codesys-blog-series) - [COVID-19 Update (4)](https://blog.opto22.com/optoblog/topic/covid-19-update) - [EdgeX (4)](https://blog.opto22.com/optoblog/topic/edgex) - [HiveMQ (4)](https://blog.opto22.com/optoblog/topic/hivemq) - [OpenVPN (4)](https://blog.opto22.com/optoblog/topic/openvpn) - [OptoDataLink (4)](https://blog.opto22.com/optoblog/topic/optodatalink) - [OptoNews 2015-03-04 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-03-04) - [OptoNews 2015-03-18 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-03-18) - [OptoNews 2015-04-01 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-04-01) - [OptoNews 2015-04-15 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-04-15) - [OptoNews 2015-04-29 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-04-29) - [OptoNews 2015-05-21 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-05-21) - [OptoNews 2015-06-03 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-06-03) - [OptoNews 2015-06-17 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-06-17) - [OptoNews 2015-07-01 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-07-01) - [OptoNews 2015-07-15 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-07-15) - [OptoNews 2015-07-29 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-07-29) - [OptoNews 2015-08-12 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-08-12) - [OptoNews 2015-08-26 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-08-26) - [OptoNews 2015-09-09 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-09-09) - [OptoNews 2015-09-23 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-09-23) - [OptoNews 2015-10-07 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-10-07) - [OptoNews 2015-10-21 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-10-21) - [OptoNews 2015-11-04 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-11-04) - [OptoNews 2015-11-18 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-11-18) - [OptoNews 2015-12-16 (4)](https://blog.opto22.com/optoblog/topic/optonews-2015-12-16) - [OptoNews 2016-01-06 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-01-06) - [OptoNews 2016-01-20 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-01-20) - [OptoNews 2016-02-03 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-02-03) - [OptoNews 2016-02-17 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-02-17) - [OptoNews 2016-03-02 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-03-02) - [OptoNews 2016-03-16 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-03-16) - [OptoNews 2016-03-30 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-03-30) - [OptoNews 2016-04-13 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-04-13) - [OptoNews 2016-04-27 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-04-27) - [OptoNews 2016-05-11 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-05-11) - [OptoNews 2016-05-25 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-05-25) - [OptoNews 2016-06-08 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-06-08) - [OptoNews 2016-06-22 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-06-22) - [OptoNews 2016-07-06 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-07-06) - [OptoNews 2016-08-03 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-08-03) - [OptoNews 2016-08-31 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-08-31) - [OptoNews 2016-09-14 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-09-14) - [OptoNews 2016-09-28 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-09-28) - [OptoNews 2016-10-12 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-10-12) - [OptoNews 2016-10-26 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-10-26) - [OptoNews 2016-11-09 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-11-09) - [OptoNews 2016-11-30 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-11-30) - [OptoNews 2016-12-14 (4)](https://blog.opto22.com/optoblog/topic/optonews-2016-12-14) - [OptoNews 2017-01-04 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-01-04) - [OptoNews 2017-01-18 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-01-18) - [OptoNews 2017-02-01 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-02-01) - [OptoNews 2017-02-15 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-02-15) - [OptoNews 2017-03-01 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-03-01) - [OptoNews 2017-03-15 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-03-15) - [OptoNews 2017-03-29 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-03-29) - [OptoNews 2017-04-12 (4)](https://blog.opto22.com/optoblog/topic/optonews-2017-04-12) - [Optomux (4)](https://blog.opto22.com/optoblog/topic/optomux) - [UNS (4)](https://blog.opto22.com/optoblog/topic/uns) - [machine data (4)](https://blog.opto22.com/optoblog/topic/machine-data) - [product design (4)](https://blog.opto22.com/optoblog/topic/product-design) - [serial module (4)](https://blog.opto22.com/optoblog/topic/serial-module) - [DMC guest blog (3)](https://blog.opto22.com/optoblog/topic/dmc-guest-blog) - [Discovery Day (3)](https://blog.opto22.com/optoblog/topic/discovery-day) - [G4 I/O (3)](https://blog.opto22.com/optoblog/topic/g4-i-o) - [GIF (3)](https://blog.opto22.com/optoblog/topic/gif) - [GPIO (3)](https://blog.opto22.com/optoblog/topic/gpio) - [ICC (3)](https://blog.opto22.com/optoblog/topic/icc) - [Insider (3)](https://blog.opto22.com/optoblog/topic/insider) - [Made in USA (3)](https://blog.opto22.com/optoblog/topic/made-in-usa) - [OEE (3)](https://blog.opto22.com/optoblog/topic/oee) - [OptoMMP (3)](https://blog.opto22.com/optoblog/topic/optommp) - [OptoNews 2016-08-17 (3)](https://blog.opto22.com/optoblog/topic/optonews-2016-08-17) - [OptoTagPreserve (3)](https://blog.opto22.com/optoblog/topic/optotagpreserve) - [YouTube (3)](https://blog.opto22.com/optoblog/topic/youtube) - [control engineering (3)](https://blog.opto22.com/optoblog/topic/control-engineering) - [groov RIO Learning Center (3)](https://blog.opto22.com/optoblog/topic/groov-rio-learning-center) - [open source software (3)](https://blog.opto22.com/optoblog/topic/open-source-software) - [python (3)](https://blog.opto22.com/optoblog/topic/python) - [virtual workshop (3)](https://blog.opto22.com/optoblog/topic/virtual-workshop) - [AI (2)](https://blog.opto22.com/optoblog/topic/ai) - [Aggregates & concrete (2)](https://blog.opto22.com/optoblog/topic/aggregates-amp-concrete) - [Build-a-Thon (2)](https://blog.opto22.com/optoblog/topic/build-a-thon) - [Expert Interview series (2)](https://blog.opto22.com/optoblog/topic/expert-interview-series) - [Firmware Engineer (2)](https://blog.opto22.com/optoblog/topic/firmware-engineer) - [LDAP (2)](https://blog.opto22.com/optoblog/topic/ldap) - [LoRaWAN (2)](https://blog.opto22.com/optoblog/topic/lorawan) - [MES (2)](https://blog.opto22.com/optoblog/topic/mes) - [MariaDB (2)](https://blog.opto22.com/optoblog/topic/mariadb) - [Sepasoft (2)](https://blog.opto22.com/optoblog/topic/sepasoft) - [Snowflake (2)](https://blog.opto22.com/optoblog/topic/snowflake) - [SoftPAC (2)](https://blog.opto22.com/optoblog/topic/softpac) - [Spanish (2)](https://blog.opto22.com/optoblog/topic/spanish) - [Technical Writer (2)](https://blog.opto22.com/optoblog/topic/technical-writer) - [Version 3.4 update (2)](https://blog.opto22.com/optoblog/topic/version-3-4-update) - [Windows 10 (2)](https://blog.opto22.com/optoblog/topic/windows-10) - [automation 101 (2)](https://blog.opto22.com/optoblog/topic/automation-101) - [compliance (2)](https://blog.opto22.com/optoblog/topic/compliance) - [email notifications (2)](https://blog.opto22.com/optoblog/topic/email-notifications) - [firewall (2)](https://blog.opto22.com/optoblog/topic/firewall) - [serial (2)](https://blog.opto22.com/optoblog/topic/serial) - [21 CFR Part 11 (1)](https://blog.opto22.com/optoblog/topic/21-cfr-part-11) - [Amazon Web Services (1)](https://blog.opto22.com/optoblog/topic/amazon-web-services) - [Applications Engineer (1)](https://blog.opto22.com/optoblog/topic/applications-engineer) - [Big data (1)](https://blog.opto22.com/optoblog/topic/big-data) - [CNC (1)](https://blog.opto22.com/optoblog/topic/cnc) - [Ciberseguridad (1)](https://blog.opto22.com/optoblog/topic/ciberseguridad) - [Colombia (1)](https://blog.opto22.com/optoblog/topic/colombia) - [Corso Systems (1)](https://blog.opto22.com/optoblog/topic/corso-systems) - [Discover Gallery (1)](https://blog.opto22.com/optoblog/topic/discover-gallery) - [ENTELEC (1)](https://blog.opto22.com/optoblog/topic/entelec) - [EaaS (1)](https://blog.opto22.com/optoblog/topic/eaas) - [Education Partnerships (1)](https://blog.opto22.com/optoblog/topic/education-partnerships) - [Grafana (1)](https://blog.opto22.com/optoblog/topic/grafana) - [HART (1)](https://blog.opto22.com/optoblog/topic/hart) - [HVAC (1)](https://blog.opto22.com/optoblog/topic/hvac) - [HighByte (1)](https://blog.opto22.com/optoblog/topic/highbyte) - [Industrial Ethernet Book (1)](https://blog.opto22.com/optoblog/topic/industrial-ethernet-book) - [LinkedIn (1)](https://blog.opto22.com/optoblog/topic/linkedin) - [Log4Shell (1)](https://blog.opto22.com/optoblog/topic/log4shell) - [Log4j (1)](https://blog.opto22.com/optoblog/topic/log4j) - [Lucidchart (1)](https://blog.opto22.com/optoblog/topic/lucidchart) - [M-Bus (1)](https://blog.opto22.com/optoblog/topic/m-bus) - [Modern Elteknik (1)](https://blog.opto22.com/optoblog/topic/modern-elteknik) - [MySQL (1)](https://blog.opto22.com/optoblog/topic/mysql) - [Opto 22 (1)](https://blog.opto22.com/optoblog/topic/opto-22) - [OptoChat (1)](https://blog.opto22.com/optoblog/topic/optochat) - [OptoNews 2016-07-20 (1)](https://blog.opto22.com/optoblog/topic/optonews-2016-07-20) - [PLC programming (1)](https://blog.opto22.com/optoblog/topic/plc-programming) - [Pamux (1)](https://blog.opto22.com/optoblog/topic/pamux) - [PostgreSQL (1)](https://blog.opto22.com/optoblog/topic/postgresql) - [RS232 (1)](https://blog.opto22.com/optoblog/topic/rs232) - [RTD (1)](https://blog.opto22.com/optoblog/topic/rtd) - [SPS (1)](https://blog.opto22.com/optoblog/topic/sps) - [Sweden (1)](https://blog.opto22.com/optoblog/topic/sweden) - [Tatsoft (1)](https://blog.opto22.com/optoblog/topic/tatsoft) - [User Accounts (1)](https://blog.opto22.com/optoblog/topic/user-accounts) - [Veteran's Day (1)](https://blog.opto22.com/optoblog/topic/veterans-day) - [Virtual Tour (1)](https://blog.opto22.com/optoblog/topic/virtual-tour) - [aerospace (1)](https://blog.opto22.com/optoblog/topic/aerospace) - [analisisydatos (1)](https://blog.opto22.com/optoblog/topic/analisisydatos) - [analog input module (1)](https://blog.opto22.com/optoblog/topic/analog-input-module) - [automatizacion (1)](https://blog.opto22.com/optoblog/topic/automatizacion) - [blockchain (1)](https://blog.opto22.com/optoblog/topic/blockchain) - [current transformers (1)](https://blog.opto22.com/optoblog/topic/current-transformers) - [customer service (1)](https://blog.opto22.com/optoblog/topic/customer-service) - [encryption (1)](https://blog.opto22.com/optoblog/topic/encryption) - [groov Admin (1)](https://blog.opto22.com/optoblog/topic/groov-admin) - [groov System Configurator (1)](https://blog.opto22.com/optoblog/topic/groov-system-configurator) - [groov maintenance license (1)](https://blog.opto22.com/optoblog/topic/groov-maintenance-license) - [indoor agriculture (1)](https://blog.opto22.com/optoblog/topic/indoor-agriculture) - [instrumentacion (1)](https://blog.opto22.com/optoblog/topic/instrumentacion) - [inteligenciaindustrial (1)](https://blog.opto22.com/optoblog/topic/inteligenciaindustrial) - [json (1)](https://blog.opto22.com/optoblog/topic/json) - [machine learning (1)](https://blog.opto22.com/optoblog/topic/machine-learning) - [maintenance technician (1)](https://blog.opto22.com/optoblog/topic/maintenance-technician) - [mining (1)](https://blog.opto22.com/optoblog/topic/mining) - [network segmentation (1)](https://blog.opto22.com/optoblog/topic/network-segmentation) - [port redirect (1)](https://blog.opto22.com/optoblog/topic/port-redirect) - [predictive maintenance (1)](https://blog.opto22.com/optoblog/topic/predictive-maintenance) - [redundancy (1)](https://blog.opto22.com/optoblog/topic/redundancy) - [reverse osmosis (1)](https://blog.opto22.com/optoblog/topic/reverse-osmosis) - [sdk (1)](https://blog.opto22.com/optoblog/topic/sdk) - [supply chain (1)](https://blog.opto22.com/optoblog/topic/supply-chain) - [temperature sensor (1)](https://blog.opto22.com/optoblog/topic/temperature-sensor) - [time proportional output (1)](https://blog.opto22.com/optoblog/topic/time-proportional-output) - [visio stencils (1)](https://blog.opto22.com/optoblog/topic/visio-stencils) - [wellsite automation (1)](https://blog.opto22.com/optoblog/topic/wellsite-automation) see all - [Products](https://www.opto22.com/products) - [Product Selector](https://www.opto22.com/products/product-selector) - [groov System](https://www.opto22.com/products/groov) - [I/O](https://www.opto22.com/products/i-o) - [Logic](https://www.opto22.com/products/logic) - [Data](https://www.opto22.com/products/data) - [Visualization](https://www.opto22.com/products/visualization) - [Accessories](https://www.opto22.com/products/accessories) - [Product Families](https://www.opto22.com/products/product-families) - [How to Buy](https://www.opto22.com/products/how-to-buy) - [Product Comparisons and Compatibility](https://www.opto22.com/products/product-comparisons-and-compatibility) - [SNAP I/O Configurator](https://www.opto22.com/products/snap-i-o-configurator) - [Support](https://www.opto22.com/support) - [Contact Support](https://www.opto22.com/support/contact-us) - [Warranties](https://www.opto22.com/support/warranties) - [Troubleshooting](https://www.opto22.com/support/troubleshooting) - [Documents](https://www.opto22.com/support/documents-redirect) - [Downloads](https://www.opto22.com/support/downloads-redirect) - [Videos](https://www.opto22.com/support/videos-redirect) - [KnowledgeBase](https://www.opto22.com/support/optoknowledgebase-redirect) - [Training](https://www.opto22.com/support/training-options) - [About Us](https://www.opto22.com/about-us) - [Distributors](https://www.opto22.com/about-us/distributors) - [Pressroom](https://www.opto22.com/about-us/pressroom) - [Careers](https://www.opto22.com/about-us/careers) - [History](https://www.opto22.com/about-us/history) - [Corporate Contacts](https://www.opto22.com/about-us/corporate-contacts) - [Sustainability](https://www.opto22.com/about-us/sustainability) - [International](https://www.opto22.com/about-us/international) - [Location](https://www.opto22.com/about-us/directions) - [Community](https://www.opto22.com/community) - [Opto Partners](https://www.opto22.com/community/opto-partners) - [Opto Blog](https://www.opto22.com/community/opto-blog) - [Opto Forums](https://www.opto22.com/community/opto-forums) - [Events](https://www.opto22.com/community/events) - [Products](https://www.opto22.com/products) - [What Do You Want to Do?](https://www.opto22.com/products/what-do-you-want-to-do) - [groov RIO](https://www.opto22.com/products/groov-rio) - [groov EPIC System](https://www.opto22.com/products/groov-epic-system) - [Case Studies](https://www.opto22.com/products/groov-case-studies) - [Product Selector](https://www.opto22.com/products/product-selector) - [Product Families](https://www.opto22.com/products/product-families) - [IIoT System Architecture](https://www.opto22.com/support/resources-tools/demos/groov-epic-groov-rio-architecture) - [MQTT Resources](https://www.opto22.com/products/mqtt-resources) - [Cybersecurity](https://www.opto22.com/products/cybersecurity) - [Power and Energy Monitoring](https://www.opto22.com/products/power-and-energy-monitoring) - [How to Buy](https://www.opto22.com/products/how-to-buy) - [Hands-On Learning and Demo Units](https://www.opto22.com/products/hands-on-learning-and-demo-units) - [Product Comparisons and Compatibility](https://www.opto22.com/products/product-comparisons-and-compatibility) - [System Configurator](https://www.opto22.com/products/system-configurator) - [Support](https://www.opto22.com/support) - [Manage groov](https://www.opto22.com/logon?returnurl=%2fmy-opto%2fmanage-groov) - [Documents](https://www.opto22.com/Support/Resources-Tools?rt=59) - [Downloads](https://www.opto22.com/Support/Resources-Tools?rt=68) - [Videos](https://www.opto22.com/Support/Videos) - [KnowledgeBase](https://www.opto22.com/Support/Resources-Tools?rt=67) - [Training](https://www.opto22.com/support/training-options) - [Troubleshooting](https://www.opto22.com/support/troubleshooting) - [Image Library](https://www.opto22.com/support/resources-tools/image-library-svg-editors) - [Developers](https://developer.opto22.com/) - [Talk to an Engineer](https://www.opto22.com/support/talk-to-an-engineer) - [Contact Us](https://www.opto22.com/support/contact-us) - [Warranties](https://www.opto22.com/support/warranties) - [Agency Approvals/Compliance](https://www.opto22.com/support/agency-approvals) - [Privacy Policy](https://www.opto22.com/support/privacy) - [About Us](https://www.opto22.com/about-us) - [History](https://www.opto22.com/about-us/history) - [Location](https://www.opto22.com/about-us/directions) - [Corporate Contacts](https://www.opto22.com/about-us/corporate-contacts) - [Opto 22 Product Philosophy](https://www.opto22.com/about-us/opto-22-product-philosophy) - [Customer Quotes/Testimonials](https://www.opto22.com/about-us/customer-quotes-testimonials) - [Virtual Tour](https://www.opto22.com/about-us/virtual-tour) - [Pressroom](https://www.opto22.com/about-us/pressroom) - [Distributors](https://www.opto22.com/about-us/distributors) - [International](https://www.opto22.com/about-us/international) - [Sustainability](https://www.opto22.com/about-us/sustainability) - [Careers](https://www.opto22.com/about-us/careers) - [Community](https://www.opto22.com/community) - [OptoPartners](https://www.opto22.com/community/opto-partners) - [Technology Partners](https://www.opto22.com/community/technology-partners) - [Education Partnerships](https://info.opto22.com/partnering-in-education) - [Opto Blog](https://blog.opto22.com/) - [Opto Forums](http://forums.opto22.com/) - [Events](https://www.opto22.com/community/events) - [Articles](https://www.opto22.com/articles) - [Log In](https://www.opto22.com/logon) - [Register](https://www.opto22.com/Special-Pages/Logon.aspx) - [Your Cart](https://www.opto22.com/Checkout/Shopping-Cart) - [Contact Us](https://www.opto22.com/support/contact-us) © 2026 Opto22 [Terms and Conditions](https://preview.opto22.com/special-pages/terms-conditions) | [Privacy](https://preview.opto22.com/special-pages/privacy) **(800) 321 OPTO (6786)** | 43044 Business Park Drive, Temecula CA 92590 USA