OptoBlog

OptoNews Tip: Video shows how to wire new spring clamps

Posted by Jean Femia on Mar 30, 2016 3:33:10 PM

Some recent Opto 22 products, like the SNAP-UDC-HDB breakout board and the 8-channel SNAP-AIRTD-8U analog input module, use new spring clamps for wiring field devices.

These spring clamps are faster for wiring and take up less space than the screw type, so they're a real advantage.

They may be a little tricky till you get used to them, though.

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Topics: Videos, Tips, optonews, I/O, OptoNews 2016-03-30

OptoNews: More features and I/O for legacy systems

Posted by Jean Femia on Mar 2, 2016 4:18:19 PM

Move up to SNAP PAC—and keep racks and field wiring intact

Have you seen some of our newer high-density, high-speed, or multifunction I/O modules and wished you could use them in your legacy SNAP Ultimate or SNAP Ethernet I/O system? 

Have you wanted to build an easy-to-use groov mobile interface for your legacy system?

Or wanted to log a lot more data locally? 

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Topics: optonews, PACs, Integrators, I/O, OptoNews 2016-03-02

OptoNews: New compact breakout board saves cabinet space

Posted by Jean Femia on Jan 20, 2016 4:12:04 PM

If you use high-density 32-point SNAP digital I/O modules, you'll be interested in our latest breakout board: the SNAP-UDC-HDB.

The small footprint of this new board makes it ideal for use in cramped areas. Just 3.32 x 3.95 x 2.27 inches high (8.43 x 10.03 x 5.77 cm), the SNAP-UDC-UDB fits in tight places but still gives you room to wire all 32 points to field devices.

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Topics: Discrete control, Machine builder, optonews, New products, Integrators, I/O, OptoNews 2016-01-20

OptoNews: Thank you for honoring us as your First Team

Posted by Jean Femia on Jan 20, 2016 4:10:33 PM


The Automation World Leadership in Automation First Team Honorees are chosen solely by write-ins from readers, rather than prompted answers from a list of companies.

That's why we feel especially honored that Opto 22 received First Team awards in two categories for 2015: Data Acquisition Hardware and Mobility.

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Topics: groov, optonews, I/O, Awards and recognition, OptoNews 2016-01-20

OptoNews: New board adds G4 power to SNAP HDD modules

Posted by Jean Femia on Jan 6, 2016 4:47:03 PM

How do you sense or switch loads up to 3 amps with each of the 32 points on a SNAP high-density digital (HDD) I/O module?

Here's how: the new SNAP-UDC-HDB-G4 breakout board.

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Topics: Discrete control, optonews, New products, I/O, OptoNews 2016-01-06

OptoNews Tip: More power, more I/O for legacy systems

Posted by Jean Femia on Dec 16, 2015 4:53:08 PM

Move up without changing racks or field wiring

Have you seen some of our newer high-density, high-speed, or multifunction I/O modules and wished you could use them in your legacy SNAP Ultimate or SNAP Ethernet I/O system? 

Have you wanted to build an easy-to-use groov mobile interface for your legacy system?

Or wanted to log a lot more data locally? 

If so, we have a tip for you: check out the SNAP-PAC-R1-B programmable automation controller

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Topics: Updates, Tips, optonews, PACs, New products, Migration, I/O, OptoNews 2015-12-16

OptoNews: Accuracy/Resolution hands-on demo

Posted by Jean Femia on Dec 2, 2015 4:26:24 PM

In an earlier OptoNews we defined the terms accuracy and resolution as they apply to analog I/O modules. 

These specs help you choose the right module for the job, so you get the results you need.

Some applications require highly accurate values or very fine resolution, while others do not. Choosing the right module for your application will save you time and money.

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Topics: Process control, optonews, I/O, OptoNews 2015-12-02

OptoNews Tip: Analog totalizing—without the calculus

Posted by Jean Femia on Dec 2, 2015 4:23:54 PM

Suppose you have an analog inputmaybe it's a flow meter, for example—and you want to know not only the current flow rate, but also the cumulative flow over time.

How many gallons went through that pipe over the last 24 hours, or over the last month? 

If you're using an Opto 22 analog input module and PAC Control, you're in luck. 

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Topics: Energy management, Process control, Tips, optonews, I/O, PAC Project, OptoNews 2015-12-02

OptoNews: New SNAP mechanical relay output has integrated transient suppression

Posted by Jean Femia on Nov 18, 2015 5:27:11 PM

The new SNAP-OMR6T-C mechanical power relay output module offers four points to switch loads up to 6 amps at 250 VAC or 30 VDC.

AND it includes integrated transient suppression, while maintaining minimal leakage current. 

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Topics: Discrete control, optonews, New products, I/O, OptoNews 2015-11-18

OptoNews: G4 I/O - Going strong since 1989

Posted by Jean Femia on Nov 4, 2015 4:57:08 PM


If you've used Opto 22 products for a long time, you may very well have some colorful G4 digital I/O modules in a panel somewhere. They were probably installed back in the 1990s.

Still reliably monitoring sensors and activating outputs, these G4s are likely the workhorses of your automation system. Why would you ever want to replace them?

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Topics: Discrete control, optonews, Migration, I/O, PAC Project, Optomux, OptoNews 2015-11-04

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