Category Archive: PLC

Upgrading legacy PLC systems.

Apr 29

Three Different Approaches to Safety PLC’s

Streat Automation has completed a number of safety PLC projects using Rockwell, SICK and Siemens PLC hardware.  Each of these suppliers has a different approach to implementing safety in a PLC controller. Rockwell offer an ‘integrated’ solution called GuardLogix with both the process software and safety software integrated into a single project.  The safety IO …

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Apr 22

Connecting your PLC to the internet using an eWON

    We have recently completed a project using the eWON Flexy to connect a PLC to a cloud based database. The eWON Flexy is an industrial VPN router that connects a PLC to the internet via the Talk2M service.  Talk2M does all the hard work of linking the PLC to the internet and managing …

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Apr 01

Rockwell TechED 2016

Mike Sturgeon and Ieuan Attewell attended the 2016 edition of the Rockwell Automation TechED.  This year TechED was held over three days in March at the Pullman hotel in Auckland. TechED is a mixture of labs, education and networking and if you have the chance; is well worth attending. One of the standout sessions was the …

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Dec 02

Streats Ahead Touch Team

Streat Automation is sponsoring a team in the Nunweek junior touch competition on Tuesday evenings.  They are doing really well and have won most of their games.

Aug 31

Farewell to Morgan

We wish Morgan all the best for the future.

Sep 30

Welcome Mohamed

Mohamed Elwy

Streat Automation welcomes Mohamed Elwy who joins us from The University of Canterbury.  

Nov 18

Speights Building – Old and New

Another update from Speights – The building is looking good old brick next to new glass.

Jul 30

Speight’s Dunedin

It’s been great working with the team at Speight’s this year – who have been working on a $29 Million upgrade to their brewery in Dunedin following the Christchurch Earthquake.

Nov 26

It’s time to replace that old PLC

The following PLC systems are now considered obsolete: Siemens S5, Modicon 884 & 984 and Allen-Bradley PLC2, PLC3, SLC 100 & 150. Some Allen-Bradley PLC 5 & SLC500 components are ‘silver series’ meaning that at some stage in the future (typically in the next 5 years) they will no longer be available, for example; from …

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Nov 07

Arduino – Time to Tinker

Arduino Mega2560

What does an Automation Engineer get up to when they aren’t at work? Well anything can happen when you get your hands on a nice little open-source electronics prototyping board like this ATMega2560 based Arduino. Popular requests from friends include a CNC mill or lathe and also a Millenium Falcon. The Millenium Falcon seems to be pushing …

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