Power supplies get out of the cabinet

By moving power supplies closer to devices, it enables modular design and reduces thermal-management issues

CD1805 Get out of the cabinet nav

Moving PLCs, I/O and other control equipment closer to the input and output devices they manage has become standard practice among design professionals. It offers a number of advantages, one of which is that it allows for modular design of industrial manufacturing systems.Modular system design means that individual subsystems can be completely fabricated, tested and function as standalone subsystems at the OEM before being delivered to an end user’s factory. This step greatly simplifies on-site installation and commissioning of a new manufacturing system and aids in future upgrades and expansion. It stands to reason that these same advantages can be realized if the…

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CD1805 webcover tabletDesigner Maintenance: When machines are designed with maintenance in mind, equipment runs like clockwork. Read the issue.

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Voices: Real Answers

Should I limit programming to ladder logic or use all standards within IEC 61131?

How many IEC 61131-3 languages do I actually need and does limitting help ensure maintenance techs and programmers can provide support?

By Mike Bacidore, editor in chief

A Control Design reader writes: Due to past issues with programming support of our automated machines, we have created a requirement for new equipment that the control software meet the IEC 61131 standard, and we have limited the approved controller manufacturers. However, that fixed just some of…

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