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PLCs + PACs

SigmaLogic7 Compact puts full AOI functionality into less cabinet space

June 19, 2017 By Paul Heney Leave a Comment

The Drives & Motion Division of Yaskawa America Inc. has introduced the SigmaLogic7 Compact. This new servo amplifier makes it possible to add the exceptional precision and superior performance of a Sigma-7 servo system in machines using Rockwell Automation programmable logic controllers. SigmaLogic7 Compact builds on the legacy of the SigmaLogic, the first Yaskawa SERVOPACK […]

Filed Under: PLCs + PACs Tagged With: Yaskawa

SigmaLogic7 Compact — AOI functionality, more compact, and PLC compatible

June 16, 2017 By Lisa Eitel Leave a Comment

The Drives and Motion Division of Yaskawa America, Inc. introduces the SigmaLogic7 Compact. This new servo amplifier makes it possible to add the exceptional precision and superior performance of a Sigma-7 servo system in machines using Rockwell Automation programmable logic controllers. SigmaLogic7 Compact builds on the legacy of the SigmaLogic, the first Yaskawa SERVOPACK to […]

Filed Under: Controls, Featured, PLCs + PACs Tagged With: Yaskawa

What do PLC watchdog timers do?

June 16, 2017 By Miles Budimir Leave a Comment

PLC

Basically, the function of a watchdog timer is to make sure that some processing malfunction does not shut down the entire system. Examples of malfunctions can be hardware failures or a program error that may, for instance, send the program into an infinite loop. In PLCs, watchdog timers are typically involved with the program scan […]

Filed Under: FAQs + basics, PLCs + PACs

What’s to know about analog and digital I/O for PLCs?

June 2, 2017 By Miles Budimir Leave a Comment

PLC I/O

Common PLC input/output (I/O) can be analog and/or digital. An analog signal is one whose value continually varies over time. They are best represented as a continuous signal like a sine wave. Each point on the wave has a precisely defined value. For example, analog inputs for PLCs can include signals from pressure transducers and […]

Filed Under: FAQs + basics, PLCs + PACs

Current state of programmable automation controllers (PACs) for motion

June 1, 2017 By Lisa Eitel Leave a Comment

Programmable automation controllers (PACs) excel in commanding complex automation setups that involve PC-based and HMI functions as well as process control (largely because of the way they handle I/O). PACs are also increasingly common in motion applications for machining or handling discrete product thanks to the flexibility and interoperability they offer machine designs. Today’s PACs […]

Filed Under: Featured, Industry News, Motion Selection Guides, PLCs + PACs Tagged With: AutomationDirect, parkerhannifin

What are Instruction Lists (ILs) for PLC programming?

May 19, 2017 By Miles Budimir Leave a Comment

PLC IL program

Instruction lists (or ILs) are one of the five PLC programming languages defined by the IEC 61131-3 standard. (The others being ladder logic diagrams, function block diagrams, sequential function charts, and structured text.) ILs are not a graphical programming language. Instead, they most resemble assembly language programming. As the name implies, a program is a […]

Filed Under: FAQs + basics, PLCs + PACs

Parker Hannifin now offers new PAC Terminal (PT) thin-client HMI

May 15, 2017 By Lisa Eitel Leave a Comment

Parker’s Electromechanical and Drives Division – North America now offers the PAC Terminal (PT) thin-client HMI. The PT is a thin-client HMI developed to work seamlessly with the Parker Automation Controller (PAC). With the PAC handling the control and HMI logic, the PT is responsible for displaying the embedded HMI as well as sending touch […]

Filed Under: Controls, Featured, HMIs, PLCs + PACs Tagged With: parkerhannifin

What do programmable automation controller (PAC) add-on modules do?

May 11, 2017 By Lisa Eitel Leave a Comment

By Steve Meyer || Programmable automation controllers (PACs) are largely architected as traditional programmable logic controllers (PLCs) to reliably execute control programs. The major difference (from an electronics standpoint) is how PACs have a high-bandwidth backplane that: Allows integration of different architectures Allows additional processors to augment the functionality of the primary PAC. While there’s […]

Filed Under: Controls, PLCs + PACs

What do USB data-logging ports do on programmable automation controllers (PACs)?

May 10, 2017 By Lisa Eitel Leave a Comment

By Steve Meyer || Data logging (and use of that data later) was once a complicated venture possible only through specialty hardware and applications — often in the form of standalone supervisory control and data acquisition or SCADA systems. Even new software and PC-based systems come at significant cost. In contrast, many of today’s programmable […]

Filed Under: FAQs + basics, Featured, PLCs + PACs

What are DCS, RTU, PLC, and PC functions on programmable automation controllers?

May 9, 2017 By Lisa Eitel Leave a Comment

By Steve Meyer || Distributed control systems (DCSs), remote terminal units (RTUs), and programmable logic controllers (PLCs) are control systems with hardware and programming designed to meet the requirements of specific applications. Today’s programmable automation controller (PAC) hardware runs DCS, RTU, PLC, and PC functions as software to replicate the legacy hardware that’s operated in […]

Filed Under: Controls, FAQs + basics, Featured, Networking + IoT, PLCs + PACs

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