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The One Where A Modbus Output is Controlled by Two PLCs

The One Where A Modbus Output is Controlled by Two PLCs

Get ready for a control-themed roller coaster ride, pitting two PLCs against one Modbus I/O rack, and you might be shocked at the results: Who will win… And who will lose?


Networking Tutorial: Connect and Configure a Mitsubishi iQ-F PLC

Networking Tutorial: Connect and Configure a Mitsubishi iQ-F PLC

Learn how to configure the connection for a Mitsubishi FX5UC controller over Ethernet using GX Works 3.


The Journey of Data From Motor to Maintenance

The Journey of Data From Motor to Maintenance

Predictive maintenance brings real cost and time savings, but there can be a lot of confusion when setting up a system. Control.com talks to the experts at NORD, a motor specialist, to learn more.


Parallel Load Devices: Multiple AC Motors on One Control Circuit

Parallel Load Devices: Multiple AC Motors on One Control Circuit

Requiring multiple AC motors to start simultaneously is a common need for conveyors within manufacturing plants, but can we really reduce costs and panel space by eliminating redundant components?


Adding Remote I/O to a PLC Project: Synergy Logic Meets CompactLogix

Adding Remote I/O to a PLC Project: Synergy Logic Meets CompactLogix

In this tutorial, we add remote I/O to a Studio 5000 project using Modbus TCP and the new SLM System from Synergy Logic, which promises to simplify the integration. We’ll see how it lives up.


Methods of Controlling Motor Speed With a VFD

Methods of Controlling Motor Speed With a VFD

Motor speed control can be a tricky process, due to the variety of options. In a VFD, speed can be controlled using fixed values, digital or analog signals, or communication networks.


Tutorial: Rockwell’s Micro800 PLCs With FactoryTalk Design Workbench

Tutorial: Rockwell’s Micro800 PLCs With FactoryTalk Design Workbench

Learn how to configure a connection and download a simple digital I/O project using the newest Rockwell software, paired with the Ethernet version of the Micro800 PLC lineup.


Industry Insights: Understanding Hybrid Linear Motion

Industry Insights: Understanding Hybrid Linear Motion

Kyntronics’ mission is to combine servo control with hydraulic actuators to form hybrid motion control. Our engineering team posed a few questions in hopes of learning more about this technology.


A Legacy of Factory and Motion Control: Mitsubishi Electric Automation

A Legacy of Factory and Motion Control: Mitsubishi Electric Automation

Showcase, manufacturing, repair, and research: Join Control.com for a recap of our team’s recent visit to the US HQ of Mitsubishi Electric Automation, and see where the magic happens.


MQTT vs. OPC UA: Protocols From an OEM Perspective

MQTT vs. OPC UA: Protocols From an OEM Perspective

MQTT and OPC UA are very different, but they accomplish essentially the same thing: push data from one device to another. Which method to use relies on understanding how each process is accomplished.


Modernizing Septic Systems with Proactive Innovation

Modernizing Septic Systems with Proactive Innovation

Tackling some of the world's most hostile environments with real-time data. That’s the mission of Septilink, supported by WAGO, in this prime example of predicting failures to avert disaster.


How to Choose the Right Industrial Power Supply for Your Cabinet

How to Choose the Right Industrial Power Supply for Your Cabinet

A clear overview of industrial power supply types, specs, and design factors for building dependable control cabinet systems.


Understanding PLC Tags: Controller Scope vs. Program Scope

Understanding PLC Tags: Controller Scope vs. Program Scope

Is it best to ‘controller scope’ or ‘program scope’ your tags? This is the question asked by many new PLC programmers, and it often comes down to personal preference.


Tutorial: Driving a Mecademic Industrial Robot with a Rockwell PLC

Tutorial: Driving a Mecademic Industrial Robot with a Rockwell PLC

Learn how to drive a compact Meca500 industrial 6-axis robot with a CompactLogix PLC over an Ethernet connection, transferring direct TCP set points in joint and world coordinate systems.


Methods of Precision Alignment: Mechanical, Laser, and Vibration Analysis

Methods of Precision Alignment: Mechanical, Laser, and Vibration Analysis

Alignment procedures for pulleys and shafts are a key to preventing costly breakdowns. An effective strategy pairs alignment with vibration analysis to both prevent and predict these downtime events.


Control.com Asks the Experts: Serious Questions About Fluid Valves

Control.com Asks the Experts: Serious Questions About Fluid Valves

After working with solenoid valves for many years, there are still a few questions: is AD or DC voltage better? Do we really need lubrication? I turned to an expert for some answers.


Advantages of Remote I/O Devices With Networking Technologies

Advantages of Remote I/O Devices With Networking Technologies

Networked remote I/O allows machine centers to operate while physically separated from the rest of the system, and often, the solution can drop right into place.


Troubleshooting Linear Hydraulic Motion

Troubleshooting Linear Hydraulic Motion

Motion systems come in many forms. Hydraulic motion brings some unique problems, not seen in electric systems. This article will focus on how to recognize prominent failures quickly and correctly.


Advanced Boolean Logic with FBD PLC Programming

Advanced Boolean Logic with FBD PLC Programming

Learn about more advanced Boolean logic functions, including truth tables, Schmitt triggers, and multiplexers that can be implemented in a PLC function block programming environment.


Guide to Robotic Grippers: From Delicate to Heavy-Duty Handling

Guide to Robotic Grippers: From Delicate to Heavy-Duty Handling

Selecting the right robotic gripper is key to performance. Discover gripping solutions for delicate parts, soft foods, and industrial payloads.