Latest Safety Technical Articles

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated…

Designing, installing, and maintaining control systems involves a lot of wires. Each wire has a purpose, often indicated by the color of the insulation. But what are the common colors, and what do they mean?

Calibration is performed on a regular basis to ensure proper measurement tool function, but how do we determine the…

Calibration is performed on a regular basis to ensure proper measurement tool function, but how do we determine the proper interval? Factors include environment, usage, and level of dependence on proper function.

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods…

Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods of protection, and for fluid systems, certain shutoff valves are used in situations when excess pressure can be a problem.

Large motors require a circuit to turn on and off. This may be as simple as a single on/off drum-type switch or as…

Large motors require a circuit to turn on and off. This may be as simple as a single on/off drum-type switch or as elaborate as a VFD unit. Learn about some common control circuit designs for typical three-phase motor requirements.

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the…

Machine safety design can be a daunting task with all the different safety devices on the market today. Choosing the correct device for your design can be made easier by understanding when to use the proper device.

We are taught that parallel circuits maintain equal voltage across all branch resistors, equally sharing the source…

We are taught that parallel circuits maintain equal voltage across all branch resistors, equally sharing the source voltage. But reality is often far from ideal, and individual devices certainly impact the rest of the circuit.

Designing a system with motor motion always includes a consideration of safety. Incorporating safety contactors might be…

Designing a system with motor motion always includes a consideration of safety. Incorporating safety contactors might be the correct prevention to protect equipment and users but may add additional challenges.

Total laboratory automation (TLA) helps in workforce utilization, reduced costs, and management of routine testing. Learn…

Total laboratory automation (TLA) helps in workforce utilization, reduced costs, and management of routine testing. Learn about what TLA is, its components, and what to consider before replacing a traditional laboratory.

Safety is one of the most critical aspects of machine design. Today, with network connections between different machines…

Safety is one of the most critical aspects of machine design. Today, with network connections between different machines and control centers, safety signals must be shared logically and reliably across networks.

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways,…

Functional safety is the safety of a system and is critical for industries such as medical devices, automotive, railways, and machinery. This article will focus on functional safety for machinery and the standards that help its implementation.

Protection systems are critical in today’s fast-paced industrial revolution for the safety of people and processes.…

Protection systems are critical in today’s fast-paced industrial revolution for the safety of people and processes. This article discusses electronic protective relay types and how they differ from standard relays.

Fatigue failures in amorphous materials have long been a bit of a mystery in the engineering and scientific fields, but…

Fatigue failures in amorphous materials have long been a bit of a mystery in the engineering and scientific fields, but new research is removing some of the mystery and may open up new applications for amorphous materials.

When a robot crashes, it needs to be put back into position. The steps in this process depends on the end user and the…

When a robot crashes, it needs to be put back into position. The steps in this process depends on the end user and the equipment manufacturer. Understanding why the robot crashed also helps prevent future failures.

Light curtains serve as an invisible barrier, keeping workers out of harm's way and protecting machinery from damage.…

Light curtains serve as an invisible barrier, keeping workers out of harm's way and protecting machinery from damage. Learn about safety curtains, how they are installed, and their programmable functions.

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate…

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, including NFPA 70, UL 60947-4-1, and NFPA 79. 

Ambient light, reflection, and transparent objects can all cause difficulties during machine vision applications. Learn…

Ambient light, reflection, and transparent objects can all cause difficulties during machine vision applications. Learn about these issues and some potential solutions to better ensure safety and quality.

Whether open or closed, industry standard or built for tough environments, or modular or customized, it is important to…

Whether open or closed, industry standard or built for tough environments, or modular or customized, it is important to follow a set of repeatable tasks when designing industrial control panels for efficiency and safety.

Pressurized gas leaks can sometimes be heard with the human ear, but small leaks with ultrasonic sounds are much more…

Pressurized gas leaks can sometimes be heard with the human ear, but small leaks with ultrasonic sounds are much more difficult to detect. Ultrasonic leak detectors can help to find otherwise undetectable leaks.

Robots are no longer unanimously just "robots"—there are specific tasks and functionality of each kind. Learn about the…

Robots are no longer unanimously just "robots"—there are specific tasks and functionality of each kind. Learn about the technology differences between fixed-location robots and mobile robots and why no one robot is like another.