Latest Medical & Pharma Technical Articles

Control engineering is integrally woven together with electricity and electrical circuits. Even so, sometimes the most…

Control engineering is integrally woven together with electricity and electrical circuits. Even so, sometimes the most basic scenarios become misunderstood through lack of training or experience.

One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and…

One of the most considerable risks in aging control environments is that eventually, spare parts become obsolete and unavailable, and the lack of an upgrade plan can turn a simple failure into a catastrophe.

Credited with coining the name ‘PLC’, Allen-Bradley and parent company Rockwell Automation are major players in the…

Credited with coining the name ‘PLC’, Allen-Bradley and parent company Rockwell Automation are major players in the world of control systems. Learn how the hardware platforms have evolved into the familiar modern configurations.

The timer is a fundamental function of ladder logic programming. In this article, we discuss on- and off-delay as well as…

The timer is a fundamental function of ladder logic programming. In this article, we discuss on- and off-delay as well as retentive timers and define the inputs and outputs required to properly use them.

Scaling values has a wide range of applications and helps to match output values to their real-world applications. Most…

Scaling values has a wide range of applications and helps to match output values to their real-world applications. Most scaling is linear, but many of these real-world changes are not quite so simple.

In the world of modern manufacturing, we want the tools to be effective, safe, and very easy to install and commission.…

In the world of modern manufacturing, we want the tools to be effective, safe, and very easy to install and commission. But when we say ‘easy’, how easy can it really be to commission robotic tools?

Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but…

Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but we can’t ignore other key players: power filters, converters, and backup power modules.

Even with the most reliable networks, network outages are inevitable for a host of reasons, and managing these outages in…

Even with the most reliable networks, network outages are inevitable for a host of reasons, and managing these outages in VFD systems becomes critically important.

Allen Bradley’s Data Highway Plus (DH+) networking ability is still found commonly in interfaces with legacy equipment.…

Allen Bradley’s Data Highway Plus (DH+) networking ability is still found commonly in interfaces with legacy equipment. Understanding this network structure can bridge the gap between old and new systems.

Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different…

Although the are similarities in operating theory, relays and contactors are used in industrial circuits for different specific applications, and should not be used interchangeably.

What’s the difference between a Cat 6 and a Cat 6a cable, anyhow? Ethernet cables must meet certain performance…

What’s the difference between a Cat 6 and a Cat 6a cable, anyhow? Ethernet cables must meet certain performance standards, and these standards can be quite confusing at first glance.

Hysteresis is a term introduced in basic control system courses and listed on sensor datasheets, but the terms is not…

Hysteresis is a term introduced in basic control system courses and listed on sensor datasheets, but the terms is not often understood, with error deriving from both the system itself as well as the sensor.

In the first article of this series, we investigate Siemens as a major PLC manufacturer, learning about the hardware,…

In the first article of this series, we investigate Siemens as a major PLC manufacturer, learning about the hardware, software, and key applications of each product lineup.

‘Reduce-reuse-recycle’ is a common slogan for promoting reduction of waste associated with end use of materials. But…

‘Reduce-reuse-recycle’ is a common slogan for promoting reduction of waste associated with end use of materials. But a circular economy model includes manufacturing processes and raw materials as well.

Epson robot programming bears similarities to other industry-standard brands, but contains many unique features,…

Epson robot programming bears similarities to other industry-standard brands, but contains many unique features, including the ability to run background programs alongside the main function.

Two common methods exist for driving induction motors with VFDs - linear scalar control, which is often labeled as V/f,…

Two common methods exist for driving induction motors with VFDs - linear scalar control, which is often labeled as V/f, and vector, or field-oriented control, which can be a bit more complex to understand.

Using an ADC can be very useful when dealing with analog devices in microprocessors, and a necessity when adding analog…

Using an ADC can be very useful when dealing with analog devices in microprocessors, and a necessity when adding analog devices to an industrial controller. But once you connect the hardware - what next?

Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to…

Redundancy and safety are often seen together in industrial safety systems. Safety relays monitor emergency devices to switch contacts based on status - but what makes them different from normal relays?

Linear sensors use electrical means to determine their position. Common linear position sensors are resistive, inductive,…

Linear sensors use electrical means to determine their position. Common linear position sensors are resistive, inductive, capacitive, and many rely on a property called magnetostriction.