Safety by Design: Why Smart Manufacturers Build Protection into Automation from the Start

Embedding safety into your automated production processes from day one improves performance, reduces risk and drives operational excellence.

Claire Fallon

April 30, 2026

5 min read

Key Highlights

Systems engineered with clear safety functions and intuitive operator interfaces run more consistently and recover faster from disruptions.
Standards like ISA-84, ISA-101 and ISA-18.2 offer proven guidance for hazard analysis, HMI design and alarm management across complex automation environments.
When executives treat safety by design as a strategic priority, engineering, operations and maintenance can work from a shared understanding of risk.

As manufacturing production systems become more connected, more software-driven and more adaptable, facilities are improving throughput, quality and responsiveness via robotics, advanced control, machine vision, remote monitoring and data-rich interfaces. Yet even as manufacturers build out their capabilities, these complex technologies need a stronger and more deliberate approach to safety.

Safety must be engineered into the foundation of the system. That’s what we call “safety by design.”

As opposed to retrofitting for safety, safety by design ingrains safety into the architecture of the system from the earliest stages of planning and engineering. This approach starts from the principle that people, equipment, production continuity and business performance are essential and must be protected. It also creates a clear structure for managing complexity as automation systems evolve over time.

In many facilities, legacy thinking still separates productivity and safety into competing priorities. One team focuses on output, another on compliance and a third on operations.

What high-performing manufacturers understand, however, is that safety and operational excellence are tightly linked. A system that is difficult to understand, troubleshoot or safely intervene in will eventually create downtime, workarounds and elevated risk. Conversely, a system designed with clear safety functions, intuitive operator interaction and defined risk reduction measures is better positioned to run consistently and recover quickly.

When a machine enters a fault state, when a batch process deviates from expected parameters or when an operator needs to intervene, everyone involved should understand how the system is intended to respond and what information will guide that response.

This is especially important in discrete and batch manufacturing, where production environments often combine automated sequences with frequent human interaction. Operators clear jams, change recipes, perform maintenance, replenish materials and respond to abnormal conditions. These are exactly the moments when risk can increase if safety has not been thoughtfully built into the control philosophy, machine layout and user interfaces.

How standards help establish safety

Established safety frameworks are a useful starting point. They are tech-agnostic and offer a valuable shorthand to ensure everyone understands best practices. The International Society of Automation’s ISA-84 series of standards offers a disciplined way to think about hazard analysis, safety lifecycle management and the independence and integrity of protection layers. While its roots are closely associated with the process industries, the core principles of ISA-84 remain relevant across industrial environments.

This framework encourages organizations to identify safety functions systematically, assign responsibilities clearly, validate performance and manage changes throughout the life of the asset. For manufacturers navigating expanding automation architectures, this lifecycle discipline matters.

The operator experience also plays a central role in machine safety. A well-engineered safety system depends on clear communication between the machine and the people who use it. ISA-101 offers practical guidance for the design of human-machine interfaces (HMIs), with an emphasis on clarity, situational awareness and effective response. In manufacturing settings where operators may oversee multiple machines or process stages, interface design influences how quickly they can realize system status, recognize abnormal conditions and take appropriate action.

Operators clear jams, change recipes, perform maintenance, replenish materials and respond to abnormal conditions. These are exactly the moments when risk can increase if safety has not been thoughtfully built into the control philosophy, machine layout and user interfaces.

Alarm management and presentation, as described in the ISA-18.2 standards, screen hierarchy, navigation paths and visual consistency all contribute to safer operation.

Extending standards to mindsets

Safety by design requires a mindset attuned to risk as well as one committed to finding solutions. It means asking critical questions at the beginning of a project, such as:

How will the system or its components fail safely?
Where should the foreseeable points of human interaction be?
What information does an operator need to recognize abnormal conditions quickly?
How will maintenance tasks be performed without introducing unnecessary exposure?
What happens after software is modified, production is expanded or equipment from different vendors must work together?

These questions are best addressed early, at the concept and design stages. When safety is embedded upfront, manufacturers can make better decisions before constraints harden. The result is often a system that is safer, as well as easier to operate and maintain over time.

The focus may be on equipment, but safety relies on people

Safety by design also means keeping the human perspective at the center of decision-making.

Thoughtful design choices around authority, response and accountability have a measurable impact and may prevent disastrous outcomes when something goes wrong. When a machine enters a fault state, when a batch process deviates from expected parameters or when an operator needs to intervene, everyone involved should understand how the system is intended to respond and what information will guide that response.

As opposed to retrofitting for safety, safety by design ingrains safety into the architecture of the system from the earliest stages of planning and engineering.

It is also key that the individuals designing, operating and maintaining systems are appropriately trained on internal practices as well as best industry practices for functional safety for their facility or process.

For executives, this is a strategic responsibility. Leadership teams shape project expectations, investment priorities and cross-functional alignment. When they establish safety by design as a core requirement, engineering, operations, maintenance and environmental health and safety can work from a shared understanding of risk and performance. This alignment improves decision-making from capital planning through commissioning and ongoing operations. It also strengthens workforce trust in automation, which is essential for adoption, uptime and continuous improvement.

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About the Author

Claire Fallon

Claire Fallon is CEO of the International Society of Automation. Prior to joining ISA, Fallon held leadership positions with the American Society of Mechanical Engineers (ASME) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). She currently serves on the Board of Directors of the American National Standards Institute (ANSI). A mechanical engineer by training, Fallon has also worked as a design engineer for Bechtel and served on the appeals board for Underwriters Laboratories (UL).