Where You Place Flexibility in a Control System Affects More Than You Think

In many machine builds, connection methods are locked in early and rarely revisited. Hardwiring is often the default because it’s familiar and it works, but it also sets the tone for how devices are installed, replaced, and maintained long after the system is up and running.

You see it most clearly when something changes. A sensor gets moved during commissioning, a device fails and must be swapped out, or a layout gets adjusted once the machine is in operation. None of these are unusual, but the way those devices are connected determines how much time and effort is involved in making the change.

Connection Method and System Flexibility

When everything is hardwired, even small adjustments mean opening panels, disconnecting terminals, re-terminating conductors, and checking everything again before the system goes back into service. It’s a process most people are used to, but it takes time, and across larger systems or repeat builds, that time adds up.

Using quick-disconnect connectivity changes how those situations are handled. That approach isn’t always necessary, but in systems where devices are regularly accessed or adjusted, it can reduce how much of the wiring needs to be disturbed when changes are made.

Instead of working back through the wiring, devices can be disconnected and reconnected at the point of use, leaving the rest of the system untouched. It doesn’t eliminate the need for good wiring practices, but it does reduce how much of the system needs to be disturbed when something changes.

Installation and Wiring Approach

These decisions also show up during the build phase. When you’re wiring multiple panels or repeating the same machine design, consistency becomes just as important as speed.

Pre-terminated cordsets help remove some of the variation that comes with manual termination. Connections are made the same way each time, which can make installation more predictable and troubleshooting more straightforward later on.

Cable routing also becomes easier to manage when connector orientation and length are matched to the application. Straight and right-angle connectors allow cables to sit where they need to without unnecessary bending, and using the right cable length avoids excess slack building up inside the panel or machine.

Banner Engineering Single-Ended Cordsets

Banner Engineering single-ended cordsets are used in applications where a device connects via a quick-disconnect interface at one end and is terminated into a control panel or junction point at the other. In practice, this is often used where devices connect out on the machine, while wiring inside the panel stays fixed.

The range is designed to cover a broad mix of industrial requirements, including:

• M8, M12, and M23 connector options to suit different device types
• Straight and right-angle configurations for practical cable routing
• Multiple cable lengths so installations can be matched more closely to the layout
• Models for both AC and DC powered devices
• Lighted versions that make it easier to confirm power and output status during operation

For higher power requirements, M12 L-Code cordsets use larger pins to deliver up to 16 amps per pin, which allows more power to be carried without increasing the overall connector size. That can be useful in systems where space is already limited but higher current devices still need to be supported.

Cable construction can also be selected based on the environment. TPU jackets are typically used where there is exposure to abrasion or chemicals, while PVC jackets are suited to general-purpose industrial applications. Shielded options are available where maintaining signal integrity is important, particularly in environments with electrical noise.

Understanding Connector Coding in Practice

Connector coding determines what a connection is designed to carry, whether that is signal, data, or power.

In practical terms:

• M12 A-Code is commonly used for sensors and actuators, carrying signals or DC power
• M12 D-Code is used for industrial Ethernet communication such as PROFINET and EtherNet/IP
• M12 L-Code is used where higher current is required, supporting up to 16 A for distributed power

Using the correct coding helps ensure devices are connected in a way that matches their role within the system, rather than just selecting connectors based on physical fit.

Where Single-Ended Cordsets Are Typically Used

Single-ended cordsets are often used where devices connect at the machine level but terminate back into a control panel or junction box.

In practice, the difference only really shows up once the system is in use, when something needs to be changed.

If flexibility is needed at the device, for example where sensors may be replaced, repositioned, or adjusted, a single-ended cordset allows that to happen without disturbing the panel-side wiring.

If flexibility is needed at both ends of the connection, a double-ended cordset is typically used so both sides can be disconnected and reconfigured.

This distinction becomes more noticeable over time, particularly in systems where layouts evolve or devices are regularly adjusted after installation.

Application Fit and Customisation

Not every installation lines up neatly with standard cable lengths or configurations. In those cases, using an off-the-shelf cordset can introduce excess cable, awkward routing, or additional termination points that were not really needed.

Custom connectivity options allow cordsets to be built to suit the application more closely, whether that is adjusting length, connector type, or configuration. It is a way of simplifying the installation rather than working around it.

Connectivity as Part of System Design

Connection method tends to sit in the background during design, but it has a noticeable impact once the system is built and in use.

Quick-disconnect cordsets do not change what a system does, but they do change how easily it can be worked on. Over time, that shows up in how long it takes to make adjustments, how consistent installations are across builds, and how much of the system needs to be touched when something changes.

Switches Plus Components works with manufacturers such as Banner Engineering to supply connectivity solutions used across industrial control and automation systems.