PLC programming

Control logic that keeps machines predictable.

MarsBros Enterprise provides PLC programming and automation support for machine controls, production workflows, HMI interfaces, and industrial system improvements.

PLC automation systems

How this service moves forward

A clear five-stage path keeps the work understandable from the first conversation to handover.

01

Discover

Discover the machine sequence and current fault.

02

Define

Define inputs, outputs, safety boundaries, and modes.

03

Design

Design clear states, alarms, and operator flows.

04

Build

Build or modify PLC and HMI logic.

05

Launch & support

Launch with testing, documentation, and handover.

Automation planned around the machine

PLC work needs to be clear, safe, and maintainable. We begin by understanding the machine sequence, inputs, outputs, operating modes, alarms, safety boundaries, and the people responsible for running and maintaining the system. That information becomes the basis for control logic that is easier to test and explain.

Support can include new PLC logic, modifications to an existing program, sequence control, timers and counters, sensor handling, motor or actuator control, fault conditions, and production status. We can also help structure HMI screens so operators can see what the system is doing, identify a problem, and take the correct next action.

Documentation and troubleshooting

A system is easier to support when the program reflects the real process. We focus on naming, comments, grouped routines, clear states, and practical documentation. When troubleshooting an existing installation, we can review the observed fault, understand the current behavior, isolate the likely cause, and propose a controlled correction rather than making blind changes.

Connected engineering support

Industrial projects often need more than PLC code. A web dashboard or reporting tool may connect production information to the wider business; our software and platforms service can support that layer. If your company also needs a public website or new identity, see web development and logo design.

What you receive

  • PLC logic planning, programming, and modification support
  • Sequence, alarm, interlock, and operating-mode documentation
  • HMI workflow and operator-information planning
  • Testing, troubleshooting, and handover guidance

Frequently asked questions

Answers to common questions about this service and how we approach the work.

Can you work with an existing PLC program?

Yes. We can review the current logic, observed behaviour, documentation, and controller environment before proposing controlled changes.

Do you support HMI and alarm workflows?

Yes. HMI information, alarms, operating modes, and operator actions can be included when they are part of the machine or process scope.

How do you approach troubleshooting?

We start from the observed fault and machine sequence, isolate likely causes, and make documented changes that can be tested and handed over safely.

Need help with an automation project?

Share the machine, controller, current issue, and desired outcome.

Send an enquiry