PLC Programming
We provide a wide range of Services
DH Technology Leicester provides professional PLC programming services for industrial automation systems.
We develop, modify, and support safety and non-safety PLC applications, ensuring reliable operation, compliance, and long-term maintainability.
Core PLC Services
Our PLC Programming Capabilities
Safety & Non-Safety PLC Programming)
We deliver robust Safety and Non-Safety PLC programming solutions for industrial automation systems, ensuring safe operation, reliability, and compliance with relevant standards.
Our expertise covers logic development, testing, commissioning, and documentation for new installations, upgrades, and system modifications.
New PLC Application Development
We design and deliver custom PLC applications that help manufacturers improve productivity, control, and system reliability.
Whether for a new machine, process line, or plant upgrade, we provide reliable automation solutions from concept to commissioning.
Modification of Existing PLC Programs
We carry out safe and controlled modifications to existing PLC programs to support operational changes, fault resolution, and system upgrades.
All changes are implemented using structured methods, with testing and documentation to minimise risk and downtime.
PLC Fault Finding & Troubleshooting
We provide fast and effective PLC fault finding and troubleshooting to restore system operation and minimise downtime.
Our approach focuses on systematic diagnosis, root-cause analysis, and safe resolution of hardware and software issues.
System Upgrades & Obsolescence Management
We help clients manage obsolete automation systems through structured upgrades and migration strategies.
This reduces operational risk, improves reliability, and avoids unplanned downtime caused by unsupported equipment.
Reverse Engineering of Legacy PLC Systems
We provide reverse engineering of legacy PLC systems to recover undocumented logic and system functionality.
This enables safe maintenance, fault resolution, upgrades, and long-term support of ageing automation systems.
PLC Platform We Work With
We support a wide range of industrial PLC platforms used across manufacturing, utilities, and regulated environments.
Our experience covers both modern and legacy systems, enabling us to support new developments, system modifications, upgrades, and long-term maintenance.
Siemens
Extensive experience with Siemens PLC platforms across industrial and regulated environments.
New development, modifications, upgrades, fault finding, and commissioning.
S7-1500
S7-1200
S7-300 / 400
Safety or Non-safety
Rockwell Automation
PLC programming and support using Allen-Bradley platforms for machine and process control.
Software development, troubleshooting, system upgrades, and documentation.
MicroLogix
CompactLogix
MicroLogix
Others (as applicable)
Support for additional industrial PLC platforms based on project and site requirements.
Legacy system support, migrations, and bespoke automation solutions.