Siemens PLC Programming & Automation Solutions
Expert Siemens PLC programming, control system design, and automation solutions engineered in the UK and delivered worldwide for reliable, high-performance industrial systems.

High-Performance Siemens Automation Built for Critical Operations
At MASK Control Systems, we specialise in Siemens PLC programming and automation solutions for industrial applications across multiple sectors.
Siemens PLC systems are widely recognised for their reliability, flexibility, and advanced capabilities. Our engineers design, program, and integrate Siemens-based control systems tailored to your specific production requirements.
As a UK-based automation engineering company with global capability, we deliver Siemens PLC solutions that improve efficiency, reduce downtime, and support long-term operational performance.
Safety Integrated (F-CPU)
Unified standard and fail-safe safety logic in one single controller, meeting SIL 3 & PLe.
Full TIA Portal Mastery
Structured SCL, reusable function blocks, and advanced motion integration with SINAMICS.
Siemens Automation Capabilities
- Profinet Determinism: High-speed cyclic data exchange for servo motion and distributed ET 200SP I/O.
- Modern S7 Migrations: Step-by-step risk-managed conversions from legacy S5 and S7-300 to S7-1500.
- WinCC Unified SCADA: State-of-the-art web-based supervisory dashboards accessible on any browser.
- OPC UA & Cloud Ready: Built-in OPC UA server enabling seamless communication with corporate IT.
What are Siemens PLC Systems?
Siemens PLC systems are industrial control systems used to automate machinery and production processes across the globe.
They offer high performance, modular scalability, and advanced deterministic control capabilities, making them the industry benchmark for complex manufacturing, safety-critical operations, and continuous process plants.

SIMATIC S7-1200
Ideal for small-to-midsize standalone machines, packaging stations, and distributed control cells requiring flexible I/O and integrated Profinet.
SIMATIC S7-1500
The ultimate industrial powerhouse for complex plantwide manufacturing lines, demanding high-speed motion control, and high-channel-count automation.
SIMATIC ET 200SP
Ultra-compact remote I/O nodes connecting hundreds of field sensors directly to central S7 controllers with minimal panel footprint.
TIA Portal Environment
Totally Integrated Automation framework unifying PLC logic, HMI graphics, servo drives, and safety in a seamless, single-database project.
Our Siemens PLC Services
End-to-end Siemens engineering capabilities from brand new TIA Portal programming to legacy S5/S7 retrofits and emergency breakdown support.

Siemens PLC Programming
Custom PLC programming tailored to your machinery, processes, and automation requirements using structured, maintainable architectures.

System Design & Engineering
Design of complete Siemens-based control systems, including hardware architecture, power distribution, and fieldbus networking.

TIA Portal Development
Programming and configuration using Siemens TIA Portal (v14 to v19) for unified, efficient, and robust system development.

HMI & SCADA Integration
Development of intuitive operator interfaces and supervisory monitoring systems for real-time control, alarming, and visibility.

PLC Upgrades & Migration
Upgrading obsolete legacy Siemens systems (S5, S7-200, S7-300, S7-400) or migrating from third-party controllers to modern S7-1200/1500.

Fault Finding & Ongoing Support
Diagnostics, troubleshooting, and ongoing technical maintenance for Siemens PLC systems to restore uptime immediately.
Why Choose Siemens PLC Systems
Siemens is the undisputed global leader in industrial automation, delivering proven hardware longevity, unmatched security, and modular flexibility.
High Reliability & Industrial Performance
Engineered to withstand extreme factory temperatures, electrical noise, and high vibrations.
Scalable & Flexible Architecture
Modular slice I/O allowing seamless hardware expansions from 10 to 10,000+ points without redesign.
Advanced Motion & Safety Control
Synchronized servo camming and fail-safe logic integrated directly on the standard CPU.
Universal Global Availability
Worldwide spare parts availability, standardized protocols, and universal technician recognition.

Where Our Siemens PLC Solutions Are Deployed
From continuous food processing and pharmaceutical packaging to heavy automotive handling and subsea marine rigs.
Machine Automation
High-precision sequence logic and multi-axis servo coordination for bespoke production machines.
Production Line Control
Line synchronization, buffer regulation, and inter-station handshakes across complex multi-stage lines.
Process Automation
Batch control, recipe dosing, temperature PID loops, and automated chemical/fluid handling.
Packaging Systems
High-speed cartoning, wrapping, palletizing, and barcode inspection cells.
Conveyor & Material Handling
Automated guided vehicles, sorters, roller conveyors, and warehouse material routing.
Industrial Equipment & Test Rigs
Subsea test stands, endurance testing stations, and high-pressure hydraulic equipment.
Problems We Solve with Siemens PLCs
How our specialist Siemens engineering overcomes production bottlenecks, code defects, and hardware obsolescence.
Intricate multi-step production sequences, complex motion profiles, or tight cycle tolerances exceeding standard controllers.
We leverage high-speed SIMATIC processors with dedicated motion control and structured SCL algorithms to handle the most demanding logic.
Unexpected line stoppages caused by electrical noise, poorly structured ladder code, or unhandled software exceptions.
We build structured, deterministic code with comprehensive error-trapping, Profinet diagnostics, and watchdog monitors that prevent false trips.
Outdated S5 or S7-300 systems facing catastrophic failure due to discontinued spare parts and lack of USB/Ethernet connectivity.
We modernize legacy code and hardware to current S7-1500 platforms with pre-configured wiring adapters for quick, risk-free cutover.
Difficulty connecting Siemens PLCs with third-party robots, barcode scanners, SCADA servers, or corporate ERP databases.
We implement native Profinet, OPC UA, MQTT, and Modbus TCP protocols to establish frictionless, bidirectional data exchange.
Existing Siemens systems with lost password-protected programs, zero electrical schematics, or no local support engineers.
Our engineers extract program code, document logic, update CAD schematics, and provide continuous 24/7 technical assistance.
Our Siemens Engineering Process
Structured methodology guaranteeing robust code structure, fail-safe safety compliance, and rapid factory commissioning.
Requirement Analysis
Detailed review of functional specifications, cycle time goals, safety zoning, and operational requirements.
System Design
Developing complete Siemens hardware topologies, Profinet IP schemas, and electrical schematics.
Programming & Development
Writing clean, structured PLC code in TIA Portal alongside intuitive HMI screens and recipe structures.
Integration & Testing
Comprehensive offline simulation (PLCSIM) followed by on-site Factory Acceptance Testing (FAT).
Commissioning & Validation
Live production trials, safety loop trip validation, and performance fine-tuning under full plant load.
Ongoing Support & Handover
Operator training, As-Built documentation delivery, software backups, and ongoing SLA maintenance.
Industries We Serve with Siemens PLCs
Delivering customized Siemens automation architectures across regulated, high-precision industrial sectors.
Why Choose MASK Control Systems
We deliver Siemens PLC solutions designed for performance, reliability, and long-term operational success.
Siemens PLC Specialists
Dedicated engineers with deep expertise in TIA Portal, S7-1200, S7-1500, Safety Integrated, and Profinet networks.
Experienced Automation Engineers
Over 13 years delivering bespoke mechanical, electrical, and control automation for industry leaders.
Custom Engineering Solutions
Every line of code and panel layout is engineered bespoke to your mechanical layout and cycle time targets.
UK-Based with Global Delivery
Engineered in Birmingham, UK, with on-site commissioning and support dispatched to facilities worldwide.
Reliable & Scalable Systems
Modular software architectures and robust industrial containment ready for seamless future line expansions.
Long-Term Technical Support
Complete As-Built schematics, software archives, training, and ongoing SLA maintenance agreements.
Related Engineering Services
PLC Programming
Multi-platform PLC programming and HMI development.
Unitronics PLC
All-in-one PLC + HMI solutions with UniStream.
Systems Integration
Connect PLCs, SCADA & multi-vendor machinery.
Control Panels
Custom electrical panel design with Siemens gear.
Design & Build
Bespoke machinery and full turnkey system builds.
Installation
Site installation, wiring & SAT validation.
Need Expert Siemens PLC Programming for Your Automation System?
Work with a UK-based engineering team delivering reliable Siemens PLC solutions worldwide. From new machine architectures to complex S5/S7 migrations, we are ready to assist.
