Industrial Control PCB Assembly for Automation and Process Control
PCBAndAssembly provides industrial control PCB assembly for high reliability control systems used in manufacturing, energy and automation industries.
Our control PCBs are built with industrial-grade materials to withstand extreme temperatures, vibration and electrical noise, maintaining consistent performance in harsh environments.
We offer PCB assembly services from prototype PCB builds to volume PCB assembly, with IPC-A-610 Class 3 compliance for industrial control components.
Definition of industrial control board
Industrial Control PCB Boards are specialized circuit boards used in industrial production systems. Unlike commercial off-the-shelf boards, these are tailored to specific requirements.
These boards serve as the backbone of industrial control systems and are equipped with input and output (I/O) circuits to connect with external peripheral devices like valves, motors, and sensors.
Dedicated boards are designed for specific operations, such as temperature control boards used for regulating heat in devices and environments through thermocouples and heating contractors.
Industrial Control PCB Boards are constructed with non-conductive bases and copper traces and pads that interconnect the assembled components. They can be single-layer, double-layer, or multiple-layered, depending on the complexity of the application
These boards offer programmability, allowing users to set functions according to their needs, making them versatile and adaptable for different projects. For example, a Programmable Logic Controller (PLC) is a type of industrial control board that executes various operations based on programmed inputs.
Our Industrial Control PCB Assembly Capabilities
Surface Mount Technology (SMT) for Industrial Control PCBs
Our SMT lines achieve placement accuracy within ±30 µm and support components down to 01005 packages.
For industrial control components requiring high density layouts, we handle BGA pitches down to 0.2 mm and QFP spacing as fine as 0.25 mm.
Copper thickness from 0.5 oz to 5 oz is supported, with heavy copper up to 20 oz for high current control PCB designs.
We assemble embedded wireless modules for industrial control, including ESP32, ESP8266, Quectel, Fibocom and Simcom.
RF layouts follow 50 ohm antenna feed geometry with keep‑out, shield can footprints and low loss dielectrics where needed.
We validate radio paths with S11 checks, conduct power measurements, and connectorized test points for repeatable RF calibration.
Through-Hole Assembly for Harsh Environments
Through-hole technology (THT) assembly is available for components demanding enhanced mechanical strength in industrial control systems often subjected to vibration, shock and thermal cycling.
Drilling capabilities include finished hole sizes down to 0.15 mm for boards ≤1.6 mm thick, with aspect ratios up to 12:1 for plated through-holes.
High-Density Interconnect (HDI) Industrial Control Boards
We offer HDI PCB structures with via-in-pad, stacked microvias, and blind/buried via configurations for compact industrial control board designs.
These support signal integrity and space optimization in complex industrial control equipment, especially where EMI control is necessary.
Flexible & Rigid-Flex Assembly for Control Enclosures
For space-constrained control enclosures, we assemble flexible PCB and rigid-flex PCB designs using polyimide and high Tg FR4 substrates.
Thickness ranges from 0.2 mm to 6.0 mm with warp and twist ≤0.7%, ensuring dimensional stability during the assembly process.
Mixed Technology Assembly for Complex Systems
We integrate SMT and THT on the same control PCB when both miniaturization and mechanical robustness are required.
This approach is often used in process control systems and motion control applications where signal processing circuits and high power connectors must coexist.
Assemblies support CAN, RS485, Ethernet, Modbus and industrial Wi Fi or BLE for plant networks. Designs apply galvanic isolation, TVS protection, and common‑mode chokes to protect control equipment in noisy plants.
We route differential pairs to target impedance and specify transformer‑isolated magnetics for reliable links.
Conformal Coating & Protective Finishes
Surface finishes include leaded HASL, lead-free HASL, ENIG (0.05 to 0.2 µm Au over 3 to 6 µm Ni), OSP, immersion tin, and immersion silver.
These are selected according to industrial processes and corrosion resistance needs. Conformal coatings protect against dust, moisture, and chemicals in harsh industrial settings.
Industrial-Grade Testing & Validation Services
Every industrial control PCBA undergoes 100% automated optical inspection (AOI), X-ray inspection for hidden joints and either flying probe or in-circuit testing.
Extra tests include thermal shock, solderability, impedance verification and microsection analysis to confirm copper plating quality.
For connected control PCB assemblies, we add RF and protocol tests. That includes over the air checks, conducted sensitivity sweeps, link margin assessments, and network stack validation for CAN, RS485, and Ethernet. We provide log files and pass criteria with each batch.
Turnkey PCB Assembly for Industrial Applications
Our team can handle complete PCB assembly solutions, from fabrication to sourcing components, to final assembly and packaging.
Industries We Serve with Industrial Control PCB Assembly
PCBAndAssembly delivers industrial control PCB assembly solutions for a variety of industrial control applications, each requiring specific design features, PCB materials and assembly processes to ensure reliability in demanding environments.
Application of PCB in Industrial Control
PCB boards have extensive applications in industrial control, serving as core components of industrial control systems, providing essential functions for circuit connections and signal transmission. The following are the main applications of PCB boards in industrial control:
Control Mainboard
PCB boards are commonly used as control mainboards in industrial control systems, integrating various control logic and processors to manage and control the operation of industrial equipment.
Interface Board
PCB boards are used to connect various sensors, actuators, and other peripheral devices for data acquisition and control signal transmission.
Signal Processing Board
In industrial control systems, many signals require processing and conversion, such as analog-to-digital signal conversion, and PCB boards handle these signal processing functions.
Communication Board
Industrial control systems often require communication with other systems, and PCB boards are used to implement different communication protocols and interfaces, such as Ethernet, RS-485, CAN, etc.
Power Supply Board
PCB boards are also used for power supply in industrial control systems, providing stable and reliable power to various components and devices.
Driver Board
PCB boards control and drive various actuators, such as motors, valves, etc., enabling precise motion and control.
Alarm and Safety Board
Industrial control systems require alarm and safety protection functions, and PCB boards are used to implement various alarm sensors and protection control logic.
Data Acquisition Board
Industrial control systems require the collection of a large amount of data, such as temperature, pressure, flow, etc., and PCB boards are used for data acquisition and transmission.
Converter Board
In some special applications, PCB boards are used to realize signal conversion and processing, such as analog signal to frequency signal conversion.
Overall, PCB boards play a critical role in industrial control, facilitating circuit connections, signal processing, communication, and control functions, providing a solid foundation for the efficient operation and reliability of industrial control systems.Transform your factory with PCBAndAssembly’s scalable, robust Industrial Control PCBs – accelerating digitalization and revolutionary capabilities.
How to Order Your Industrial Control PCB Assembly
Industrial Control PCB Assembly FAQs
Can you assemble both SMT and THT on the same board?
Yes, we offer mixed technology PCB assembly for industrial control PCBs, combining SMT for compact, high-density circuits with THT for mechanically robust industrial control components such as connectors, relays and transformers.
What testing methods are used for industrial control boards?
Every industrial control PCB assembly undergoes 100% automated optical inspection (AOI), X-ray for hidden joints, and either flying probe or in-circuit testing. Our team also performs functional testing under simulated operating conditions to verify performance in industrial control applications.
Do you provide component sourcing for industrial projects?
Yes, we source all electronic components from authorized distributors, focusing on industrial-grade parts rated for extended temperature ranges, vibration resistance, and long lifecycle availability to match the demands of industrial control systems.
Do you support Industry 4.0 and digital transformation initiatives?
Yes, we provide industrial control PCB assembly solutions that integrate into smart factory environments. Designs can support predictive maintenance sensors, real-time data analytics and secure network protocols for remote monitoring. For advanced applications, we can incorporate interfaces for digital twin connectivity, enabling synchronized virtual models of your control systems.