MCC Panels

PLC & Automation Control Panel for Oil & Gas

PLC & Automation Control Panel assemblies engineered for Oil & Gas applications, addressing industry-specific requirements and compliance standards.

PLC & Automation Control Panel for Oil & Gas

Overview

PLC & Automation Control Panel assemblies for Oil & Gas applications are engineered for demanding upstream, midstream, and downstream environments where availability, safety, and maintainability are critical. Unlike generic automation panels, these systems are typically built around a PLC, remote I/O, HMI, industrial Ethernet switches, signal conditioning modules, marshalling terminals, and power distribution components selected to withstand heat, vibration, corrosion, dust, and potential hydrocarbon exposure. Depending on the application, the panel may also integrate MCCBs, MCBs, contactors, overload relays, soft starters, VFDs, power supplies, UPS modules, safety relays, and protection relays for pumps, compressors, separators, fans, heating systems, and utility skids. In hazardous areas, the enclosure and installed equipment must align with IEC 60079 and, where applicable, ATEX or IECEx requirements; pressurization, purging, flameproof, increased safety, or intrinsic safety concepts may be used based on the zone classification and process risk assessment. At the assembly level, IEC 61439-1 and IEC 61439-2 govern low-voltage switchgear and controlgear assemblies, including temperature rise, dielectric properties, clearances, creepage, and verification of short-circuit withstand. For process plants, IEC 61439-3 may apply to distribution boards serving auxiliary loads, while IEC 61439-6 is relevant if the panel includes busbar trunking interfaces or feeder arrangements tied to larger distribution systems. Typical panel ratings range from 24 V DC control systems to 230/400/690 V AC distribution, with busbar and feeder currents commonly from 63 A to 630 A or higher depending on the scope. Short-circuit ratings must be coordinated with the site fault level, often 25 kA, 36 kA, 50 kA, or 65 kA at 400/415 V, with verified protection coordination between ACBs, MCCBs, fuses, and downstream starters. Engineering design also addresses forms of separation such as Form 1 through Form 4, with higher separation forms often selected for critical Oil & Gas MCC or automation sections to improve maintainability and reduce outage scope. Environmental design is equally important. Outdoor or partially sheltered installations may require IP54, IP55, IP65, or corrosion-resistant stainless steel or epoxy-coated enclosures, anti-condensation heaters, thermostats, filtered ventilation, or air-conditioning for heat-sensitive PLC and VFD components. For offshore platforms, refineries, terminals, and gas compression stations, vibration resistance, salt mist protection, and cable gland selection are major considerations. Functional safety integration may include emergency shutdown interfaces, fire and gas system signals, permissive logic, and interlocks designed in accordance with IEC 61508 and IEC 61511, while electromagnetic compatibility and surge protection are addressed through robust earthing, shield termination, and coordinated SPD selection. Arc-related hazards may also require design verification against IEC 61641 for internal arc containment in certain switchboard sections. Typical Oil & Gas PLC and automation panel configurations include pump control panels, compressor control panels, flare and utility skids, tank farm automation, wellhead monitoring panels, custody transfer auxiliaries, analyzer shelters, and packaged process units. Patrion’s engineering approach focuses on compliant component selection, maintainable wiring architecture, and documentation packages suitable for EPC handover, FAT/SAT, and lifecycle support. The result is a PLC & Automation Control Panel that supports reliable process control, safer operations, and long-term serviceability in one of the most technically demanding industrial sectors.

Key Features

  • PLC & Automation Control Panel configured for Oil & Gas requirements
  • Industry-specific environmental ratings and protections
  • Compliance with sector-specific standards and regulations
  • Optimized component selection for industry applications
  • Integration with industry-standard control and monitoring systems

Specifications

PropertyValue
Panel TypePLC & Automation Control Panel
IndustryOil & Gas
Base StandardIEC 61439-2
EnvironmentIndustry-specific ratings

Other Panels for Oil & Gas

Main Distribution Board (MDB)

Primary power distribution from transformer to sub-circuits. Rated up to 6300A. Houses main incoming breaker, bus-section, and outgoing feeders.

Power Control Center (PCC)

High-capacity power distribution for industrial facilities. Controls and distributes incoming power to MCC, APFC, and downstream loads.

Motor Control Center (MCC)

Centralized motor control with starters, contactors, overloads, and VFDs in standardized withdrawable/fixed functional units.

Variable Frequency Drive (VFD) Panel

Enclosed VFD assemblies with input protection, line reactors, EMC filters, output reactors, and bypass options.

Generator Control Panel

Genset start/stop sequencing, synchronization, load sharing, and paralleling controls.

Metering & Monitoring Panel

Energy metering, power quality analysis, and multi-circuit monitoring with communication gateways.

Soft Starter Panel

Enclosed soft starter assemblies for reduced voltage motor starting with torque control, ramp-up/down profiles, and bypass contactor options.

Custom Engineered Panel

Bespoke panel assemblies for non-standard requirements — special ratings, unusual form factors, multi-function combinations.

Other Industries Using PLC & Automation Control Panel

Industrial Manufacturing

MCC, PCC, VFD panels, MDB, APFC, automation panels, soft starters, harmonic filters, capacitor banks — full range

Water & Wastewater

MCC, VFD panels, PLC automation, APFC, generator control, soft starters

Renewable Energy

MDB, metering, APFC, ATS, PLC, DC distribution, capacitor banks

Marine & Offshore

Marine-certified panels, MCC, generator sync, ATS, PLC, classification society compliance

Food & Beverage

Washdown-rated panels (IP65+), MCC, VFD, APFC, PLC, soft starters, harmonic filters

Pharmaceuticals

Cleanroom-compatible panels, MCC, VFD, APFC, PLC, soft starters, harmonic filters

Frequently Asked Questions

The core assembly standard is IEC 61439-1 and IEC 61439-2 for low-voltage switchgear and controlgear assemblies, covering design verification, temperature rise, short-circuit withstand, dielectric performance, and protective circuits. If the panel includes distribution functions, IEC 61439-3 and IEC 61439-6 may also be relevant. For hazardous locations, IEC 60079 is essential, with ATEX or IECEx certification methods depending on project and jurisdiction. Where the panel interfaces with safety functions, IEC 61508 and IEC 61511 are commonly used for SIS-related logic. For arc-resistant or internal arc considerations, IEC 61641 is often referenced. In practice, a compliant Oil & Gas panel combines these standards with site-specific EPC specifications and the selected PLC, VFD, MCCB, or protection relay platform.
Hazardous area requirements are managed by matching the enclosure concept and internal equipment to the classified zone and gas group. IEC 60079 provides the framework for Ex d flameproof, Ex e increased safety, Ex p pressurization, and Ex i intrinsic safety approaches. For PLC & Automation Control Panels, the most common method is to locate the panel in a safe area or use a purged/pressurized enclosure when installed in a hazardous environment. Signal interfaces may use intrinsic safety barriers or isolators for field instruments. Cable glands, earthing, segregation, and temperature class must be coordinated carefully. The final configuration should align with the project’s hazardous area dossier, local regulations, and the selected equipment certification file.
A typical Oil & Gas automation panel includes a PLC CPU, remote I/O, HMI, 24 V DC power supplies, industrial Ethernet switches, terminal blocks, relays, marshalling sections, and network/security components. Depending on the process, the panel may also include MCCBs, contactors, overload relays, soft starters, VFDs, motor protection relays, multifunction meters, UPS modules, and surge protection devices. For critical process units, safety relays or SIS interfaces may be added. The exact bill of materials depends on whether the panel serves pumps, compressors, tank farms, utility skids, or packaged process equipment. Component selection is driven by ambient temperature, vibration, EMC, and required availability rather than by catalog compatibility alone.
Common enclosure ratings for Oil & Gas PLC panels include IP54, IP55, and IP65, selected according to indoor, outdoor, offshore, or washdown exposure. Refineries, terminals, and compressor stations often require enhanced corrosion resistance, so stainless steel or powder-coated sheet steel with gasketed doors and sealed cable entries is typical. When heat is a concern, panels may use thermostatically controlled fans, heat exchangers, or air-conditioning units. For humid or coastal environments, anti-condensation heaters and breather drains are often included. The final enclosure selection should support the ambient temperature, solar load, vibration, and maintenance regime defined by the EPC or end user.
VFDs and soft starters are used to control motor inrush, improve process regulation, and reduce mechanical stress on pumps, fans, compressors, and conveyors. Soft starters are often selected for simple ramp-up duty where speed control is not required, while VFDs provide variable torque control, energy savings, and better process tuning. In Oil & Gas, VFD selection must account for harmonics, EMC, cooling, and hazardous area constraints. Proper coordination with MCCBs or fuses, bypass arrangements, and motor protection relays is essential. IEC 61800 family requirements are relevant for adjustable speed drives, while the assembly itself still falls under IEC 61439 verification. Many panels also include line reactors or harmonic filters to meet site power quality expectations.
Yes. PLC & Automation Control Panels are widely used for pump stations, compressor skids, tank farms, metering stations, and utility systems. For pump applications, the panel typically includes motor starters, level signals, pressure transmitters, and PID logic. Compressor panels may add permissive logic, anti-surge interfaces, vibration monitoring, and detailed alarm handling. Tank farm automation often requires inventory signals, gauging interfaces, high-high level trips, and integration with SCADA or DCS. The panel design must reflect the control philosophy, instrumentation list, and required fail-safe behavior. In many projects, the panel also exchanges signals with fire and gas systems, emergency shutdown systems, and custody transfer metering packages.
Short-circuit ratings depend on the installation point and utility fault level, but Oil & Gas panels are commonly designed for 25 kA, 36 kA, 50 kA, or 65 kA at 400/415 V. The actual rating must be verified under IEC 61439-1/2 using the selected busbar system, protective devices, and enclosure arrangement. Incoming ACBs or MCCBs define the upstream protection, while outgoing feeder protection may use fuses, compact breakers, or motor protection devices. It is important to coordinate let-through energy, selectivity, and cable sizing so that the panel can withstand the prospective short circuit without damage or unsafe operation. For critical process units, documentation should include the fault level assumptions and the protective device coordination study.
EPC contractors should verify the control philosophy, I/O list, hazardous area classification, ambient conditions, power supply scheme, communications protocol, and required certification package before release for manufacture. They should also confirm the enclosure IP rating, corrosion class, internal heat load, short-circuit rating, and the required form of separation under IEC 61439. If the panel will interface with DCS, SCADA, fire and gas, or SIS, the communication and cause-and-effect requirements must be frozen early. Documentation should include GA drawings, wiring diagrams, BOM, terminal schedules, test procedures, and FAT/SAT plans. A well-defined technical specification reduces change orders and ensures the panel is engineered for field conditions rather than only for nominal catalog ratings.

Ready to Engineer Your Next Panel?

Our team of electrical engineers is ready to design, build, and deliver your custom panel solution — fully compliant with international standards.

Request a QuoteCall +90 232 332 22 78