Programmable Logic Controller
A PLC is an industrial controller that automates machinery and equipment. Instead of rewiring relay circuits every time a process changes, engineers simply update the software program. This makes PLC the fundamental building block of factory and plant automation worldwide.
+ Compatible with various global brands
Core Strengths of PLC
Cost Efficiency
Compact modular design based on integrated semiconductor components delivers outstanding hardware cost competitiveness across all facility scales.
Scalability & Connectivity
Ethernet, Profibus, and various I/O expansion modules allow flexible scaling as facility requirements grow.
High Reliability
Semiconductor-based architecture maintains stable operation even in dusty, corrosive, or high-vibration industrial environments.
Easy Maintenance
Built-in status indicators and monitoring functions enable rapid fault diagnosis and prompt response to equipment issues.
Our Brands
Siemens leads global industrial automation with its PLC lineup. The TIA Portal integrated engineering environment supports everything from large-scale plants to automotive production lines.
- TIA Portal integrated engineering environment
- S7-1500 series for large-scale plant control
- OPC UA & digital twin support
- Rich module & expansion options
Rockwell Automation's Allen-Bradley is renowned for its proven reliability in the North American market. The Studio 5000 platform delivers precise real-time control with intuitive configuration.
- Studio 5000 integrated design platform
- ControlLogix high-availability redundancy
- Proven in automotive & food & beverage lines
- PowerFlex drive & PanelView HMI integration
CIMON is a leading Korean PLC and HMI brand offering excellent price-to-performance for small to mid-size facilities, backed by strong local technical support.
- Full lineup from compact to mid-range PLC
- Integrated HMI & SCADA software support
- Ethernet, Profibus & multiple communication options
- Superior domestic A/S and technical support network
Perfect For
Automation of automotive, semiconductor, food & beverage, and chemical production lines
Control of switchgear, renewable energy systems, and water treatment facilities
Ship machinery, port crane, and heavy equipment control
Process control for petrochemical, gas, and water treatment plants
Automated control of HVAC, heating/cooling, and power distribution
Integration with industrial robots, conveyors, and logistics automation
Direct Digital Control & Building Automation
DDC automatically regulates a building's HVAC, ventilation, and lighting based on sensor inputs โ eliminating the need for manual adjustment. Multiple DDC units networked together form a Building Automation System (BAS), enabling centralized monitoring of the entire facility from a single screen.
+ Compatible with various global brands
Core Strengths of DDC
Precise Automatic Control
Receives signals from temperature, humidity, and pressure sensors to regulate equipment more precisely and consistently than manual operation.
Standalone Reliability
Even if the upper network or server fails, each DDC unit continues operating independently, ensuring uninterrupted facility management.
Open Communication
Supports BACnet, Modbus, and other standard protocols for seamless integration with equipment from any manufacturer.
Maintenance Efficiency
Automatically sends alerts when anomalies occur, allowing rapid identification and response to faults across all connected equipment.
Our Brands
Siemens building automation solutions offer globally proven integrated control based on open standards. HVAC, lighting, and energy are managed within a single platform.
- BACnet & KNX open protocol support
- Integrated control for large campuses & mixed-use buildings
- Energy analysis & optimization software integration
- Compliance with global safety standards & certifications
Johnson Controls' Facility Explorer (FX) is an open building automation system that scales from small to large buildings, offering reliable operation and flexible field controller configurations.
- High-reliability operation via FX90 supervisory controller
- Open multi-vendor integration with BACnet & Niagara
- Flexible wired & wireless field controller configurations
- Intuitive interface for rapid on-site troubleshooting
ControlCity is a Korean-made integrated DDC solution based on BACnet and LonWorks open protocols, optimized for small to mid-size buildings with excellent standalone stability.
- Remote & group integrated control via internet
- Full standalone operation even when upper network fails
- Graphic monitoring, control & automated schedule operation
- CE, UL & EMI safety certifications
Perfect For
Achieve occupant comfort and energy efficiency simultaneously through optimized HVAC & ventilation control
Individual room control and automated scheduling for common areas
24/7 uninterrupted operation with grade-specific HVAC quality monitoring
COโ-based ventilation control for improved learning environments and energy savings
Precise environmental control for cleanrooms and temperature-sensitive processes
Integrated ventilation and temperature monitoring for stations, subways, and tunnels
Integrated Security System
We design and implement scenario-based integrated security solutions tailored for buildings, factories, schools, warehouses, and every other environment. By combining products from global leading brands with professional engineering, we deliver a truly reliable security environment.
+ Broad support for additional global brands
Key Components
CCTV & Video Surveillance
IP-CCTV integrated with VMS/NVR, including large-scale monitoring walls for Security Operations Centers (SOC).
Access Control (ACS)
Card reader-based access systems configured door-by-door for precise, zone-level entry management.
Perimeter Security
Fence intrusion-detection sensors linked with PTZ cameras to automatically track intrusion locations.
Security Gates
Speed gates, turnstiles, and vehicle entry gates supplied and installed to match each facility.
High-Security Screening
X-ray scanners and metal detectors deployed at high-security sites such as advanced materials & components plants.
Our Brands
We supply and install AI-powered intelligent CCTV and VMS from a global leader in video security. Deep learning analytics automatically classify people, vehicles, and intrusions across the full camera lineup including 4K and thermal.
- AI object recognition cameras (person & vehicle classification)
- WAVE VMS-based integrated video management
- Full lineup: PTZ, dome, bullet & fisheye cameras
- Thermal cameras for night-time & fire detection
We implement Suprema's access control solutions, which feature world-class biometric technology. Multi-factor authentication via face, fingerprint, and card elevates security levels while integrating seamlessly with attendance management.
- Face & fingerprint multi-factor authentication terminals
- BioStar 2 integrated access management platform
- Speed gate & security door integration
- Attendance management system linkage
Verkada is a cloud-AI powered next-generation unified physical security platform. CCTV, access control, environmental/air-quality sensors, and alarm systems are managed together on a single cloud platform (Command), with AI-powered video search enabling rapid incident response.
- Command unified cloud management platform
- AI-powered intelligent video search & analytics
- Integrated access control, environmental sensors & alarms
- Edge storage architecture without NVR or on-prem servers
We supply AXIS network security solutions that lead the IP camera market. From high-quality cameras with edge AI analytics and enhanced cybersecurity to audio systems and door controllers, we provide end-to-end solutions.
- Full lineup of high-resolution network cameras
- AXIS Camera Station VMS integration
- Integrated audio & speaker security systems
- Edge AI analytics & built-in cybersecurity
Leewoo Solution is an official OPTEX dealer, supplying world-class intrusion detection sensors. Our outdoor PIR, laser, and active infrared sensors minimize false alarms while delivering accurate intrusion detection.
- Outdoor active infrared beam sensors
- Dual-detection outdoor PIR sensors
- Laser scan intrusion detection systems
- CCTV-linked event trigger sensors
Perfect For
CCTV + perimeter intrusion detection + production line monitoring + access control integration (incl. semiconductor & battery manufacturing facilities)
Speed gates + biometrics + parking control + integrated video surveillance
CCTV for vulnerable areas + PANIC emergency call + school zone vehicle recognition
Mobile CCTV for dense rack areas + load monitoring + inventory security
Automatic license plate recognition + RFID redundancy + bollard & gate integration
Active IR beams + PIR sensors + CCTV-linked first-line security system
Mobile CCTV + temporary access control + rapid setup & teardown
Internet Data Center
We design and build Internet Data Centers that safely house and operate servers and communication equipment for internet service companies. We deliver high-availability data center environments equipped with advanced facilities, reinforced security, and high-bandwidth networks.
Key Elements of IDC Construction
Precision Air Conditioning
Design and installation of precision temperature & humidity control and CRAC cooling systems to handle server heat loads
Uninterruptible Power (UPS)
Redundant UPS and generator systems ensure a stable operating environment with zero power interruption
Fire Suppression & Safety
Gas-based suppression systems and early smoke detection provide fire response without equipment damage
Physical Security
Biometric access control, CCTV, and cage rack locks restrict access to authorized personnel only
High-Bandwidth Networking
Multi-ISP connectivity delivers a high-availability network environment free from traffic bottlenecks
Remote Monitoring
DCIM-based real-time remote monitoring and alerting for power, temperature, and security events
Benefits of IDC Adoption
Reduced Operating Costs
Significantly lower facility investment and staffing costs compared to running an in-house server room
Professional Operations
Dedicated operations staff manage equipment around the clock, improving service stability and efficiency
Rapid Scalability
Server expansion can be handled flexibly and quickly to keep pace with business growth
Mechanical Facility Works
From water supply and hot water systems to HVAC, ventilation, air conditioning, and cleanroom facilities โ mechanical facility works breathe life into buildings and production sites. We design with both lifecycle cost and energy efficiency in mind.
3 Design Principles
Reduce Operating Costs
Optimal design and precise installation minimize energy consumption from HVAC and ventilation, lowering long-term operating expenses.
Lifecycle Consideration
We recommend Life Cycle Cost-optimized systems that account for the lifespan difference between mechanical equipment (~10โ15 years) and building structures (~50 years).
Remodeling & Pipe Renewal
Replacing aging pipes with non-ferrous metals (copper, stainless) prevents corrosion and leaks, preserving a hygienic environment for residents.
Key Construction Areas
Installation of drinking and domestic water supply piping and hot water systems in compliance with sanitary standards, including water-saving fixtures.
Design and installation of central and individual HVAC systems including EHP, GHP, and absorption chillers.
Design of heat recovery ventilators, air handling units, and ductwork to meet indoor air quality (IAQ) standards.
Cleanroom construction for semiconductor, pharmaceutical, and food production sites to KS & ISO classification standards.
Design, installation, and maintenance of district heating heat exchanger rooms and city gas piping systems.
Construction of pollution control systems for exhaust gas, wastewater, and noise to ensure environmental regulatory compliance.