Description
Detailed parameter table
Parameter name | Parameter value |
Product model | OCAH 940181103 |
Manufacturer | ABB |
Product category | Operator control station (HMI panel) |
Display size | 10.1-inch color TFT LCD |
Resolution | 1280 x 800 pixels |
Touchscreen | Projected capacitive (multi-touch) |
Processor | ARM Cortex-A9 (dual-core, 1 GHz) |
Memory | 1 GB RAM, 8 GB flash storage |
Operating system | Windows Embedded Standard 7 |
Communication ports | 2 x Ethernet (10/100/1000 Mbps), 2 x USB 2.0, 1 x RS-232/485 |
Power supply | 24 VDC ±10%, 15 W max |
Operating temperature | 0°C to 50°C |
Storage temperature | -20°C to +60°C |
Humidity tolerance | 10-90% RH (non-condensing) |
Protection class | IP65 front panel; IP20 rear |
Mounting type | Panel mount (flush or semi-flush) |
Dimensions | 272mm x 184mm x 55mm |
Certifications | CE, UL, cUL, ATEX |
Supported protocols | Modbus TCP/IP, Profibus DP, Ethernet/IP |
ABB OCAH 940181103
Product introduction
The ABB OCAH 940181103 is a rugged operator control station (HMI panel) designed to serve as the human-machine interface in industrial automation systems. As a key component in ABB’s portfolio of control solutions, it enables operators to monitor, control, and interact with industrial processes in real time, bridging the gap between human operators and complex machinery.
Featuring a 10.1-inch high-resolution touchscreen, the ABB OCAH 940181103 delivers clear visualization of process data, alarms, and system status. Its robust construction and industrial-grade components ensure reliable operation in harsh environments, while support for multiple communication protocols allows seamless integration with ABB PLCs, DCS systems, and third-party automation equipment. By providing intuitive control and comprehensive process visibility, the ABB OCAH 940181103 enhances operational efficiency and enables quick decision-making in industrial settings.
Core advantages and technical highlights
High-performance visualization: The ABB OCAH 940181103 boasts a 10.1-inch TFT LCD with 1280 x 800 resolution, delivering sharp, vibrant graphics that make process data, trend charts, and alarm lists easy to read. The projected capacitive multi-touch screen supports gestures like pinch-to-zoom and swipe, allowing operators to navigate complex interfaces with ease—critical in fast-paced environments such as manufacturing lines, where quick access to information can minimize downtime.
Industrial durability: With an IP65-rated front panel, the ABB OCAH 940181103 resists dust and water jets, making it suitable for use in washdown areas (e.g., food processing plants) or dusty industrial environments like foundries. Its wide operating temperature range (0°C to 50°C) ensures reliable performance in hot or cold facilities, while rugged components withstand vibration and shock per IEC 60068 standards, reducing the risk of failure in high-stress settings.
Flexible connectivity: Equipped with dual Gigabit Ethernet ports, USB interfaces, and an RS-232/485 serial port, the ABB OCAH 940181103 supports seamless communication with a wide range of industrial devices. It natively integrates with ABB AC500 PLCs and 800xA DCS systems via Modbus TCP/IP and Profibus DP, while compatibility with Ethernet/IP enables connection to third-party equipment. This versatility makes it ideal for both new installations and retrofits of legacy systems.
Powerful processing: The dual-core 1 GHz ARM Cortex-A9 processor, combined with 1 GB RAM and 8 GB flash storage, ensures smooth operation of complex HMI applications, even with multiple data-intensive screens. This processing power allows for real-time updates of dynamic content—such as live process trends or alarm logs—without lag, ensuring operators always have access to the latest information.
Typical application scenarios
In chemical processing plants, the ABB OCAH 940181103 is installed in control rooms and near process skids, providing operators with real-time visibility of reactor temperatures, pressure levels, and chemical flow rates. Its touchscreen interface allows operators to adjust setpoints, acknowledge alarms, and initiate batch sequences, while the IP65 rating protects it from occasional splashes of corrosive cleaning agents. Integration with ABB’s 800xA DCS ensures data synchronization across the plant, enabling centralized monitoring and control.
Within water and wastewater treatment facilities, the ABB OCAH 940181103 serves as a local HMI for pump stations and filtration units. Operators use it to monitor water levels, adjust valve positions, and track energy consumption of pumps. The multi-touch screen simplifies navigation between screens showing filter pressure differentials, chemical dosing rates, and flow meters, while the rugged design withstands the humid conditions typical of treatment plants.
In automotive assembly lines, the ABB OCAH 940181103 is mounted on machine enclosures, allowing line operators to monitor robotic cell status, adjust conveyor speeds, and troubleshoot equipment faults. Its fast processing ensures instant updates of production counts and error messages, while the RS-232/485 port connects to barcode scanners for tracking work-in-progress. The panel’s compact size fits easily in space-constrained areas, while its durable front resists scratches from daily use.
ABB OCAH 940181103
Related model recommendations
ABB OCAH 940181104: A 15.6-inch variant of the ABB OCAH 940181103, offering a larger display for applications requiring more detailed process visualization, such as control rooms with complex systems.
ABB AC500-eCo PM554-R: A PLC controller that pairs with the ABB OCAH 940181103, enabling data exchange between the HMI and field devices for closed-loop control.
ABB 800xA DCS: A distributed control system that integrates with the ABB OCAH 940181103 to provide enterprise-wide process management, ideal for large-scale industrial plants.
ABB CI854A: A Profibus DP communication module that enhances connectivity between the ABB OCAH 940181103 and legacy Profibus devices, simplifying retrofits.
ABB CP600: A complementary compact HMI panel that works with the ABB OCAH 940181103 in distributed systems, providing local control at remote equipment locations.
ABB 24 VDC power supply: Ensures stable power delivery to the ABB OCAH 940181103, with redundancy options for critical applications where uninterrupted operation is essential.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing the ABB OCAH 940181103, verify the panel cutout dimensions (250mm x 162mm) to ensure a proper fit. Mount the HMI in a location with minimal direct sunlight and vibration, and ensure ambient temperature stays within 0°C to 50°C. Gather tools: screwdrivers, torque wrench, and cable gland tools. Use shielded Ethernet and USB cables to reduce EMI, and ensure the 24 VDC power supply is fused and grounded. For washdown areas, seal cable entries with IP65-rated glands to maintain the front panel’s protection rating.
Maintenance suggestions: Inspect the ABB OCAH 940181103 monthly for dust accumulation on vents; clean with compressed air. Wipe the touchscreen with a soft, lint-free cloth and mild detergent (avoid harsh chemicals) to remove fingerprints or debris. Check Ethernet and USB connections quarterly for tightness, especially in vibrating environments. Back up HMI projects to a USB drive or network location quarterly to prevent data loss. If the screen becomes unresponsive, calibrate the touch panel via the system menu. For software updates, follow ABB’s guidelines to avoid corruption of the operating system.
Service and guarantee commitment
The ABB OCAH 940181103 comes with a 36-month warranty from the purchase date, covering manufacturing defects and ensuring compliance with published specifications. ABB guarantees repair or replacement of faulty units within 72 hours for critical applications, minimizing operational downtime.
Technical support includes access to ABB’s global engineering team via phone and email, along with online resources such as HMI configuration manuals, driver libraries, and troubleshooting guides. Customers can utilize ABB’s local service centers for on-site assistance with installation and software setup. Optional extended service contracts offer preventive maintenance, priority support, and software update services, ensuring the ABB OCAH 940181103 delivers reliable performance throughout its 5-year design lifespan.