The CI854A is a high-performance communication interface module launched by ABB. Below is its detailed information:
It supports a variety of communication protocols, including PROFIBUS-DP/V1, Ethernet/IP, Modbus TCP, and IEC 60870-5-101. This enables communication with different types of devices and systems, allowing it to adapt to complex and diverse industrial automation scenarios—for example, connecting PROFIBUS-based sensors, Ethernet/IP-enabled frequency converters, and Modbus TCP-equipped intelligent instruments in a single production line.
With a maximum communication rate of 12Mbit/s, it delivers high-speed, reliable, and secure data transmission. This ensures the accuracy and integrity of data during transmission, meeting the real-time requirements of industrial sites (such as high-speed assembly lines or precision machining processes that demand instant data feedback).
It features line redundancy and master station redundancy. By using two CI854A communication interface modules, master station redundancy in PROFIBUS-DP communication can be achieved. Additionally, it can be combined with CPU redundancy and CEX bus redundancy (BC810), further enhancing system reliability and stability while reducing downtime caused by faults—critical for mission-critical scenarios like continuous chemical production or power grid control.
It can operate stably in complex industrial environments with high temperatures, low temperatures, and strong magnetic interference. Its operating temperature range is -25℃ to +70℃, storage temperature range is -40℃ to +70℃, relative humidity is 5% to 95% (non-condensing), and it has an IP20 protection rating. These features allow it to work reliably in harsh conditions such as outdoor control cabinets, high-temperature workshops, or areas with strong electromagnetic radiation.
It is simple to operate, enabling easy connection and configuration with various devices. It supports hot-swapping, meaning the module can be plugged in or out directly during system operation without shutting down the system. This facilitates equipment maintenance, upgrades, and replacement, minimizing operational interruptions.
- Power Supply: Operating voltage is 24V DC, with a typical current consumption of 190mA.
- Communication Interface: Equipped with a DB9-pin female interface for connecting to PROFIBUS networks.
- Transmission Speed: Supports transmission rates ranging from 9.6kbit/s to 12Mbit/s, allowing flexible adjustment based on on-site communication distance and real-time needs.
- Dimensions and Weight: Height is 185mm, depth is 127.5mm, and weight (including base) is 700g—its compact size makes it suitable for installation in space-constrained control cabinets.
- Other Specifications: Both module redundancy and line redundancy are supported; the maximum number of CEX bus units is 12.
In industries such as automobile manufacturing, electronics manufacturing, and mechanical processing, it is used to connect devices like PLCs, robots, sensors, and drives. It enables automated control and monitoring of production processes, improving production efficiency and product quality—for instance, coordinating data transmission between assembly line robots and quality inspection sensors in automobile factories.
In fields such as oil and gas extraction, chemical engineering, and electric power, it can connect on-site instruments, controllers, and actuators. It realizes precise control and monitoring of production processes, ensuring the safety and stability of energy production—such as monitoring pressure and flow meters in oil pipelines or controlling valve actuators in thermal power plants.
In projects like municipal engineering, water treatment, and rail transit, it enables remote monitoring and management of various devices. This improves the operational efficiency and reliability of infrastructure—for example, controlling water pumps and monitoring water level sensors in water treatment plants, or managing signal equipment in rail transit systems.
In industries such as chemical processes, food and beverage processing, and pharmaceuticals, it connects various process control devices. It achieves precise control and adjustment of production process parameters (e.g., temperature, pressure, flow, and liquid level), ensuring the stability of product quality—such as regulating fermentation tank temperatures in pharmaceutical production or controlling mixing speed in food processing lines.
