Atlas Copco 1900-0710-52 Communication Control Board

The Atlas Copco 1900-0710-52 (part number 1900071052) is a sophisticated printed circuit board designed to serve as the communication backbone within Atlas Copco air compressor control systems. This board manages data exchange between the central processor, operator interface, and external field devices, ensuring coherent and timely information flow for optimal system performance.

Architecture and Design

This control board features a multilayer PCB layout with high-density surface-mount components. It incorporates a dedicated microcontroller for protocol handling, alongside galvanically isolated communication ports to protect against ground loops and electrical noise. The board’s compact footprint allows it to fit into existing control cabinets with minimal modification.

Key Communication Protocols

The 1900-0710-52 supports a wide range of industrial communication standards, including Modbus TCP/IP, Profibus DP, and DeviceNet. This versatility enables seamless integration with plant-wide supervisory control and data acquisition systems, as well as with third-party variable frequency drives and motor protection relays. The board also includes a USB host port for local configuration and data logging.

Hardware Specifications

• Supply Voltage: 24 VDC ±10%

• Processor: 32-bit ARM Cortex-M4, 120 MHz

• Ethernet Port: 10/100 Base-T, with auto-MDI/MDIX

• Serial Ports: 2 x RS-232, 1 x RS-422/485 software-selectable

• Expansion Slots: 2 x mini-PCIe for optional wireless modules

• Operating Temperature: -20 °C to +65 °C

• Storage Temperature: -40 °C to +85 °C

Integration with Compressor Systems

When installed in Atlas Copco compressor panels, this board interfaces with pressure sensors, thermocouples, and motor starters, translating raw signals into standardized data frames for the main controller. It also handles remote start/stop commands, load-sharing algorithms, and fault annunciation. The board’s firmware can be updated in the field via the USB port, ensuring compatibility with evolving automation standards.

Operational Advantages

Users benefit from reduced wiring complexity, as the 1900-0710-52 supports daisy-chaining of multiple devices over fieldbus. Its high-speed data processing reduces control loop latency, improving system response during transient load conditions. Additionally, the board’s built-in web server provides a browser-based diagnostic interface, allowing maintenance personnel to view real-time status and event logs without proprietary software.

Retrofit and Replacement

This board is an ideal replacement for earlier Atlas Copco communication cards, offering enhanced speed, memory, and connectivity. It is mechanically and electrically compatible with existing mounting brackets and connectors, simplifying field upgrades. The board ships with a configuration backup utility that preserves existing system parameters during replacement.

Reliability and Environmental Protection

Manufactured using lead-free processes and coated with a protective lacquer, the 1900-0710-52 is resilient to humidity, dust, and chemical vapors. It undergoes extensive burn-in testing to ensure long-term reliability. The board is certified to UL 508 and CSA C22.2 standards, meeting safety requirements for industrial control equipment.

Typical Applications

This communication control board is widely used in oil-injected and oil-free rotary screw compressors, centrifugal compressors, and booster systems. It is also found in customized compressor skids for offshore and petrochemical applications, where reliable communication is paramount. Its flexibility makes it suitable for both new machine builds and aftermarket modernization projects.

Conclusion

The Atlas Copco 1900-0710-52 communication control board delivers robust, flexible, and high-speed connectivity for advanced compressor control. Its comprehensive protocol support, rugged construction, and ease of integration make it a cornerstone of modern compressed air management systems.