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The B&R X20CP1485 is a high-performance compact programmable logic controller (PLC) CPU designed for demanding machine automation tasks within the B&R X20 system architecture. As part of B&R Automation’s (a member of the ABB Group) scalable X20 product family, the B&R X20CP1485 integrates real-time control, motion synchronization, and industrial communication in a space-efficient module that mounts directly on DIN rail alongside X20 I/O. Built around a powerful 1 GHz ARM Cortex-A9 processor, it delivers exceptional computational speed for complex logic, CNC, robotics, and high-speed data handling—making it ideal for mid-range to advanced automation applications.
A key feature of the B&R X20CP1485 is its native support for Ethernet POWERLINK, where it operates as a configurable master or slave, enabling deterministic, sub-millisecond communication with drives, I/O, and other controllers. In addition, it includes a second standard Ethernet port for HMI connectivity, remote access, or integration into plant-wide IT networks. The module also features an integrated ARNC0 backplane interface for seamless communication with local X20 I/O modules without requiring additional bus couplers. With 512 MB RAM, 4 GB onboard flash storage, and an SD card slot for program backup or data logging, the B&R X20CP1485 offers flexibility for both standalone and networked control strategies while maintaining full compatibility with B&R’s Automation Studio development environment.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | X20CP1485 |
| Manufacturer | B&R Industrial Automation (ABB Group) |
| Product Type | Compact PLC CPU module for X20 system |
| Processor | ARM Cortex-A9, 1 GHz |
| RAM | 512 MB DDR3 |
| Onboard Storage | 4 GB eMMC flash memory |
| Communication Interfaces | 1x Ethernet POWERLINK (RJ45), 1x Standard Ethernet (RJ45), ARNC0 backplane |
| Fieldbus Support | Ethernet POWERLINK (configurable as master/slave), Modbus TCP, OPC UA |
| I/O Expansion | Direct connection to X20 I/O modules via ARNC0 backplane (no bus coupler needed) |
| Power Supply | 24 VDC via X20 backplane (max. power consumption: ～10 W) |
| Operating Temperature | 0°C to +55°C |
| Mounting | DIN rail (EN 60715), compatible with X20 system carriers |
| Additional Features | SD card slot (microSD, up to 32 GB), status LEDs, reset button, IP20 protection |
Main Features and Advantages
Integrated real-time communication with POWERLINK:
The B&R X20CP1485 natively supports Ethernet POWERLINK, a real-time industrial Ethernet protocol that enables cycle times as low as 400 µs. This allows precise synchronization of motion axes, I/O updates, and drive commands—critical for applications like printing presses, robotic pick-and-place, or multi-axis packaging machines. Unlike third-party gateways, the integrated POWERLINK stack eliminates latency and simplifies topology.
The B&R X20CP1485 natively supports Ethernet POWERLINK, a real-time industrial Ethernet protocol that enables cycle times as low as 400 µs. This allows precise synchronization of motion axes, I/O updates, and drive commands—critical for applications like printing presses, robotic pick-and-place, or multi-axis packaging machines. Unlike third-party gateways, the integrated POWERLINK stack eliminates latency and simplifies topology.
Seamless X20 I/O integration via ARNC0:
Unlike modular PLCs requiring separate bus couplers, the X20CP1485 communicates directly with all X20 digital, analog, and specialty I/O modules through the ARNC0 backplane interface. This reduces hardware cost, panel footprint, and wiring complexity while ensuring deterministic data exchange at microsecond resolution.
Unlike modular PLCs requiring separate bus couplers, the X20CP1485 communicates directly with all X20 digital, analog, and specialty I/O modules through the ARNC0 backplane interface. This reduces hardware cost, panel footprint, and wiring complexity while ensuring deterministic data exchange at microsecond resolution.
Scalable storage and open software ecosystem:
With 4 GB of internal flash and a microSD slot, the B&R X20CP1485 supports extensive recipe management, data logging, and firmware backups. It runs B&R’s mapp Technology framework, enabling rapid implementation of standardized functions like web visualization, data export, or safety (via OpenSAFETY over POWERLINK). Full support for IEC 61131-3 languages in Automation Studio ensures code portability across B&R platforms.
With 4 GB of internal flash and a microSD slot, the B&R X20CP1485 supports extensive recipe management, data logging, and firmware backups. It runs B&R’s mapp Technology framework, enabling rapid implementation of standardized functions like web visualization, data export, or safety (via OpenSAFETY over POWERLINK). Full support for IEC 61131-3 languages in Automation Studio ensures code portability across B&R platforms.
Compact yet powerful for modern machine concepts:
Despite its small size (only 62.5 mm wide), the B&R X20CP1485 delivers performance comparable to larger rack-based systems. Its dual Ethernet ports allow separation of real-time (POWERLINK) and non-real-time (IT/HMI) traffic, enhancing cybersecurity and network stability. The unit is also fanless and solid-state, ensuring long-term reliability in dusty or vibrating environments.
Despite its small size (only 62.5 mm wide), the B&R X20CP1485 delivers performance comparable to larger rack-based systems. Its dual Ethernet ports allow separation of real-time (POWERLINK) and non-real-time (IT/HMI) traffic, enhancing cybersecurity and network stability. The unit is also fanless and solid-state, ensuring long-term reliability in dusty or vibrating environments.
Application Field
The B&R X20CP1485 is widely used in industries requiring high-speed, synchronized control with minimal footprint. In packaging machinery, it coordinates servo drives for film feeding, cutting, and sealing while monitoring sensors via X20 I/O—all synchronized over POWERLINK to ensure consistent product quality at high line speeds. Its ability to run mapp Vision or mapp Data allows direct integration with cameras or cloud dashboards without external PCs.
In printing and converting, the B&R X20CP1485 controls multiple print stations with electronic line shafting, compensating for tension variations in real time. The deterministic communication ensures color registration accuracy even during acceleration or deceleration. Similarly, in assembly and test systems, it manages precision motion sequences, torque monitoring, and pass/fail validation using integrated X20 analog and encoder modules.
The X20CP1485 is also deployed in woodworking, textile, and plastic processing machines, where its robustness and open communication protocols simplify integration with third-party devices. Because it supports OPC UA and Modbus TCP alongside POWERLINK, it acts as a bridge between legacy equipment and modern IIoT architectures. Across all these sectors, the B&R X20CP1485 delivers a future-proof, scalable control platform that balances performance, openness, and ease of engineering.
Related Products
X20CP1585: Higher-end variant with more RAM (1 GB) and faster processor—ideal for complex CNC or robotics
X20CP0484: Lower-cost CPU with reduced specs; suitable for simpler logic applications
X20BM11: Bus adapter for expanding X20 I/O beyond the local segment when using non-CPU modules
X20DI4371 / X20DO4321: Common digital input/output modules used with X20CP1485
X20CM8281: CANopen master module—adds fieldbus capability to X20CP1485-based systems
ACOPOS P3: B&R’s next-gen servo drive—fully synchronized with X20CP1485 via POWERLINK
Automation Studio: B&R’s integrated engineering suite for programming and configuring X20CP1485
X20TB12: Terminal cover with labeling area—enhances usability in panels using X20CP1485
Installation and Maintenance
Pre-installation preparation: Before installing the B&R X20CP1485, ensure the DIN rail is securely mounted and grounded, and verify that the 24 VDC power supply meets ripple and current requirements (typically ≥1.5 A per CPU). Install the module adjacent to X20 I/O modules on the same rail segment to enable ARNC0 communication—maximum recommended distance is 10 meters without repeaters. Connect the POWERLINK port to your real-time network using shielded Cat5e cable, and terminate unused segments per POWERLINK guidelines. Use the standard Ethernet port for HMI or engineering access, and insert a formatted microSD card if backup or data logging is required.
Maintenance recommendations: The B&R X20CP1485 is maintenance-free due to its fanless, solid-state design. However, periodically inspect the SD card (if used) for wear and back up critical programs via Automation Studio. Monitor CPU temperature via software diagnostics—sustained operation above 55°C may indicate inadequate ventilation. If communication errors occur, check POWERLINK cable integrity and node configuration. Firmware updates should be performed during planned outages using Automation Studio’s secure transfer protocol. Always power down the backplane before removing the X20CP1485 to prevent data corruption or I/O glitches.
