B&R X20CP1382 I/O Processor Module: Specs, Compatible SKUs & Availability

Technical Dossier

Product Details And Specifications

B&R X20 System Series: Comprehensive Module Range and Technical Overview

The B&R X20 System is a modular I/O and control platform developed by Bernecker + Rainer Industrie-Elektronik GmbH (now part of ABB). It is deployed across high-demand continuous-process industries including petrochemical refineries, nuclear power auxiliary systems, offshore platforms, and large-scale pharmaceutical manufacturing. The X20 series is characterized by its ultra-compact 12.5 mm module pitch, integrated bus controller architecture, and compliance with IEC 61131-3 programming standards. Its deterministic real-time performance and hot-swap capability make it a preferred platform for safety-critical and high-availability installations globally. The X20CP1382 is an I/O processor module within this ecosystem, functioning as a local CPU with integrated I/O processing capability, designed to offload computation from the main controller in distributed automation architectures.

The Evolution of X20 System Architecture

The X20 System was introduced in the early 2000s as a successor to B&R's X2X Link-based I/O platforms. The first-generation X20 modules established the POWERLINK (IEC 61784-2) real-time Ethernet backbone as the primary fieldbus, replacing legacy PROFIBUS and CAN-based topologies. The second architectural generation introduced the X20 Bus Controller (BC) variants with embedded web diagnostics and extended temperature ratings (-25°C to +60°C) for outdoor cabinet installations.

The CP-series (Control Processor) modules, including the X20CP1382, represent the embedded CPU tier — modules that carry a local ARM or x86-class processor, onboard flash, and direct X2X Link connectivity. These are distinct from pure I/O modules (DI, DO, AI, AO) and from the higher-tier X20 CPUs (X20CP3584, X20CP3686) which run the full Automation Runtime OS. Compatibility across generations is maintained through the X20 backplane bus standard, though firmware version alignment between BC and CP modules is mandatory. Modules from the X20 System are not cross-compatible with the older X67 (IP67-rated field I/O) or the X90 compact controller series without gateway adapters.

X20 System Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the B&R X20 System. Modules are classified by functional category.

I/O Processor & CPU Modules

• X20CP1382: I/O processor module, ARM9 core, X2X Link master, 64 KB user RAM, onboard RTC
• X20CP1583: I/O processor module, enhanced cycle time, 128 KB user RAM, dual X2X Link interface
• X20CP3484: Compact CPU, Intel Atom, 512 MB RAM, 2× Ethernet, Automation Runtime
• X20CP3584: Standard CPU, Intel Atom 1.6 GHz, 1 GB RAM, SD card slot, USB host
• X20CP3686: High-performance CPU, Intel Core i7, 4 GB RAM, real-time hypervisor support

Digital Input (DI) Modules

• X20DI4371: 4-channel digital input, 24 VDC, 0.2 ms filter, sink/source compatible
• X20DI9371: 12-channel digital input, 24 VDC, configurable filter 0.05–12.8 ms
• X20DI4372: 4-channel digital input, 24 VDC, high-speed counter input, 100 kHz

Digital Output (DO) Modules

• X20DO4322: 4-channel digital output, 24 VDC, 0.5 A per channel, short-circuit protected
• X20DO9322: 12-channel digital output, 24 VDC, 0.5 A, diagnostic per channel
• X20DO4332: 4-channel digital output, 24 VDC, 2 A high-current, relay-equivalent switching

Analog Input (AI) Modules

• X20AI4622: 4-channel analog input, ±10 V / 0–20 mA, 16-bit resolution, 1 kHz sampling
• X20AI4632: 4-channel analog input, 4–20 mA HART-compatible, 16-bit, NAMUR NE43

Analog Output (AO) Modules

• X20AO4622: 4-channel analog output, ±10 V / 0–20 mA, 16-bit, simultaneous update

Communication & Bus Controller Modules

• X20BC0083: Bus controller, POWERLINK V2, manages up to 240 X20 I/O modules per station
• X20BC0087: Bus controller, PROFINET IO device, 100 Mbps, MRP ring redundancy support
• X20BC0073: Bus controller, EtherNet/IP adapter, CIP conformance tested

Power Supply Modules

• X20PS9400: Internal power supply, 24 VDC input, feeds X20 backplane bus, 10 A segment capacity
• X20PS9402: Internal power supply with segment isolation, dual-feed input for redundant power architectures

Sourcing Hard-to-Find & Obsolete X20 System Parts

Several first- and second-generation X20 modules, including the X20CP1382, have reached end-of-active-production status with B&R. Standard lead times through authorized distribution channels for these part numbers range from 16 to 52 weeks, or the parts are listed as permanently discontinued. DriveKNMS maintains a dedicated inventory of tested surplus and refurbished X20 modules to support installed base maintenance without requiring full system migration.

Services provided for obsolete X20 parts include: verified functional testing against B&R factory test parameters, firmware version documentation, original packaging where available, and export compliance screening for dual-use goods under CN MOFCOM and EU Regulation 2021/821. For end-users operating under long-term service agreements (LTSA) at power generation or chemical processing facilities, DriveKNMS can provide multi-year supply commitments for critical X20 SKUs upon request.

Quality Control for the X20 System Range

X20 modules present specific test challenges due to their integrated backplane bus connectors, X2X Link transceivers, and in the case of CP-series modules, embedded firmware that must be validated at the application layer. DriveKNMS applies the following test protocol to all X20 modules prior to shipment:

• Visual inspection: connector pin integrity, PCB surface, label legibility, housing latch function
• Backplane bus continuity: X2X Link signal integrity verified at 100 Mbps using a reference BC module
• Power-on self-test (POST): module LED status sequence validated against B&R documentation
• Firmware version read-back: confirmed via Automation Studio or X20 diagnostic tool
• Functional I/O test: for DI/DO modules, all channels exercised at rated voltage and current; for AI/AO modules, calibration verified against NIST-traceable reference instruments
• Burn-in: 48-hour powered soak at 40°C ambient prior to final inspection