B&R X20BC8084 – High-Speed Bus Controller Module | X20 System Platform
Engineering Background: The X20BC8084 is B&R’s dedicated bus controller for the X20 modular I/O system, engineered to serve as the communication backbone between the X20 backplane and higher-level fieldbus networks. Designed for deterministic, real-time data exchange, it is the preferred choice of automation engineers who demand sub-millisecond cycle synchronization across distributed control architectures.
Product Positioning: Targeted at OEM machine builders, system integrators, and plant engineers operating within B&R APROL or Automation Studio environments, the X20BC8084 bridges POWERLINK and CAN fieldbus protocols to the X20 I/O station — enabling scalable, high-density I/O expansion without compromising determinism or diagnostic transparency.
Complete Technical Specifications
- Part Number / SKU: X20BC8084
- Manufacturer: B&R Industrial Automation (Bernecker + Rainer)
- Product Family: X20 System – Bus Controller Series
- Communication Interface: POWERLINK V2 (Managing / Controlled Node) + CAN
- Backplane Bus: X20 internal system bus
- Cycle Time: ≥ 400 µs (POWERLINK cycle synchronization)
- Supply Voltage: 24 VDC (via X20 power supply module)
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: −25 °C to +70 °C
- Protection Rating: IP20
- Mounting: DIN rail (35 mm), snap-on X20 base plate
- Dimensions (W × H × D): ~12.5 mm × 99 mm × 72 mm (module only)
- Weight: approx. 60 g
- Certifications: CE, UL, cUL
- Country of Origin: Austria
- Firmware: Managed via B&R Automation Studio (AS 3.x / 4.x)
Proven Application Environments
- Automotive body-in-white and powertrain assembly lines requiring deterministic I/O synchronization
- Packaging machinery with distributed servo and I/O nodes on POWERLINK networks
- Semiconductor fab equipment demanding sub-millisecond cycle times and high EMI immunity
- Food & beverage processing lines with hygienic-zone remote I/O expansion
- Printing and converting machines using B&R APC or industrial PC controllers
- Energy and utility SCADA systems integrating CAN-based field devices
- Robotics cells with multi-axis coordination via POWERLINK motion bus
Engineering Advantages
- Dual-Protocol Flexibility: Simultaneous POWERLINK V2 and CAN support reduces gateway hardware and simplifies network topology.
- Hot-Swap Capable: X20 base plate design allows module replacement without full system shutdown, minimizing production downtime.
- Integrated Diagnostics: LED status indicators and Automation Studio online diagnostics provide real-time bus health monitoring.
- Scalable I/O Expansion: Supports up to 64 X20 I/O modules per station, enabling high-density configurations in a compact footprint.
- Deterministic Synchronization: Hardware-level POWERLINK cycle lock ensures jitter < 1 µs across all connected nodes.
- Wide EMC Compliance: Designed to EN 61000-6-2 / EN 61000-6-4 for industrial electromagnetic environments.
System Architecture & Signal Flow
The X20BC8084 occupies the leftmost position of an X20 I/O station, connecting upstream to the POWERLINK managing node (B&R PLC or APC) via RJ45 Ethernet and downstream to the X20 backplane bus. CAN interface (D-Sub 9-pin) provides a secondary fieldbus port for legacy or auxiliary device integration. Internal bus arbitration ensures that all I/O data is aggregated, time-stamped, and transmitted within a single POWERLINK cycle frame — guaranteeing data consistency across the entire station.
Configuration and parameterization are performed exclusively through B&R Automation Studio using the X20BC8084 hardware object. Node address assignment is via rotary switches on the module face.
Sourcing & Quality Verification
- Stock Condition: New (factory-sealed) and certified refurbished units available — clearly labeled at time of quotation.
- Inspection Standard: All refurbished units undergo functional power-on test, firmware version verification, and visual inspection per IPC-A-610 Class 2.
- Traceability: Serial number and date code recorded for every unit shipped.
- Warranty: 12-month replacement warranty on all units supplied by Konmask.com.
- Counterfeit Mitigation: Units sourced exclusively from authorized distributors or verified OEM surplus channels; markings and PCB construction verified against B&R reference samples.
Procurement Process
- Submit RFQ: Email [email protected] or call +0086 19859288691 with your required quantity and delivery timeline.
- Receive Quote: Pricing, lead time, and stock condition confirmed within 1 business day.
- Order Confirmation: Pro-forma invoice issued; payment via T/T, PayPal, or credit card.
- Dispatch & Tracking: Ships via DHL / FedEx / UPS with full tracking. Export documentation (commercial invoice, packing list, COO) included.
- Incoming Inspection Support: Konmask provides test reports and serial number records to support your incoming QC process.
Technical FAQ
Q: Is the X20BC8084 compatible with Automation Studio 4.x?
A: Yes. The module is fully supported in AS 4.x and AS 3.x. Ensure the X20 hardware catalog is updated to include the BC8084 hardware object.
Q: Can the X20BC8084 operate as a POWERLINK Controlled Node (CN)?
A: The X20BC8084 operates as a Controlled Node (CN) on the POWERLINK network, managed by a B&R PLC or APC acting as the Managing Node (MN).
Q: What is the maximum number of X20 I/O modules per BC8084 station?
A: Up to 64 X20 I/O modules can be connected to a single X20BC8084 bus controller station.
Q: Do you supply the X20 base plate (X20BM01) separately?
A: Yes. Base plates, terminal blocks, and power supply modules are available separately — include them in your RFQ.
Q: What is the lead time for new factory-sealed units?
A: Typically 3–10 business days depending on origin stock location. Refurbished units ship within 1–3 business days from our warehouse.
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Contact: [email protected] | +0086 19859288691
