B&R ACOPOSmulti Modules: 8BVI0220HCD8.000-1

Technical Dossier

Product Details And Specifications

B&R ACOPOSmulti Series: Comprehensive Module Range and Technical Overview

The B&R ACOPOSmulti system is a modular, multi-axis servo drive platform engineered for high-density motion control in continuous-process and discrete manufacturing environments. Deployed across petrochemical plants, nuclear facilities, offshore platforms, and large-scale automotive assembly lines, ACOPOSmulti occupies a critical position in global heavy industry as a backplane-based drive architecture that consolidates power supply, inverter, and communication functions into a single rail-mounted system. Its distributed intelligence model — where each module carries its own processor and firmware — reduces single-point failure risk and simplifies large-axis-count machine architectures. Installations with 50+ axes on a single backplane are documented in chemical batch processing and paper mill applications.

The Evolution of ACOPOSmulti Architecture

ACOPOSmulti was introduced by B&R in the early 2000s as a successor to the ACOPOS single-axis drive family, addressing the need for higher axis density and shared DC bus operation. The first-generation architecture used the POWERLINK fieldbus (IEC 61158) for isochronous real-time communication between the Automation Runtime controller and each drive node, achieving cycle times down to 400 µs.

The second-generation ACOPOSmulti introduced the 8B series module numbering convention (e.g., 8BVI, 8BVP, 8B0C), standardized 24 VDC auxiliary supply rails, and expanded the inverter current range from 3 A to 72 A continuous per axis. Compatibility between first- and second-generation backplanes requires attention to slot width and connector pinout — mixed installations are possible but require firmware alignment between the system controller and individual modules.

With the introduction of ACOPOSmulti II (circa 2015–2018), B&R extended the platform with Safe Motion functionality (STO, SS1, SLS per IEC 62061), integrated encoder interfaces (EnDat 2.2, HIPERFACE DSL, resolver), and support for the OPC UA over TSN communication layer. Legacy ACOPOSmulti modules remain in active use across installed bases where full system replacement is not economically viable, driving sustained demand for spare parts and refurbished units.

ACOPOSmulti Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked modules within the ACOPOSmulti platform. Each entry reflects the module's primary function within a multi-axis drive system.

Inverter Modules (Axis Modules)

8BVI0220HCD8.000-1: 2.2 A continuous inverter axis module, 8-slot backplane format, DC bus input, POWERLINK interface.
8BVI0055HWD0.000-1: 5.5 A continuous inverter module, wide voltage range, standard backplane mount.
8BVI0110HWD0.000-1: 11 A continuous inverter axis module, integrated brake chopper output.
8BVI0220HWD0.000-1: 22 A continuous inverter module, dual-axis capable configuration.
8BVI0440HWD0.000-1: 44 A continuous inverter module, high-power axis applications.
8BVI0880HWD0.000-1: 88 A continuous inverter module, heavy-duty servo axis use.

Power Supply Modules

8B0C0160HDD0.000-1: 16 kW regenerative power supply module, shared DC bus feed for multi-axis segments.
8B0C0320HDD0.000-1: 32 kW regenerative power supply, supports up to 8 inverter axes on shared bus.
8B0P0160H000.000-1: 16 kW non-regenerative power supply module, standard mains input.
8B0P0320H000.000-1: 32 kW non-regenerative power supply, high-density axis segment supply.

Communication & Interface Modules

8BAC0122.000-1: ACOPOSmulti plug-in communication module, POWERLINK interface card.
8BAC0132.000-1: Plug-in module, PROFIBUS DP interface for legacy PLC integration.
8BAC0142.000-1: Plug-in module, CANopen interface for distributed I/O connectivity.

Encoder & Feedback Modules

8BAC0122.001-1: EnDat 2.2 encoder interface plug-in module, high-resolution absolute feedback.
8BAC0122.002-1: Resolver interface plug-in module, robust feedback for harsh environments.
8BAC0122.003-1: HIPERFACE DSL single-cable encoder interface module.

Backplane & System Components

8B0M0000.00-1: ACOPOSmulti backplane, 8-slot configuration, standard rail mount.
8B0M0000.01-1: ACOPOSmulti backplane, 16-slot extended configuration.
8B0F0000.00-1: Fan unit for ACOPOSmulti cabinet cooling, forced-air thermal management.

Sourcing Hard-to-Find & Obsolete ACOPOSmulti Parts

B&R has progressively transitioned its active product portfolio toward ACOPOSmulti II and the newer ACOPOS 6D platform. As a result, a significant portion of the original ACOPOSmulti module range — including first-generation inverter modules, legacy communication plug-ins, and early-series power supply units — has reached end-of-sale or end-of-support status.

DriveKNMS maintains a dedicated inventory of refurbished, tested, and new-old-stock ACOPOSmulti components to support lifecycle extension for installed systems. For facilities operating under long-term maintenance contracts where full drive system replacement is deferred, DriveKNMS provides: verified functional testing against original B&R specifications, traceability documentation for quality-controlled refurbished units, cross-reference support for identifying compatible replacement modules where direct equivalents are unavailable, and expedited sourcing for emergency breakdown scenarios with same-day quotation response.

Customers operating ACOPOSmulti systems in regulated industries (pharmaceutical, nuclear, oil & gas) can request material certification packages including test reports and origin documentation.

Quality Control for the ACOPOSmulti Range

ACOPOSmulti modules present specific test challenges due to their integrated backplane bus communication, shared DC bus architecture, and embedded firmware dependencies. DriveKNMS applies a structured test protocol for each module processed:

Power stage verification: DC bus input voltage applied at rated level; IGBT switching waveforms verified on all output phases using oscilloscope capture. Gate driver integrity confirmed with no shoot-through events under load simulation. Communication interface test: POWERLINK node enumeration verified using B&R-compatible test controller; module firmware version read-back confirmed against known-good baseline. Encoder interface validation: plug-in encoder modules tested with reference encoder signals (EnDat, resolver, HIPERFACE DSL) to confirm signal integrity and position data accuracy. Thermal cycling: modules subjected to operational temperature ramp (0°C to 55°C) to identify latent solder joint or capacitor failures not detectable at ambient temperature. Final functional run: complete axis enable/disable cycle, torque limit response, and fault code read-back performed before release.

Modules that do not pass all stages are either repaired to component level or quarantined and not offered for sale.