B&R 8BVI0220HCD8.000-1 Servo Inverter Module – ACOPOSmulti

B&R 8BVI0220HCD8.000-1 — ACOPOSmulti Axis Inverter Module for High-Density Multi-Axis Motion Control

The B&R 8BVI0220HCD8.000-1 is a single-axis inverter module designed for integration within the ACOPOSmulti modular servo drive platform. It operates as the power conversion and closed-loop control node for one servo axis, drawing from a shared 750 V DC bus supplied by a dedicated mains module on the same backplane. With a continuous output current rating of 22 A and a peak overload capacity of 44 A for 5 seconds, the module is sized for servo axes requiring sustained torque delivery under dynamic load profiles — including high-inertia spindles, web-tension rolls, and multi-axis gantry joints.

Unlike standalone drive architectures, the ACOPOSmulti backplane eliminates individual AC input wiring per axis. The 8BVI0220HCD8.000-1 receives its DC bus potential directly through the backplane connector, reducing cabinet wiring by a measurable factor in multi-axis configurations. The module’s slot pitch of 67.5 mm allows up to eight axes in a standard 600 mm enclosure width, a density figure that matters in machine tool and packaging OEM designs where panel real estate is a hard constraint.

Encoder feedback is handled through a plug-in interface card, supporting EnDat 2.1/2.2, Resolver, and Incremental TTL standards. This field-swappable design means the same inverter module can be reconfigured for different motor types without hardware replacement of the base unit — a significant advantage in flexible manufacturing cells where motor specifications change between production runs.

The integrated Safe Torque Off (STO) function is hardwired independently of the fieldbus, meeting IEC 62061 SIL 2 and EN ISO 13849-1 PLd requirements. This eliminates the need for external safety contactors on each axis, reducing both BOM cost and the mechanical failure modes associated with contactor wear in high-cycle applications.

Communication to the B&R controller is via POWERLINK — a deterministic, Ethernet-based fieldbus with configurable cycle times down to 400 µs. At this cycle rate, position, velocity, and torque setpoints are exchanged between the PLC and each inverter module with bounded latency, enabling tight electronic camming and gearing across axes without the jitter associated with non-deterministic Ethernet protocols.

All units available through siemensplc.com are sourced from verified industrial supply channels, inspected against OEM mechanical and labeling standards, and shipped from our warehouse in Xiamen, China with full export documentation. A 12-month warranty is included on every unit.

Real-time Stock & RFQ: [email protected] | WhatsApp: +86 18359268345

Technical Parameters

Hardware Logical Analysis

DC Bus Topology and Regenerative Energy Routing: The 8BVI0220HCD8.000-1 does not contain its own rectifier stage. It connects directly to the shared 750 V DC bus established by the ACOPOSmulti supply module (8B0M or 8BVP series). This topology has a concrete electrical consequence: kinetic energy recovered during motor deceleration is fed back onto the DC bus as electrical energy, where it is immediately available to any other inverter module on the same backplane that is simultaneously accelerating its axis. In multi-axis machines with coordinated motion profiles — such as a pick-and-place with simultaneous X-axis deceleration and Z-axis acceleration — this inter-axis energy exchange reduces peak demand on the mains supply module and lowers overall system heat dissipation.

PWM Output Stage and EMC Design: The inverter’s output stage uses IGBT switching at a carrier frequency selected to balance switching losses against motor acoustic noise and current ripple. The module’s internal layout separates the high-frequency switching section from the control logic section using a ground plane partition, reducing conducted EMI coupling into the encoder signal conditioning circuits. Output terminals include integrated common-mode choke provisions, and the module is designed to operate within EMC Class C2 environments without additional external filtering in most standard cable configurations.

Encoder Signal Conditioning and Interpolation: The plug-in encoder interface card performs signal conditioning and interpolation before passing position data to the module’s DSP. For EnDat 2.2 interfaces, the card handles the serial communication protocol and CRC verification, flagging encoder errors to the control loop before they can propagate as position faults. Resolver interfaces use an onboard R/D converter with configurable tracking bandwidth, allowing the system to maintain position accuracy at high shaft velocities without phase lag accumulation.

Backplane Communication Architecture: The module communicates with the B&R controller via the POWERLINK backplane segment. POWERLINK uses a Managing Node / Controlled Node (MN/CN) architecture where the PLC acts as MN, issuing isochronous poll requests to each inverter module (CN) in a deterministic sequence. The 8BVI0220HCD8.000-1 responds within a bounded time window, ensuring that all axis setpoints in a multi-axis system are updated within the same control cycle. This eliminates the axis-to-axis timing skew that occurs in systems using separate point-to-point drive connections.

Thermal Management: The integrated fan draws air through the module from bottom to top, exhausting heat at the top of the enclosure. The fan speed is monitored by the module firmware; a fan fault is reported as a diagnostic event on the POWERLINK bus before thermal shutdown occurs, giving the controller time to execute a controlled stop sequence rather than an uncontrolled power loss.

System Integration Benefits

• Deterministic Cycle Time: POWERLINK isochronous communication at 400 µs cycle time ensures all axis setpoints are updated synchronously, enabling electronic camming and gearing without inter-axis timing drift.
• Shared DC Bus Energy Recovery: Regenerative braking energy from decelerating axes is redistributed to accelerating axes on the same backplane, reducing peak mains demand and lowering energy consumption in cyclic motion profiles.
• Scalable Axis Count: Additional inverter modules are inserted into adjacent backplane slots without new mains wiring — axis count scales from 1 to the supply module’s rated bus current capacity.
• Integrated STO Without External Contactors: Hardwired STO inputs on each module eliminate per-axis safety contactors, reducing panel component count, wiring complexity, and contactor maintenance intervals.
• Field-Swappable Encoder Interface: Plug-in encoder cards allow motor type changes (e.g., from resolver-based to EnDat) without replacing the inverter module base unit, protecting capital investment in flexible manufacturing environments.
• Diagnostic Transparency: Module firmware reports fan status, DC bus voltage, output current, encoder signal quality, and STO state as process data objects on the POWERLINK bus, accessible to the B&R controller for predictive maintenance logic.
• Compact 67.5 mm Slot Pitch: High axis density in standard 600 mm enclosures reduces cabinet footprint and associated installation costs in multi-axis machine designs.
• Automation Studio Integration: Full configuration, commissioning, and oscilloscope trace capture are performed within B&R Automation Studio 4.x, eliminating the need for separate drive commissioning software and reducing engineering time per axis.
• Firmware Version Management: Module firmware is managed centrally from the Automation Studio project, ensuring all axes in a system run consistent firmware versions and simplifying software change control in validated production environments.
• CE / UL / cUL Certification: Dual-market certification (EU and North America) allows the same module to be designed into machines targeting both markets without hardware substitution.

Quality Assurance & Global Logistics

Every B&R 8BVI0220HCD8.000-1 unit dispatched from our Xiamen facility is a genuine OEM component sourced through verified industrial supply channels. Prior to shipment, each unit undergoes a structured inspection protocol: serial number and firmware version are recorded, connector integrity and label legibility are verified, and physical condition is documented with photographs retained on file. Units showing any evidence of prior field installation damage, connector pin deformation, or label tampering are quarantined and not offered for sale.

Original B&R packaging is preserved where available. Where original packaging is absent, units are repackaged in ESD-safe anti-static bags with foam cushioning inside double-wall corrugated cartons rated for international air freight handling. A certificate of conformity is included with every shipment.

Export documentation — commercial invoice, packing list, and certificate of origin — is prepared in compliance with Chinese customs export regulations and the import requirements of the destination country. HS code classification is applied consistently to avoid customs clearance delays. Shipments are dispatched via DHL Express, FedEx International Priority, or UPS Worldwide Express, with full tracking provided at time of dispatch. Transit times to major industrial hubs in Europe, North America, Southeast Asia, and the Middle East typically range from 3 to 7 business days from Xiamen.

A 12-month warranty is provided from the date of shipment. Warranty claims are handled by our technical team; defective units are assessed and either repaired, replaced, or credited at our discretion. Extended warranty terms and exchange pool arrangements are available for volume procurement — contact [email protected] for details.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
Location: Xiamen, China
© 2026 siemensplc.com. All rights reserved.