B&R 8BVI0014HWD0.000-1 ACOPOSmulti 2-Axis Inverter Module

System Architecture Overview

The 8BVI0014HWD0.000-1 (8BVI0014HWD0.000-1) is a high-efficiency, multi-axis servo inverter module developed by B&R Industrial Automation within the modular ACOPOSmulti drive platform. Featuring a 2-axis independent control layout, this wall-mounted digital amplifier delivers a compact continuous current rating of 1.9 Amps per axis, optimizing both panel real estate and thermal efficiency. In demanding precision motion applications—such as semiconductor pick-and-place lines, medical container packaging arrays, high-speed textile needle matrices, and coordinated robotic secondary axes—the 8BVI0014HWD0.000-1 preserves absolute trajectory synchronization and cuts unexpected down-time through real-time POWERLINK synchronization, hardware-driven safety functions, and centralized DC bus energy sharing. Its advanced power management stage enables direct coupling with standard ACOPOSmulti power supply modules to harvest and redistribute regenerative braking energy natively.

Technical Configuration & Internal Logic

This dual-axis module integrates two fully isolated inverter stages into one physical housing, sharing a common connection point to the central DC bus bar network.

• Dynamic DC Bus Compliance: Calibrated to operate across a broad DC bus voltage spectrum spanning 260 VDC to 800 VDC, adapting smoothly to localized power supply fluctuations.

• Precision Core Logic Powering: Utilizes a regulated internal 25 VDC input feed for control logic electronics. The internal voltage adjusts based on the DC bus charge profile to maintain safe operating margins (25 VDC x (UDC / 315) from 260 to 315 VDC, stabilizing at 24 VDC +/- 6% up to 800 VDC).

• Integrated Bus Capacitance: Outfitted with an internal 23.5 microfarads input capacitance matrix to smooth out high-frequency voltage ripples generated by fast-switching IGBT output stages.

• Self-Resetting Electronic Protection: Outfitted with an active 250 mA slow-blow electronic fuse that automatically resets once localized overcurrent or thermal faults are cleared, eliminating physical fuse replacement down-time.

Technical Parameters

Industrial Integration FAQs

What functional advantage does the 2-axis independent inverter layout offer over separate single-axis units?

The 2-axis configuration houses two completely independent digital inverter stages within a single physical enclosure, using a single connection point to the shared DC bus bar. This layout cuts the total mounting footprint by up to 50% compared to individual modules and allows direct internal energy balancing: when one axis is decelerating, its regenerative energy can be used instantly by the adjacent motoring axis without ever routing power back through the central power supply module.

How does the drive handle maximum operating temperatures up to 55 deg C?

The nominal continuous current capacity of 1.9 Amps is specified for ambient air conditions up to 40 deg C. If the control enclosure internal temperature rises past this threshold up to the absolute 55 deg C ceiling, the module switches over to a thermal derating curve. The internal firmware clamps the peak output current and switches the carrier frequency limits to reduce switching losses and protect the internal IGBT silicon junctions from thermal breakdown.

What specific safety certifications are designated by the "AS" configuration code in this module?

The "AS" designation stands for "Advanced Safety" or integrated functional safety parameters. This indicates that the inverter hardware is equipped with independent, dual-channel physical inputs to execute safety functions like Safe Torque Off (STO) or Safe Stop 1 (SS1) directly on the drive level, meeting international SIL 3 / PL e criteria without using external safety contactors.

Field Commissioning & Safety Guidelines

Vertical Cabinet Installation and Airflow Paths

Mount the ACOPOSmulti module strictly in a vertical orientation onto a flat, non-combustible metallic sub-panel using the factory wall-mounting bracket clips. To ensure adequate natural and forced air convection through the high-density internal cooling channels, maintain a rigid clearance safety zone of at least 50 mm above and below the drive housing. Keep surrounding internal cabinet air below the 40 deg C nominal envelope.

DC Bus Bar Torque and Isolation Protocol

When interlocking the shared copper DC bus bars across adjacent ACOPOSmulti units, ensure all terminal retention screws are torqued tightly to the factory manual specifications. Loose connections create localized contact resistance, generating severe hotspots and DC bus ripple faults. Never work on the bus bar connections until verifying with a digital multimeter that the DC bus voltage has completely discharged below 42 VDC after main power shutdown.

Motor Cable Shield Grounding Layout

Route the high-frequency PWM motor output cables and low-voltage encoder feedback lines through independent wire ways separated by a minimum of 200 mm. Ground the braided copper shield of the motor power cable across a 360-degree surface area at the drive's integrated grounding plate using low-impedance metal clamps. This grounding setup diverts common-mode leakage currents directly to earth, protecting nearby communication networks and sensor loops from EMI corruption.