Application Scenarios
In a high-end CNC machining center production line, the 5-axis milling unit relied on multiple 8V1090.00-2 drives to control the spindle and feed axes simultaneously. The machine builder originally used discrete configurations—external line filters, standalone braking resistors, and separate safety relays for each axis—which consumed significant cabinet space and introduced multiple failure points. After redesigning around the 8V1090.00-2, each axis drive’s integrated C3 line filter suppressed electromagnetic interference to neighboring sensitive measurement electronics, while the built-in 7 kW peak braking resistor absorbed regenerative energy during rapid deceleration, reducing stopping distance by 35%. The four plug-in slots on each 8V1090.00-2 accepted 8AC114.60-2 POWERLINK interface cards and 8AC123.60-1 EnDat 2.2 encoder modules, enabling real-time position loop closure at sub-100 µs cycle times. For machine builders and end users operating ACOPOS 1000 architectures, the 8V1090.00-2 is not merely a drive—it is the foundation of precise, safe, and compact motion control.
Parameter
| Main Parameters | Value / Description |
|---|---|
| Product Model | 8V1090.00-2 (8V1090.00-2.B) |
| Manufacturer | B&R Industrial Automation (Austria) |
| Product Category | Three-Phase Servo Drive (ACOPOS 1000 Series) |
| Mains Input Voltage | 3×400–480 V AC ±10% / 3×230 V AC ±10% |
| Mains Frequency | 50 / 60 Hz ±4% |
| Rated Power | 4 kW |
| Installed Load (max.) | 10 kVA |
| Continuous Output Current | 8.8 A (eff) |
| Peak Output Current | 24 A (eff) |
| Switching Frequency | 5 / 10 / 20 kHz (selectable) |
| Control Power Supply | 24 V DC ±25% |
| DC Bus Capacitance | 470 µF |
| Integrated Braking Resistor | 7 kW peak / 200 W continuous |
| Motor Connection | 1 motor, max. cable length 25 m |
| Max. Output Frequency | 598 Hz |
| Plug-in Module Slots | 4 |
| Digital Inputs | 3 limit/reference + 1 enable + 2 trigger (sink-type, isolated) |
| Protection | Overload, short-circuit, ground fault |
| Dimensions (W×H×D) | 70.5 × 375 × 235.5 mm |
| Weight | 4.4 kg |
| Protection Rating | IP20 |
| Operating Temperature | 5–40 °C nominal (max. 55 °C) |
| Storage Temperature | -25 to 55 °C |
| Mounting Orientation | Vertical hanging or horizontal face-up |
| Certifications | CE, UKCA, UL (cULus E225616), KC, Functional Safety |
| B&R ID Code | 0x12C8 |
Technical Principles and Innovative Values
- Innovation Point 1 – All-in-One Integration: The 8V1090.00-2 integrates a C3-class line filter (per EN 61800-3), a 7 kW peak braking resistor, and electronic safe restart inhibition directly inside the 70.5 mm wide enclosure. This eliminates three external components per axis, reducing cabinet footprint by up to 40% and removing the wiring complexity that traditionally introduces failure points.
- Innovation Point 2 – Modular Plug-in Architecture: With 4 plug-in module slots, the 8V1090.00-2 adapts to virtually any motion architecture. Populate the slots with 8AC114.60-2 for POWERLINK V2 communication, 8AC110.60-3 for EnDat 2.2 absolute encoder interfacing, or 8AC120.60-1 for resolver feedback—all without replacing the base drive. This future-proofs the investment as communication standards evolve.
- Innovation Point 3 – Electronic Safe Restart Inhibition: The 8V1090.00-2 incorporates an electronic safe restart interlock that prevents unintended motor energization after a power interruption. This functional safety feature, compliant with relevant PLd requirements, protects operators during maintenance and satisfies the most stringent safety audits in automotive and pharmaceutical applications.
- Innovation Point 4 – Temperature-Adaptive Current Derating: The drive intelligently reduces continuous output current based on ambient temperature and installation altitude—0.18 A/°C above 54 °C (at 400 V, 10 kHz) and 0.88 A per 1000 m above 500 m. This embedded intelligence maximizes component lifetime while preventing thermal shutdown in dense cabinet configurations.
- Innovation Point 5 – Ultra-Fast Trigger Response: The two trigger inputs on the 8V1090.00-2 respond within 52 µs (rising) and 53 µs (falling) with digital filtering, enabling hardware-level synchronization of camming, registration marks, and electronic gear engagements. In high-speed packaging applications, this microsecond-level precision translates directly into tighter tolerance and less material waste.
- Innovation Point 6 – Multi-Protocol Compatibility: Through plug-in modules, the 8V1090.00-2 speaks POWERLINK, EtherCAT, CANopen, and PROFIBUS DP. This protocol agility makes it the ideal drive for OEMs building machines for global markets with divergent fieldbus preferences.
