Bosch Rexroth VFC 5615 Frequency Converter

## 💡 Product Introduction (Product Brief)

The **Rexroth VFC 5615** is an adaptation or regional variant of the **VFC 5610 premium, high-performance variable frequency drive (VFD)** series. It leverages the same advanced hardware and software platform, specifically utilizing **Flux Vector Control (FVC)** capabilities for exceptional precision, dynamic stability, and high torque output, even at zero speed (when used with an encoder feedback card).

The VFC 5615 targets highly demanding industrial applications where the highest levels of speed accuracy and dynamic response are critical.

* **Manufacturer:** Bosch Rexroth

* **Target Applications:** High-precision motion control, lifting equipment (hoists, elevators), advanced material handling, process lines requiring precise synchronization, and high-performance machine tools.

* **Key Design Feature:** Supports both Sensorless Vector Control (SVC) and the superior, high-precision **Flux Vector Control (FVC)**. Designed for dual-rated operation (Heavy Duty/Normal Duty) and features robust communication options.

## 📋 Product Parameters (Specifications)

The VFC 5615 aligns closely with the specifications of the VFC 5610, serving the high-power industrial segment:

| Parameter Category | 3-Phase 400 VAC Input Models |

| :--- | :--- |

| **Rated Output Power (Heavy-Duty)** | 0.75 kW to 400 kW |

| **Mains Voltage Range** | 380–480 V (+10% / -15%) |

| **Control Technology** | Flux Vector Control (FVC), SVC, V/f Control |

| **Speed Regulation Accuracy (FVC)** | $\pm 0.02\%$ of maximum speed |

| **Start-up Torque (FVC)** | 200% at 0 Hz (closed loop) |

| **Overload Capacity** | 150% for 60 seconds (Heavy-Duty) |

| **Protection Category** | IP20 (Standard) |

## ⚙️ Functions (Features)

The VFC 5615 includes the advanced functions necessary for complex motion control and synchronization:

* **High-Precision Control:** Offers closed-loop FVC control (requires optional encoder card) for the best dynamic performance and zero-speed torque.

* **Dual Rating:** Allows configuration for Heavy Duty (HD, high overload) or Normal Duty (ND, fan/pump) applications.

* **Integrated Braking:** Built-in Braking Chopper is standard on all models, facilitating fast deceleration with an external braking resistor.

* **Advanced Communication:** Standard integrated **Modbus RTU**. Multiple slots for fieldbus expansion cards, typically supporting **Profibus DP, DeviceNet, EtherCAT, and PROFINET IO**.

* **Integrated PLC:** Includes a basic PLC function for custom logic programming.

* **Torque Control:** Capable of operating in high-accuracy torque control mode.

* **Safety & Reliability:** Features such as Flying Start (speed search) and extensive electronic protection features.

## 📏 Dimensions and Weight

Dimensions and weights are consistent with the VFC 5610 series, varying based on the power rating (W x H x D in millimeters):

| Model Example (Partial P/N) | Rated Power (Heavy Duty) | Net Weight (Approx.) | Dimensions W x H x D (mm) |

| :--- | :--- | :--- | :--- |

| **VFC5615-2K20-3P4** | 2.2 kW (3-Ph) | 2.0 kg | 100 x 180 x 140 |

| **VFC5615-11K0-3P4** | 11.0 kW (3-Ph) | 7.3 kg | 160 x 300 x 205 |

| **VFC5615-37K0-3P4** | 37.0 kW (3-Ph) | 22.0 kg | 250 x 550 x 270 |

| **VFC5615-400K-3P4** | 400 kW (3-Ph) | ~180 kg | 550 x 1000 x 380 |

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