Mitsubishi Electric FR-E800

## 1. Product Overview & Strategic Positioning

The **Melspro VFD FR-E800 series** represents Mitsubishi Electric’s most advanced compact, high-performance variable frequency drive, engineered to replace the legendary FR-E700 series. Designed for OEMs, system integrators, and smart factories, the FR-E800 integrates cutting-edge **AI-driven diagnostics**, multi-protocol **Dual Ethernet ports**, and advanced safety functionalities into an ultra-compact footprint. It delivers exceptional motor control flexibility for both asynchronous and synchronous motors.

### Core Design Philosophy

* **Smart Factory Connectivity:** Supports multi-protocol industrial networks natively via dual Ethernet ports, enabling line, ring, or daisy-chain topologies without external switches.

* **AI-Driven Predictive Maintenance:** Integrates Maisart (Mitsubishi Electric's AI technology) to analyze internal component degradation, predicting fan or capacitor failures before they cause unexpected downtime.

* **Corrosive Environment Tolerance:** Available with heavy-duty circuit board coating (complying with IEC 60721-3-3 3C2/3S2) to resist harsh environments containing salt, sulfur, or humidity.

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## 2. Technical Specifications & Power Ranges

The FR-E800 family adapts perfectly to worldwide power networks and is structured into multiple model lines based on connectivity (e.g., FR-E800-E for Ethernet, FR-E800 for Serial).

### 2.1 Basic Technical Specifications

| Parameter | Specifications & Technical Indicators |

| :--- | :--- |

| **Power Range** | • 3-Phase 200 V: 0.1 kW to 11 kW<br>• 3-Phase 400 V (E840): 0.4 kW to 30 kW<br>• 1-Phase 200 V: 0.1 kW to 2.2 kW |

| **Input Voltage Variants** | • 3-Phase 200 to 240 V AC (50/60Hz)<br>• 3-Phase 380 to 480 V AC (50/60Hz)<br>• 1-Phase 200 to 240 V AC (50/60Hz) |

| **Output Frequency** | 0.2 Hz to 590 Hz |

| **Control Modes** | • V/F Control (Scalar)<br>• Advanced Magnetic Flux Vector Control<br>• Real Sensorless Vector Control (for high torque without encoder)<br>• PM Sensorless Vector Control (for Permanent Magnet Synchronous Motors) |

| **Overload Capacity** | Dual Rating Design:<br>• **LD (Light Duty):** 120% for 60s / 150% for 3s (Ambiance up to 50°C)<br>• **ND (Normal Duty):** 150% for 60s / 200% for 3s (Ambiance up to 60°C with derating) |

| **Safety Function** | Safe Torque Off (STO) SIL2 / PL d standard; expandable to SIL3 / PL e via network. |

### 2.2 Network Topology & Models

* **FR-E800-E (Ethernet Model):** Features dual RJ45 Ethernet ports. It allows the user to select the protocol simply by shifting parameters. Supported networks include **CC-Link IE Field Basic, PROFINET, EtherNet/IP, Modbus TCP, and BACnet/IP**.

* **FR-E800 (Standard Model):** Features RS-485 serial communication supporting Mitsubishi Drive Protocol and Modbus RTU.

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## 3. Control Unit I/O Resource Allocation

The terminal block layout has been enhanced using Spring Clamp terminals (push-in technology) to ensure vibration-proof wiring and lower installation labor.

| Terminal Type | Qty | Default Configuration & Technical Capabilities (Standard Parameters) |

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

| **Analog Input (AI)** | 2 | **Terminal 2:** Voltage reference input (0-5V, 0-10V).<br>**Terminal 4:** Current reference input (4-20mA). |

| **Analog Output (AO)** | 1 | **Terminal AM:** Programmable analog voltage output (0-10V DC). Default mapping: Output Frequency. |

| **Digital Input (DI)** | 7 | **STF:** Forward rotation start<br>**STR:** Reverse rotation start<br>**RH/RM/RL:** Multi-speed selection (High/Medium/Low)<br>**MRS:** Output stop<br>**RES:** Drive Reset |

| **Relay Output (RO)** | 1 | **A, B, C Terminals:** Form C relay output contact. Rated for 230V AC 0.3A / 30V DC 0.3A. Default: Fault signaling. |

| **Transistor Output** | 2 | **RUN / FU:** Open collector digital outputs. Default mapping: RUN (Drive running) and FU (Frequency detection). |

## 4. Internal Logic & Advanced Features

The FR-E800 transforms from a simple component into a decentralized processing node via advanced firmware mechanisms.

### 4.1 PLC Functionality (Built-in Developer Engine)

> 💡 **Embedded Logic Processing:** The FR-E800 features an integrated PLC function that can be programmed using **GX Works3** software. Users can write control logic using ladder diagrams to process I/O data, calculate math routines, and manage local sensors independently. This function allows the drive to manage automated machine sub-systems without requiring a separate external PLC.

### 4.2 Real Sensorless Vector Control (RSVC)

Enables the drive to calculate exact rotor position on standard induction motors without needing an encoder speed feedback sensor. It achieves an outstanding **200% starting torque at 0.3

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