The **TG-B6-R** is a specific model of a wireless industrial remote control receiver, typically used in overhead cranes, hoists, and heavy industrial machinery. It belongs to the **Telecrane** or similar radio control series. Below is an explanation of its electronic architecture and components. ### 1. Core Technical Specifications The electronics are designed for high-interference environments and safety-critical operations. | Component | Specification | | :--- | :--- | | **Operating Voltage** | AC 24/48/110/220/380V or DC 12-24V | | **Frequency Range** | VHF (310-331 MHz) or UHF (425-446 MHz) | | **Relay Capacity** | 10A / 250VAC | | **Hamming Distance** | $\geq 4$ (Error detection/correction) | | **Temperature Range** | -35°C to +85°C | --- ### 2. Key Internal Electronic Parts The device consists of two main PCB (Printed Circuit Board) layers: the **RF Module** and the **Relay/Power Board**. #### A. The Microcontroller Unit (MCU) The "brain" of the receiver. It decodes the incoming radio signals and checks the unique **Security ID Code** (over 4.3 billion combinations) to ensure the receiver only responds to its paired transmitter. #### B. RF Receiver Module - **Antenna Port:** Usually an internal or external whip antenna. - **Crystal Oscillator:** Determines the specific frequency channel. These are often swappable to change frequencies if interference occurs. - **Filter Circuit:** Uses SAW (Surface Acoustic Wave) filters to block out industrial noise from motors and inverters. #### C. Relay Output Array The TG-B6-R features **6 multi-function relays**. - These are physical electromagnetic switches that open/close the contactors of the crane. - They are typically rated for high inductive loads. - **Emergency Stop Relay:** A redundant safety relay that cuts all power if the signal is lost. #### D. Power Supply Module - Includes a **Step-down Transformer** or a **Switching Mode Power Supply (SMPS)** to convert high-voltage industrial AC into low-voltage DC (5V/12V) for the logic circuits. - Protected by **Varistors** to prevent damage from voltage surges. --- ### 3. Safety Features in the Circuitry 1. **Watchdog Timer:** If the internal software freezes, this hardware circuit automatically resets the system to prevent "runaway" commands. 2. **Voltage Detection:** If the input voltage drops below a threshold, the receiver will automatically shut down all relays to prevent erratic behavior. 3. **Internal Fuse:** Protects the internal traces from short circuits in the external wiring. --- ### 4. Typical Wiring Pinout The electronics interface with the machine via a multi-core cable: | Wire Color/Number | Function | | :--- | :--- | | **Black & Brown** | Power Input (AC/DC) | | **Red (Main)** | Common / Emergency Stop | | **Orange** | Start / Horn | | **Yellow/Green/Blue** | Directional Controls (Up, Down, East, West, etc.) |