HYUNDAI ELEVATOR | SIO BOARD 204C2519 STVF5 Control System

 

Product Overview

The is an essential Input/Output interface module designed specifically for the Hyundai STVF5 elevator control system. This board serves as the primary communication bridge between the main controller and various elevator field devices, including floor sensors, door limit switches, and car operation buttons. It ensures high-speed, reliable data transmission and accurate signal processing for smooth and safe elevator operation.

 

Technical Specifications

• Model Name: SIO Input/Output Board
• Part Number: 204C2519
• System Compatibility: Hyundai STVF5 Elevator Control System
• Dimensions: 280 mm (L) x 150 mm (W) x 30 mm (H)
• Weight: 0.40 kg
• Origin: South Korea
• Operating Temperature: -10°C to +50°C
• Supply Voltage: 24V DC

Mechanical Installation Requirements

🔧 Mounting Method: This board is designed for installation within the STVF5 controller cabinet. It mounts onto the designated standoff pillars using standard plastic insulating spacers to prevent direct contact with the metal backplane. 📏 Space Clearance: Ensure a clearance of at least 30 mm around the board perimeter to prevent accidental contact with neighboring high-voltage components. 🔥 Heat Dissipation: As the STVF5 system operates in high-traffic environments, maintain clear ventilation paths in the cabinet. Avoid blocking the airflow channels near the board’s heat-sensitive IC components.

 

Electrical Wiring Specifications

⚡ Terminal Definition: The board features multiple connector headers (CN series) for I/O expansion. Refer to the STVF5 schematic diagram for specific input mappings (e.g., floor levels) and output assignments (e.g., indicators or relay triggers). 🧵 Cable Gauge: Use shielded multi-core control cable with a conductor diameter of 0.3 mm² to 0.5 mm² for all I/O signal lines to maintain signal integrity over long vertical runs. 🌍 Grounding Norms: Connect the board’s designated common ground pin to the elevator control panel’s centralized signal earth (SG) busbar to eliminate electromagnetic interference.

 

Communication Configuration Steps

⚙️ IP Address: This board utilizes internal bus communication; no external IP configuration is required as it identifies automatically via the STVF5 backplane slot. 🆔 Station Number: The address is determined by the physical slot position in the STVF5 rack. Ensure the board is fully seated to ensure correct node recognition by the main CPU. 📡 Baud Rate: The communication speed is hard-coded into the STVF5 system bus. Ensure all ribbon cables are securely locked to maintain the 1 Mbps (or system-defined) communication frequency.

 

Frequently Asked Questions (Q&A)

❓ What should I do if the “COMM ERROR” LED is blinking? A: This indicates a loss of synchronization with the main processor. Check that the ribbon cable connecting the SIO board to the main controller is firmly seated and free from physical damage or dust. ❓ Can I replace this board while the elevator is running? A: No. You must switch the elevator to “Inspection Mode” and cut off the 24V DC control power supply before removing or installing the board to avoid damaging the logic circuits. ❓ Why are some floor outputs not registering? A: Check for loose terminal connections at the I/O headers or verify that the external field sensors (limit switches/hall sensors) are receiving the correct 24V supply.