BL20-S4T-SBCS - IP67 4-Port Ethernet - Industrial Automation Stainless - Fieldbus Node

The Turck BL20-S4T-SBCS is a modular I/O interface system designed for robust data acquisition and signal conditioning in industrial automation environments. Part of Turck's BL20 series, this device integrates seamlessly into distributed control architectures, supporting communication via EtherNet/IP, PROFINET, or Modbus TCP protocols. Its compact, fieldbus-independent design enables flexible deployment in machinery, process control, and logistics systems. The BL20-S4T-SBCS features a rugged aluminum housing with IP67/IP69K protection, ensuring resistance to dust, moisture, oils, and mechanical vibrations.

Engineered for versatility, the module supports 4 digital inputs (PNP/NPN) and 4 transistor outputs, making it ideal for connecting sensors, actuators, and PLCs in harsh environments. Compliance with UL 61010, CE, and RoHS standards guarantees global safety and reliability.

The BL20-S4T-SBCS is defined by precision-engineered specifications:

• Input Channels: 4x digital (10-30 V DC, PNP/NPN configurable).
• Output Channels: 4x transistor (0.5 A per channel, 30 V DC).
• Communication Protocols: EtherNet/IP, PROFINET, Modbus TCP (via SBC interface).
• Operating Voltage: 24 V DC (±10%), typical for industrial systems.
• Temperature Range: -25°C to +70°C (operational), -40°C to +85°C (storage).
• Protection Class: IP67/IP69K for harsh environments.
• Housing Material: Aluminum with corrosion-resistant coating.
• Certifications: UL, CE, RoHS, and IEC 61131-2 compliance.

These parameters ensure reliable performance in high-noise and high-vibration applications.

The BL20-S4T-SBCS is critical in industries requiring decentralized I/O solutions:

• Automotive Manufacturing: Connects photoelectric sensors and actuators in robotic welding/painting systems.
• Packaging Machinery: Interfaces with fill-level sensors and barcode scanners for automated packaging lines.
• Process Control: Monitors valves, pumps, and temperature sensors in chemical/pharmaceutical plants.
• Material Handling: Integrates with conveyor belt sensors and sorting systems in logistics hubs.
• Food & Beverage: Withstands washdown environments for hygiene-critical production zones.

Its modularity also suits renewable energy systems, water treatment plants, and mobile equipment.

The BL20-S4T-SBCS outperforms traditional I/O systems through innovative design:

• Decentralized Architecture: Reduces wiring complexity and installation costs via localized signal processing.
• Multi-Protocol Support: Seamless integration with leading industrial networks (EtherNet/IP, PROFINET, Modbus).
• High Immunity to Noise: Shielded electronics and galvanic isolation (500 V AC) ensure signal integrity.
• Tool-Free Configuration: Modular connectors and plug-and-play setup minimize downtime.
• Scalability: Expandable with additional BL20 modules for customized I/O configurations.

These features enhance system flexibility, reduce maintenance, and improve operational efficiency.

The BL20-S4T-SBCS delivers advanced functionality for automation systems:

• Diagnostics: Integrated LEDs for real-time status monitoring of inputs, outputs, and communication.
• Hot-Swappable Design: Modules can be replaced without shutting down the system.
• Overload Protection: Built-in safeguards against short circuits and reverse polarity.
• Flexible Mounting: DIN rail or direct screw mounting for versatile installation.
• Data Logging: Optional firmware for buffering and transmitting process data to SCADA systems.

Combined with Turck's rigorous quality assurance, the BL20-S4T-SBCS is a trusted solution for engineers prioritizing reliability, adaptability, and compliance in industrial IoT applications.