Yokogawa EC401‑BCOUPLER
- Product Name: Yokogawa EC401‑BCOUPLER Bus Coupler Module
- Product Series: Centum VP Series Industrial Bus Coupler Unit
- Technical Specifications: Supports V‑Net industrial bus protocol; operating voltage 24 VDC ±10%; power consumption ≤8 W; operating temperature 0 °C‑60 °C; communication rate 10 Mbps; compliance with IEC 61131‑3 standard
Detailed content
- Functional Features: Realizes bus signal coupling and isolation; realizes data exchange between different control stations; signal anti‑interference amplification and transmission; supports redundant bus connection
- Performance Parameters: Communication transmission distance up to 2000 m; signal isolation voltage 2500 VAC; data transmission error rate ≤10⁻⁹
- Material Composition: Industrial flame‑retardant plastic shell; high‑speed communication chip; isolation transformer; gold‑plated bus connectors
- Structural Characteristics: DIN‑rail mount modular design; compact size; front‑panel communication status indicators; terminal wiring interface
- Working Principle: Receives bus data signals from upstream control modules; performs signal isolation, shaping and amplification; transmits data to downstream bus nodes; realizes stable inter‑station communication scheduling
- Advantages Highlights: High‑speed long‑distance communication; strong signal isolation capability; anti‑electromagnetic interference; redundant bus compatibility; plug‑and‑play hot‑swap support
- Applicable Industries: All large‑scale industrial automatic control fields including petrochemical, power plant, metallurgy, chemical fiber, water conservancy
- Installation Requirements: Installed in control cabinet with good heat dissipation; fixed on standard DIN rail; bus wiring adopts shielded twisted‑pair cable; standard grounding connection
- Usage Precautions: Strictly match bus protocol parameters; avoid short‑circuit of bus terminals; regularly check connector contact performance; prevent static electricity damage












