The SEC402-51 from Yokogawa is a compact ESB bus coupler module designed for high-speed communication between Field Control Units and Node Units. It plays a vital role in distributed control systems by managing data flow across the ESB bus with precision and stability.
Specifications
Model: SEC402-51
Manufacturer: Yokogawa
Function: ESB bus master interface
Transmission Speed: 128 Mbps for I/O module data
Connectable Units: Up to 9 units on the upper side and 9 on the lower side
Transmission Distance: Maximum 10 meters per ESB cable (upper and lower)
Current Consumption: 0.5 A under standard operating conditions
Weight: Approximately 0.24 kg
Mounting: DIN rail or panel-mounted configuration
Interface Type: ESB bus connector with secure locking mechanism
Operating Temperature: 0°C to 55°C
Storage Temperature: -20°C to 70°C
Features
Compact Design: Lightweight and space-saving for control cabinets
High Compatibility: Integrates with Yokogawa CENTUM VP and ProSafe-RS systems
Dual-Side Connectivity: Supports simultaneous upper and lower bus connections
Industrial Reliability: Built for continuous operation in harsh environments
Modular Architecture: Enables scalable system expansion
Easy Installation: Simplified mounting and cable management
Stable Performance: Maintains consistent data flow across ESB networks
