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The Yokogawa SEC402‑51 ESB Bus Coupler Module is a communication interface designed for ESB bus systems within Yokogawa distributed control architectures. It provides stable high‑speed data transmission between field I/O nodes and controllers, ensuring reliable integration and efficient performance in process automation environments.
Manufacturer: Yokogawa
Product Number: SEC402‑51
Product Type: ESB Bus Coupler Module
Function: ESB bus interface for N‑IO/FIO systems
Connectable Nodes: Up to 9 units
Transmission Speed: 128 Mbps (I/O module data transfer)
Transmission Distance: Max. 10 m
Current Consumption: 0.5 A
Ports: 1‑Port configuration
Weight: Approx. 0.24 kg
Shipping Weight: 1.5 kg
High‑Speed Communication: 128 Mbps transmission for efficient I/O data exchange
Node Expansion: Supports up to 9 connected units
Compact Design: Lightweight module at only 0.24 kg
Reliable Interface: Stable ESB bus coupling for N‑IO/FIO systems
Industrial Durability: Built for continuous duty in process automation environments
Easy Integration: Standard rack installation with simple configuration
Q: How many nodes can the SEC402‑51 connect? A: It supports up to 9 units.
Q: What is the maximum transmission distance? A: The module supports up to 10 meters.

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