PLCs, Power Supplies & Others

The Yokogawa SEC401-11 ESB bus coupler module links I/O nodes to the control network for industrial automation systems. Engineers select this unit for dependable data transfer across process control environments. Moreover, its compact housing supports straightforward integration into existing ESB architectures.

Interface and Connectivity

The module connects to the ESB bus through dedicated backplane connectors for high-speed exchange. Additionally, it provides dual communication ports for redundant network configurations. These ports support node expansion, therefore covering scalable system requirements. Field wiring uses standard connectors that reduce installation time considerably.

Physical Dimensions and Weight

The unit measures 28.6 mm in width, 100 mm in height, and 90 mm in depth. Furthermore, it weighs approximately 150 grams, which reduces panel load. Consequently, technicians mount it easily on standard DIN rails.

Component Count and Energy Storage

The SEC401-11 integrates bus transceiver circuits for reliable signal transmission. It also contains one backup capacitor rated at 220 µF for data retention. Therefore, this energy storage element preserves communication state during brief power interruptions. The board carries roughly 160 discrete components for dependable operation.

Technical Specifications Table

Why This Module Suits Industrial Applications

System integrators value the SEC401-11 for its stable communication and simple setup. Meanwhile, the backup capacitor protects network state from data loss. As a result, system reliability improves while maintenance costs decrease.

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