S9564FA | Yokogawa ESB Bus Connector Unit with Integrated Termination

Product Description

The S9564FA is a specialized hardware interface designed for the Extended Safety Backplane (ESB) bus architecture within Yokogawa’s control systems. This unit provides a dual-function solution by acting as both a physical connection point for bus expansion and a signal terminator. Its primary role is to ensure impedance matching at the end of a bus segment, which suppresses electrical noise and prevents signal reflections that could otherwise compromise data integrity between node units.

Engineered specifically for integration with the ANB10D node unit, the S9564FA facilitates robust communication in distributed control environments. By consolidating the connector and the terminator into a single ruggedized module, it reduces the physical footprint within the cabinet and simplifies the wiring topology for system engineers.

Technical Specifications

• Module Function: Bus connection and active/passive termination

• Primary Compatibility: Optimized for ANB10D Node Units

• Network Protocol: Proprietary ESB Bus (Enterprise System Bus)

• Installation Placement: Typically utilized at the terminus of a bus string or at expansion junctions

• Operational Stability: Enhances signal-to-noise ratio across high-speed backplane communications

• Build Standard: Industrial grade, high-integrity physical housing

• Total Shipping Weight: 1.5 kg (approx. 3.31 lbs)

Implementation FAQ

Why is the integrated terminator necessary for the ANB10D node?Without proper termination provided by a module like the S9564FA, the high-frequency signals on the ESB bus would reflect off the open ends of the cable. This creates interference that can lead to intermittent communication timeouts or total node failure.

Can this unit be used with non-redundant configurations?While specifically designed to support the sophisticated architecture of the ANB10D, it is essential to verify your specific I/O rack configuration (redundant vs. single) to ensure correct bus loading and termination placement.