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ESB Bus Coupler Module AIP532-S1 Yokogawa

ESB Bus Coupler Module AIP532-S1 Yokogawa

Product Description

The AIP532-S1 (AIP532) is a high-speed bus coupler module engineered for the Yokogawa Electric Corporation CENTUM VP Distributed Control System (DCS). It functions as the primary hardware interface for extending the Extended...

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SKU: AIP532 S1
Vendor: Yokogawa
Category: Bus Coupler Modules
Related Series:

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Product Description

The AIP532-S1 (AIP532) is a high-speed bus coupler module engineered for the Yokogawa Electric Corporation CENTUM VP Distributed Control System (DCS). It functions as the primary hardware interface for extending the Extended Serial Backplane (ESB) bus from a Field Control Unit (FCU) to a Remote I/O node.

Supporting a 128 Mbps bi-directional communication rate, the AIP532-S1 ensures deterministic, low-latency transmission of process data from field instruments to the controller. This makes it essential for high-availability process environments where signal timing and integrity are critical.

The module features a slim, high-density form factor optimized for cabinet installations. It is designed to tolerate industrial electrical noise and thermal variation, providing a stable physical and logical link within the DCS communication backbone.

Detailed Technical Specifications

Parameter Specification
Primary Function ESB Bus Extension / Coupling
Communication Speed 128 Mbps (Bi-directional)
Interface Protocol Extended Serial Backplane (ESB)
Module Placement Installs in FCU or I/O Node Base
Maximum Transmission Distance 10 meters (Copper ESB cable)
Power Dissipation  2.5 W
Dimensions 6.3 cm × 6.3 cm × 24.1 cm
Net Weight 0.2 kg

Comparison: AIP532-S1 vs. Optical Couplers

The AIP532-S1 is designed for short-range copper ESB extensions within a cabinet or between adjacent racks (≤10 meters).

For longer-distance applications—such as inter-building connections or remote field enclosures—Yokogawa optical bus repeater modules should be used. The AIP532-S1 does not provide native fiber optic conversion capability.

Technical FAQ

Is the AIP532-S1 hot-swappable?
Removing the AIP532-S1 interrupts ESB communication to all downstream I/O nodes. In non-redundant systems, affected I/O points will transition to a fail-safe state. Replacement is recommended during scheduled maintenance or within a redundant bus configuration.

Does this module require a bus terminator?
Yes. Proper ESB bus termination is required at the final node to prevent signal reflection and communication errors. The AIP532-S1 operates with YCB301 ESB cables and compatible termination hardware to maintain signal integrity.