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A2EE1A-T

ESB Bus Adapter

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Technical specifications for A2EE1A-T

  • Product Model
    A2EE1A-T
  • Product Parameters
    ESB Bus Adapter
  • Tariff Code
    8537101190
  • Country of origin
    Japan
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    3.2x10.6x13cm
  • Manufacturer
    Yokogawa
  • Weight
    0.3 kg
  • Compatible Module
    SB401 ESB Bus Interface Slave Module
  • Transmission Speed
    128 Mbps
  • Max. ESB Bus Transmission Distance
    10 m
  • Max. Connectable Units
    9 units
  • Operating Temperature
    0 °C to +55 °C
  • Storage Temperature
    –25 °C to +70 °C
  • Humidity
    10 % to 90 % RH, non-condensing

Description

The Yokogawa A2EE1A-T is an ESB Bus Adapter as a "Connector unit with terminator for ESB Bus" for use in the CENTUM VP Integrated Production Control System. The A2EE1A-T is used to terminate the ESB Bus at the end of the bus line, ensuring proper signal integrity and reliable communication in the distributed control system architecture.

The Yokogawa A2EE1A-T is connected to the SB401 module to provide ESB Bus termination, as illustrated in the star connection diagram where the combination of SB401 + A2EE1A-T forms the end-point termination for the ESB Bus. The A2EE1A-T supports ESB Bus cable connections with a maximum length of 10 m, enabling flexible placement of ESB Bus Node Units within the system.

Alternative Names

A2EE1A T A2EEIA-T AZEE1A-T A2EE1AT A2EEIAT AZEE1AT

Information

Overview Manuals Application Notes Product Applications Cable Connection Rules

Features:

  • Connector Unit with Terminator for ESB Bus
  • Used with SB401 for ESB Bus Termination
  • Compact Connector Form Factor
  • Compatible with CENTUM VP FIO System
  • Supports Star Connection Topology
The A2EE1A-T is used in conjunction with the SB401 ESB Bus Interface Slave Module to connect the Field Control Unit (FCU) to ESB Bus Node Units via the ESB Bus. The SB401 module functions as a bus interface slave that connects the field control unit and the ESB bus node unit, working in combination with ESB Bus Coupler Modules (EC401, EC402) installed in FIO Node Units. A dual-redundant ESB Bus configuration is achieved by installing two identical SB401 modules.

Two variants of the A2EE1A adapter are available. The A2EE1A–N is a connector unit for ESB Bus used when the bus is branched to the next SB401 module in a daisy-chain configuration. The A2EE1A–T is a connector unit with terminator for ESB Bus used when the ESB Bus is terminated at the end of the bus segment, preventing signal reflections and ensuring signal integrity.

The A2EE1A-T Yokogawa ESB Bus Adapter may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Yokogawa A2EE1A-T ESB Bus Adapter Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The adapter attaches directly to the ESB Bus connector on the SB401 module. The SB401 must be installed in slots B1–B2 of the FIO Node Unit base plate (A2BE2D). In a single configuration, the SB401 is installed in slot B1 and a dummy cover (ADCV01) is installed in slot B2. In a dual-redundant configuration, two identical SB401 modules are installed in the B1–B2 slot pair.
 
The ESB Bus operates at 128 Mbps for I/O module data transmission, with a maximum transmission distance of 10 m per segment. Up to 9 units can be connected on a single ESB Bus segment, though the actual number varies depending on the FCS database configuration.
The A2EE1A-T measures 32.8 mm in width, 129 mm in height, and 130 mm in depth. The unit is included in the total weight of the SB401 module assembly, which is approximately 0.29 kg including the ESB Bus Adapter.
  • Oil & Gas Refineries: Maintains real-time comms for ESD and distillation column monitoring
  • Chemical/Petrochemical: Ensures uninterrupted data flow from hazardous field areas to control rooms
  • Power Generation: Manages synchronized turbine data and boiler control over distributed distances
  • Iron/Steel Mills: Handles automation control loops in harsh electrical environments
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Cable Types: Use Yokogawa YCB301 (standard) or AKB401 (high-performance) Y-shape or straight ESB bus cables.
Connection Port: Connect the terminal plug of the ESB bus cable directly into the receiving port on the front face of the A2EE1A-T.
Termination Rule: Because the A2EE1A-T has a built-in terminator ("-T"), it must only be placed at the end node of your ESB bus chain. Do not connect further outgoing cables from this specific unit.

Technical notes

The Yokogawa A2EE1A-T features a compact connector form factor with a width of 32.8 mm, matching the physical dimensions of other ESB Bus Adapters in the series for consistent installation and mounting. The A2EE1A-T is part of the A2EE1A ESB Bus Adapter series, which provides connector solutions for ESB Bus interfacing in the CENTUM VP FIO and N-IO systems.

FAQs

  • What is the A2EE1A-T?

    +
    The Yokogawa A2EE1A-T is an ESB (Extended Standard Bus) bus connector unit with a built-in terminator.
  • What is the primary function of the A2EE1A-T?

    +
    It physically connects and terminates an SB401 ESB Bus Interface Module to a base plate. The built-in terminator prevents signal reflections and maintains communication integrity at the end of the ESB bus chain.
  • What systems are compatible with the A2EE1A-T?

    +
    It is widely compatible with Yokogawa's Field Control Unit (FCU) systems, FIO node units, and Optical ESB Bus Node units typically found in CENTUM VP environments.
  • What does the -T suffix signify in the model number?

    +
    The "-T" suffix denotes that this specific connector unit features a built-in terminator, making it ideal for the final device or node in the ESB bus daisy chain.
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