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Yokogawa AEA4D-00 Terminal Board

Yokogawa AEA4D-00 Terminal Board

The Yokogawa AEA4D-00, also cataloged as the AEA4D-00 Terminal Board, operates as a dedicated hardware component for analog signal interface and distribution within CENTUM DCS networks.

Suffix Breakdown & Model...

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Availability: Low stock: 99 left

SKU: AEA4D-00
Vendor: Yokogawa
Category: Terminal Board
Related Series:

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The Yokogawa AEA4D-00, also cataloged as the AEA4D-00 Terminal Board, operates as a dedicated hardware component for analog signal interface and distribution within CENTUM DCS networks.

Suffix Breakdown & Model Matrix

Suffix Description
-00 Base terminal board configuration without integrated surge protection

Hardware Specifications

Parameter Specification
Model AEA4D-00
Brand Yokogawa
Origin Japan
Weight 1.5 kg
Dimensions Standard FIO System Footprint
Operating Temp -10 deg C to +60 deg C
Power Consumption Not applicable (Passive component)
Channels 16 channels
Connection Type M4 screws
Insulation Resistance 100 MOhm at 500 VDC
Withstanding Voltage 500 VAC for 1 minute

DCS Signal Integration and Connectivity

The AEA4D-00 facilitates signal transmission between field instrumentation and the Field Instrument Input/Output (FIO) system. To ensure high-fidelity signal propagation, the board design utilizes channel-to-channel isolation architecture, minimizing crosstalk between analog loops. The interface supports 4-20 mA HART loop protocol connectivity, allowing for seamless integration of smart instrumentation into the DCS environment. Proper grounding of cable shields at the board termination points is necessary to maintain signal common-mode rejection ratios and protect the input/output circuitry from ground loops.

Frequently Asked Questions (FAQ)

Q: Does the AEA4D-00 include onboard circuitry for surge voltage protection?

A: No, the AEA4D-00 is a standard terminal board; it does not contain surge protection components. If surge protection is required for field-side signals, an alternative model variant, such as the AEA4D-05, should be utilized.

Q: Is this terminal board compatible with redundant I/O module configurations?

A: Yes, the AEA4D-00 is designed to support both single and dual redundant channel configurations within the Yokogawa FIO architecture.

Field Installation Guidelines

  1. Mount the terminal board securely onto the designated DIN-rail or mounting plate within the cabinet, ensuring adequate clearance for field cabling.
  2. Terminate all signal wiring using M4 ring or spade lugs to guarantee secure mechanical and electrical contact.
  3. Ensure cable shields are bonded to the designated cabinet earth bar using low-impedance grounding straps to maintain EMI compliance.
  4. Verify that field signal polarity matches the DCS input/output terminal mapping to prevent potential short-circuiting of the loop power supply.
  5. Inspect all screw terminal connections for proper torque engagement to prevent loosening due to vibration in the industrial environment.