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AEA4D-00 Yokogawa Analog Terminal Board | New & Original Stock

AEA4D-00 Yokogawa Analog Terminal Board | New & Original Stock

Configured for high-density field signal termination in DCS architectures, the Yokogawa AEA4D-00 (AEA4D-00) Analog Terminal Board provides direct physical electrical execution for 16-channel signal interfacing within the FIO system.

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Availability: Low stock: 99 left

SKU: AER4D-00
Vendor: Yokogawa
Category: Analog Terminal Board
Related Series:

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Configured for high-density field signal termination in DCS architectures, the Yokogawa AEA4D-00 (AEA4D-00) Analog Terminal Board provides direct physical electrical execution for 16-channel signal interfacing within the FIO system.

Suffix Breakdown & Model Matrix

  • AEA4D: Base model designation for analog terminal board assemblies.
  • -00: Standard configuration version without integrated surge protection.

Hardware Specifications

Parameter Specification
Model AEA4D-00
Brand Yokogawa
Origin Not Specified
Weight 1.5 kg
Dimensions Not Specified
Operating Temp Not Specified
Power Consumption Passive (N/A)
Channel Capacity 16 channels (8 points x 2)

FOUNDATION Fieldbus and Channel Isolation

The AEA4D-00 acts as a passive interconnection bridge between field devices and the Field Instrument Input/Output (FIO) modules. It maintains signal integrity through strict adherence to dielectric specifications, requiring an insulation resistance of 100 M ohm or greater at 500 VDC. The board supports single or dual redundant wiring topologies, allowing for configurable signal path flexibility to meet high-availability requirements in process control networks. Its construction ensures low-impedance connections for analog loops, preserving the accuracy of 4-20 mA HART or standard instrumentation signals during transmission to the controller.

Frequently Asked Questions

Q: Can the AEA4D-00 be upgraded to provide surge protection if field requirements change?

A: No, the AEA4D-00 is a hardware-specific model without integrated surge components; upgrading to protection requires replacing the unit with a variant designated for surge suppression, such as the AEA4D-03.

Q: What is the maximum torque permitted for the M4 screw terminals?

A: To prevent damage to the terminal structure and ensure a reliable mechanical contact, terminal screws must be tightened according to standard M4 torque specifications; overtightening may compromise the integrity of the board-to-wire interface.

Field Installation Guidelines

  • Secure the board to the cabinet mounting plate using the provided hardware; ensure the board's chassis is correctly bonded to the cabinet's protective earth bus to maintain dielectric integrity.
  • Use ferrules on all field wires terminated under M4 screws to prevent conductor fraying and ensure a consistent contact surface area.
  • Maintain adequate clearance from high-voltage cables to prevent inductive coupling into the analog signal lines, which can manifest as process variable jitter.
  • Regularly inspect terminal screws for loosening caused by thermal cycling in the control cabinet environment.