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Yokogawa AED5D-00 Terminal Board

Yokogawa AED5D-00 Terminal Board

Configured for analog signal field termination in CENTUM VP platforms, the Yokogawa AED5D-00 (AED5D-00 Terminal Board) provides direct physical/electrical execution. This 16-channel component serves as the primary AED5D terminal board...

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Availability: In stock

SKU: AED5D-05
Vendor: Yokogawa
Category: Terminal Board
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Configured for analog signal field termination in CENTUM VP platforms, the Yokogawa AED5D-00 (AED5D-00 Terminal Board) provides direct physical/electrical execution. This 16-channel component serves as the primary AED5D terminal board utilized to execute signal distribution and transient voltage suppression across process control network platforms.

Hardware Specifications

Parameter Specification
Model AED5D-00
Brand Yokogawa
Origin Japan
Weight 1.5 kg
Dimensions 482.6 mm x 465.1 mm x 440 mm
Operating Temp Standard industrial ambient
Power Consumption Subject to loop load (Rated 4 A, 24 VDC)
Input Channels 16 channels
Insulation Resistance 100 MOhm at 500 VDC

DCS Process Control and Surge Protection

The AED5D-00 integrates a built-in surge absorber to mitigate the impact of transient voltage spikes on sensitive field instrumentation loops. The board facilitates termination via M4 screw connectors, ensuring mechanical stability for long-term field wiring. Designed for standard 19-inch rack mounting, the unit maintains signal integrity by providing a low-resistance path to the cabinet common, while meeting JEM1459 compliance for dimensional and electrical specifications. The connection to the control system is managed via the KS1 cable interface, ensuring deterministic signal path continuity.

Frequently Asked Questions

Q: Is the AED5D-00 compatible with hazardous area (Ex i) applications?

A: No. The AED5D-00 is specified for non-explosion-proof environments. Do not install this board in areas requiring intrinsic safety barriers without external protection.

Q: How should the surge absorber be verified after a localized power surge?

A: Following a significant surge event, inspect the surge absorber component for signs of thermal damage or discoloration. Measure the insulation resistance between the signal terminals and the chassis ground to confirm the board remains within the specified 100 MOhm limit.

Field Installation Guidelines

  • Mounting: Secure the board to the 19-inch rack rails using the provided mounting holes. Ensure the board is grounded to the cabinet frame to complete the path for the surge protection circuit.
  • Wiring: Use M4 ring or spade lugs for field wire termination. Tighten screws to the recommended torque to prevent contact resistance, which can introduce measurement errors in analog loops.
  • Cable Interface: Connect the KS1 interface cable firmly to the board header. Ensure the locking mechanisms are fully engaged to prevent accidental disconnection due to rack vibration.
  • Grounding: Verify that the terminal board chassis has a low-impedance connection to the cabinet grounding busbar to ensure the effectiveness of the integrated surge absorber.