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Yokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output ModuleYokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output ModuleYokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output Module
Yokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output Module
Yokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output Module
Yokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output Module

Yokogawa AAI543-H50 / K4A00 16-Channel Isolated Analog Output Module


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PRODUCT SKU : AAI543-H50/K4A00

PRODUCT TYPE : Analog Output Module

PRODUCT VENDOR : Yokogawa


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Product Description

The AAI543-H50 / K4A00 analog output module from Yokogawa is designed for distributed control systems requiring precise current signal transmission. This model provides 16 isolated output channels operating in the 4–20 mA DC range, ensuring stable and accurate control of actuators, valves, and other field devices. The H50 suffix indicates HART communication capability, redundancy support, and basic hardware type. The K4A00 option adds compatibility with the KS cable interface adapter (Model: ATK4A-00), enabling connection to the AEA4D terminal board.

Technical Specifications

  • Manufacturer: Yokogawa

  • Model Number: AAI543-H50 / K4A00

  • Type: Isolated Analog Output Module

  • Channels: 16 isolated output channels

  • Output Signal Range: 4–20 mA DC

  • Digital Communication: HART protocol supported

  • Redundancy: Standard switch-over response supported

  • Withstanding Voltage: 1500 V AC between output and system (1 minute)

  • Allowable Load Resistance: 0–750 Ω

  • Circuit-Open Detection Threshold: <0.65 mA

  • Accuracy: ±48 µA

  • Data Update Period: 10 ms

  • Temperature Drift: ±16 µA per 10 °C change

  • Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)

  • External Connections: KS cable interface adapter (ATK4A-00), pressure clamp terminal, MIL connector cable

  • Dimensions (W × H × D): 170 × 120 × 45 mm

  • Weight: 0.4 kg (Shipping weight: 1.5 kg)

Suffix Code Breakdown

  • H: HART communication support

  • 5: Standard switch-over redundancy, no explosion protection

  • 0: Basic hardware type

  • K4A00: KS cable interface adapter option for AEA4D terminal board

Key Features

  • Isolated Channels: Ensures reliable signal integrity

  • HART Communication: Enables diagnostics and remote configuration

  • Redundancy Support: Fail-safe operation in critical systems

  • Flexible Connectivity: KS cable adapter option for terminal board integration

  • High Accuracy: ±48 µA precision for stable output signals

Application Scenarios

  • Chemical and petrochemical process control

  • Power generation and turbine monitoring

  • Water treatment and distribution automation

  • Industrial machinery requiring precise analog actuation

FAQ

Q: How many channels does the AAI543-H50 / K4A00 provide?  A: It supports 16 isolated analog output channels.

Q: What does the suffix “K4A00” indicate?  A: It specifies compatibility with the KS cable interface adapter (ATK4A-00) for connecting to the AEA4D terminal board.

Q: Is redundancy supported?  A: Yes, the module includes standard switch-over response in redundant setups.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




  • 5 stars: 4 (80%)
  • 4 stars: 1 (20%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
Julian

Full HART protocol support makes remote diagnostics so much easier. We can calibrate and monitor our field valves without leaving the control room. Professional-grade module and great service.

S
Simon

Solid hardware. Tested the circuit-open detection and it triggers accurately below 0.65 mA as specified. Only 4 stars because the technical manual wasn't in the box, but the seller emailed the PDF immediately upon request.

L
Liam

Impressed by the delivery speed. Needed a replacement AAI543 urgently to restore a redundant pair, and it arrived at our site in Singapore within 3 days. Well-packed and brand new condition.

G
Grant

Installed these in our water treatment plant last week. The 1500V AC isolation provides great peace of mind against system noise. Signals are incredibly stable across all 16 channels. Highly recommend for critical control loops.

A
Aaron

The K4A00 option was exactly what we needed for our AEA4D terminal board setup. The connection was seamless using the KS cable interface. Excellent stock availability from this supplier when others were backordered.

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