Yokogawa AAI141-S50/K4A00 Analog Input Module AAI141 HART 16 Channel

Quick Product Insight

• Manufacturer: Yokogawa
• Model: AAI141-S50/K4A00
• Module Type: Analog Input
• Signal: 4 to 20 mA DC
• Channels: 16, non-isolated
• Built for dense signal acquisition.
• Compatible with Yokogawa Centum VP.

Main Benefits

• High channel count in a small footprint.
• HART access for smart transmitters.
• Low power use reduces cabinet heat.
• Stable readings under load change.
• Simple wiring and fast setup.

Signal Handling Performance

• Accepts standard 4–20 mA loops.
• Handles input current up to 27 mA.
• Accuracy within ±16 microamp.
• Update cycle of 10 milliseconds.
• Step response time of 100 milliseconds.

Input Circuit Behavior

• Input resistance adjusts with loop load.
• High resistance when power is off.
• Protects transmitters during restart.
• Stable for long cable distances.

Loop Power and Channel Setup

• Built-in loop supply for field devices.
• Supports two-wire transmitters.
• Supports four-wire transmitters.
• Each channel set by pin selection.
• Current limit improves loop safety.

HART Communication Features

• HART communication enabled.
• Allows remote device checking.
• Supports parameter reading.
• No effect on analog signal speed.

Suffix and Option Tree

• Model Family
  • AAI141 Analog input module
• Suffix Codes
  • S Standard communication with HART
  • 5 No explosion protection
  • 0 Basic configuration
• Option Code
  • K4A00 KS cable interface adapter
  • For AEA4D terminal board

Power and Mechanical Data

• Current draw at 5 V DC: 310 mA.
• Current draw at 24 V DC: 450 mA.
• Lightweight module at 0.2 kg.
• Easy handling during installation.

Wiring and Integration

• Pressure clamp terminal support.
• KS cable connection available.
• MIL connector cable supported.
• Clean layout reduces wiring errors.

Typical Application Areas

• Flow and level measurement.
• Pressure transmitter inputs.
• General process monitoring.
• System expansion projects.

Warranty and Delivery

• 12-month warranty included.
• Secure industrial packaging.
• Worldwide shipping via FedEx.
• UPS and DHL options available.

Professional FAQ

• When should I choose a non-isolated module?
• When loops share a common reference.
• Is this module good for cabinet upgrades?
• Yes. It fits high-density layouts.
• Does HART work on all channels?
• Yes. Each channel supports HART.
• How do I pick between AAI141 and AAI143?
• Choose AAI141 for non-isolated needs.
• Is this module future-ready?
• Yes. It supports smart devices.

Contact Information

• Email: info@oiltechcontrols.com
• WhatsApp: +86 158 8020 0923

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