AAI841-H00/K4A00

Overview

AAI841-H00/K4A00 is an 8-channel analog input and 8-channel analog output module from Yokogawa, supporting 4–20 mA signals with HART communication. It is designed for non-isolated applications requiring high accuracy and reliability.

Model and Suffix Codes

Model: AAI841 – Analog I/O Module (4–20 mA, 8 In / 8 Out, Non-Isolated)
Suffix Codes:

• -H: With digital communication (HART protocol)

• 0: Always 0

• 0: Basic type

Option Codes:

• /K4A00:With KS Cable Interface Adapter [Model : ATK4A-00] 

I/O Configuration

• Channels: 8 inputs / 8 outputs, non-isolated

• Input Signal: 4–20 mA

• Output Signal: 4–20 mA

• Allowable Input Current: Up to 25 mA

• Output Load Resistance: 0–750 Ω

Electrical Performance

• Input Resistance (Power ON): 400 Ω (at 20 mA) to 1000 Ω (at 4 mA)

• Input Resistance (Power OFF): ≥500 kΩ

• Circuit-Open Detection (Output): < 0.65 mA

• Accuracy:

• Input: ±16 µA

• Output: ±48 µA

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