AAI141-H50/K4A00

Overview

AAI141-H50/K4A00 is a Yokogawa 16-channel non-isolated analog input module supporting 4–20 mA signals and HART communication, ideal for high-density process input in automation systems.

Suffix & Option Codes

• H: With digital communication (HART protocol)

• 5: No explosion protection

• 0: Basic type

• /K4A00: Includes KS Cable Interface Adapter

Input Specifications

• Channels: 16 (non-isolated)

• Input Signal: 4 to 20 mA DC

• Allowable Input Current: Max 27 mA

• Input Resistance:

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

• Power OFF: ≥ 500 kΩ

• Transmitter Power Supply:

• ≥14.8 V at 20 mA

• ≤26.4 V at 0 mA (Limit: 27 mA)

• 2-wire / 4-wire Support: Selectable per channel via setting pin

Performance

• Accuracy: ±16 μA

• Data Update Period: 10 ms

• Step Response Time: 100 ms

• Temperature Drift: ±16 μA per 10 °C

---