AAI841-S00

Overview

AAI841-S00 is a standard 8-channel analog I/O module from Yokogawa, supporting 4–20 mA input and output signals with high accuracy and fast response, ideal for industrial process automation.

Model and Suffix Codes

Model: AAI841 Analog I/O Module
(4 to 20 mA input, 4 to 20 mA output, 8-channel input / 8-channel output, Non-Isolated)

Suffix Codes:

• -S: Standard type

• 0: Always 0

• 0: Basic type

I/O Configuration

• Channels: 8 inputs / 8 outputs (non-isolated)

• Input Signal: 4–20 mA

• Output Signal: 4–20 mA

• Input Allowable 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

• Temperature Drift: ±0.1% per 10 °C

Response & Timing

• Data Update Period: 10 ms

• Input Step Response: 100 ms

• Output Step Response: 40 ms

Power & Current

• Transmitter Power Supply:

• 14.8 V min (at 20 mA)

• 26.4 V max (at 0 mA)

• 2-Wire / 4-Wire Setting: Selectable per channel via setting pin

• Max Current Consumption:

• 310 mA @ 5 V DC

• 500 mA @ 24 V DC

Physical

• Weight: 0.3 kg

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