AAI141-S50/A4S00

Product Overview

The Yokogawa AAI141-S50/A4S00 is a non‑isolated analog input module designed for current signal measurement. It supports 16 channels with 4 to 20 mA input range and offers flexible transmitter configuration with optional pressure clamp terminal block.

Module Details

• Model: AAI141 (Analog Input Module, 16‑channel, non‑isolated, 4 to 20 mA)

• Suffix –S: Standard type

• Suffix 5: With no explosion protection

• Suffix 0: Basic type

• Option /A4S00: With pressure clamp terminal block for analog (Model ATA4S‑00)

Signal Handling

• Number of Input Channels: 16, non‑isolated

• Input Signal: 4 to 20 mA DC

• Allowable Input Current/Voltage: 27 mA

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

• Input Resistance (Power OFF): 500 kΩ or more

• Accuracy: ±16 µA

• Data Update Period: 10 ms

• Step Response Time: 100 ms

• Transmitter Power Supply: 14.8 V or more (at 20 mA), 26.4 V or less (at 0 mA), output current limit 27 mA

• Transmitter Setting: 2‑wire or 4‑wire selectable per channel

• Temperature Drift: ±16 µA / 10 °C

Power Consumption

• Maximum Current Consumption (5 V DC): 310 mA

• Maximum Current Consumption (24 V DC): 450 mA

Dimensions and Weight

• Width: 2.0 cm

• Height: 10.0 cm

• Depth: 8.0 cm

• Weight: 0.2 kg

---