Yokogawa AAI135-S50 Analog Input Module Quality Selection 30-Day Returns！

Brand：Yokogawa Electric

Item No.：Yokogawa AAI135-S50

Product origin：Japan

Dimensions:130 x 107.5 x 32.8 mm

Weight:0.3 kg

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Product Introduction：

Overview

The Yokogawa AAI135-S50 is an 8-channel isolated analog input module designed for 4–20 mA current-input signals from field transmitters. It is part of Yokogawa’s I/O module family for DCS and automation systems.

General Information

Model / Type: AAI135-S50

Manufacturer: Yokogawa

Country of Origin: Japan

Product Category: Analog Input Module – 8-channel, 4–20 mA, isolated channels

Intended Use: Process automation I/O racks, field device signal acquisition

Electrical & Functional Specifications

Number of Input Channels: 8 isolated channels

Input Signal: 4 to 20 mA DC

Allowable Input Current (Max): ~25 mA

Input Resistance (Power ON): Approx. 270 Ω at 20 mA to ~350 Ω at 4 mA

Input Resistance (Power OFF): ≥ 500 kΩ

Accuracy: ±16 µA (typical)

Data Update Period: ~10 ms

Transmitter Power Supply (2-wire type): Minimum ~19.0 V at 20 mA; Maximum ~25.5 V at 0 mA

Temperature Drift: ±16 µA per 10 °C

Maximum Current Consumption: Approx. 360 mA @ 5 V DC; Approx. 450 mA @ 24 V DC

Withstanding Voltage: 500 V AC between inputs and system, and between input channels for 1 minute

Environmental Conditions

Operating Temperature Range: −20 °C to +70 °C

Storage Temperature Range: −40 °C to +85 °C

Humidity: Up to 95% RH, non-condensing

Mounting / Connection: Pressure clamp terminal block or optional KS cable interface adapter

Dimensions & Weight

Dimension: 130 x 107.5 x 32.8 mm

Weight: 0.3 kg

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