Yokogawa AAM21‑S2 | Universal Analog Input Module Hot Items

Overview
The Yokogawa AAM21‑S2 is a universal analog input module that supports multiple signal types such as voltage, current, thermocouple, and RTD. It is designed for use in Yokogawa’s distributed control systems to provide flexible and accurate input functionality.

General Information
Brand: Yokogawa
Country of Origin: Japan
Model Number: AAM21‑S2
Series: AAM21 Analog I/O Modules
Product Type: Universal Analog Input Module
Application: Industrial process control, signal acquisition from field instruments

Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Low (typical value)
Protection: Input/output isolation, over‑voltage protection, fault detection

Communication & Interface
Input Channels: 8 analog input channels
Supported Signal Types: Voltage (e.g., ±10 V), current (e.g., 4‑20 mA), thermocouple, RTD sensors
Accuracy: ±0.1% of span (typical)
Diagnostics: Channel fault detection, status indication

Environmental
Operating Temperature: –20 °C to +70 °C
Storage Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH (non‑condensing)
Installation: Rack‑mounted in control cabinets or DCS installations

Dimensions & Weight
Dimensions (L × W × H): ~ 105 × 90 × 30 mm 
Weight: Approx. 0.25 kg

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