
The Yokogawa AAM11 S2 Current/Voltage Input Module is an advanced and high-performance module designed for use in Yokogawa's Centum and ProSafe-RS distributed control systems. This versatile module is engineered to handle a wide range of current and voltage input signals, providing exceptional precision, reliability, and ease of integration in industrial automation environments. It allows real-time monitoring and control of various field devices, including sensors, transmitters, and other instrumentation that output current or voltage signals.
Technical Specifications

Input Types Supported:
Current Input: 4-20 mA
Voltage Input: 0-10 V, ±10 V
Input Range:
Current Input: 4-20 mA
Voltage Input: 0-10 V, ±10 V
Input Resistance:
Current: Typically < 50 Ω
Voltage: Typically > 1 MΩ
Power Supply:24 V DC
Accuracy:±0.1% of the full-scale input range for both current and voltage signals
Resolution:16-bit (providing high precision for measurements)
Temperature Range:-20°C to +60°C (Operating)
Signal Conversion:
Analog-to-Digital Conversion (ADC): 16-bit resolution
Key Features
- Versatile Input Signal Types:
The AAM11 S2 module supports both current (4-20 mA) and voltage (0-10 V, ±10 V) input signals, making it adaptable to a wide variety of field devices and sensors used in industrial applications.
- High Precision and Accuracy:
Designed for high-accuracy measurement, the AAM11 S2 provides precise and stable input data for controlling and monitoring industrial processes. It supports high-resolution analog-to-digital conversion, ensuring that even small changes in signal levels are accurately captured.
- Wide Operating Range:
The module offers a wide input range, enabling it to handle different types of input signals across various voltage and current ranges. It is capable of measuring inputs from 0-10 V or 4-20 mA, and ±10 V signals with high fidelity.
- Real-Time Monitoring:
The AAM11 S2 provides real-time feedback for systems that require continuous monitoring of critical parameters, including temperature, pressure, flow, and level, by processing analog input data instantaneously and transmitting it to the control system.
- Built-In Diagnostics and Self-Calibration:
The module features built-in diagnostics that continuously monitor its health and performance. This includes self-calibration functionality, which ensures that the module maintains its accuracy over time and reduces the risk of system downtime.
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