
The Yokogawa AAI835-S50 S3 Analog I/O Module is part of the Yokogawa CENTUM VP and ProSafe-RS distributed control systems. It offers advanced signal processing capabilities for analog input and output in a variety of industrial applications. This module provides seamless integration into control systems, offering high precision, reliability, and excellent performance in harsh industrial environments. Whether used in oil & gas, power generation, chemical processing, or water treatment, the AAI835-S50 S3 is engineered to meet the demands of critical processes that require accurate and real-time monitoring.
Technical Specifications

Manufacturer : Yokogawa
Product No: AAI835-S50
Product Type: Analog I/O Modules
Number of I/O channels: 4-channel input/4-channel output, isolated channels
I/O signal: Input= 4 to 20 mA, Output= 4 to 20 mA
Maximum current consumption: 360 mA (5 V DC), 450 mA (24 V DC)
External Connection = Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)
Model: AAI835-S50 = Analog I/O Module (4 to 20 mA, 4-channel input/4-channel output, Isolated channels)
-S = Standard type
5 = With no explosion protection
0 = Basic type
Applications
The Yokogawa AAI835-S50 S3 Analog I/O Module is suitable for various industries requiring accurate and efficient analog data acquisition and control. Its flexible signal compatibility, high performance, and robust design make it an ideal solution for:
1.Process Control Systems
Used to monitor and control temperature, pressure, flow, and level in critical applications.
2.Power Generation Plants
Ensures reliable data acquisition and control of boilers, turbines, and generators.
3.Oil & Gas Industry
Monitors pumps, flow meters, and sensors in upstream and downstream operations.
4.Chemical and Petrochemical Processing
Used for real-time monitoring of various chemicals, including temperature and pressure control in reactors.
5.Water and Wastewater Treatment
Monitors critical process variables such as flow, pH, chemical dosing, and pressure.
6.Building Automation
Controls HVAC systems, energy management, and security systems in commercial buildings.
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