Yokogawa AAI841-H00/K4A00 8-Channel Analog I/O Module

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Yokogawa AAI841-H00/K4A00 - Versatile 8-Channel Analog I/O Module for Industrial Control Systems

The Yokogawa AAI841-H00/K4A00 is a high-performance 8-channel analog input/output module designed to deliver flexible signal processing capabilities for demanding industrial automation environments. This non-isolated I/O module combines input and output functionality in a single compact unit, making it an ideal solution for distributed control systems (DCS), SCADA networks, and process automation applications where space efficiency and versatility are paramount.

Core Technical Specifications

Model Number: AAI841-H00/K4A00
Channel Configuration: 8 channels (combined analog input/output)
Isolation Type: Non-isolated design for cost-effective deployment
Manufacturer: Yokogawa Electric Corporation
Product Category: Analog I/O Module
Country of Origin: Japan
Weight: 0.3 kg
HS Code: 8537109090
SKU: AAI841-H00/K4A00

Advanced Features & Performance Benefits

Dual-Function Capability: Configurable channels support both analog input and output operations, reducing module count and system complexity
High Channel Density: Eight channels in a single module maximize I/O density in control cabinets and minimize footprint
Precision Signal Processing: Accurate analog conversion ensures reliable measurement and control of process variables
Seamless Integration: Fully compatible with Yokogawa CENTUM VP, CENTUM CS 3000, and ProSafe-RS platforms
Robust Construction: Industrial-grade components withstand harsh operating conditions including temperature fluctuations, vibration, and electrical interference
Simplified Wiring: Non-isolated design reduces installation complexity for applications where galvanic isolation is not required

Industrial Application Scenarios

The AAI841-H00/K4A00 excels across diverse industrial sectors:

Process Industries: In chemical manufacturing, refineries, and pharmaceutical production, this module handles critical analog signals from temperature transmitters, pressure sensors, flow meters, and control valves. Its dual I/O capability allows simultaneous monitoring of process variables and control of actuators within the same control loop.

Energy & Power Generation: Power plants and renewable energy facilities utilize the AAI841 for monitoring turbine parameters, controlling fuel systems, and managing auxiliary equipment. The module's reliability ensures continuous operation in mission-critical power generation environments.

Water & Wastewater Treatment: Treatment facilities deploy this module to monitor pH levels, dissolved oxygen, turbidity, and flow rates while controlling chemical dosing pumps and valve actuators. The 8-channel design consolidates multiple measurement and control points.

Manufacturing & Assembly: Discrete manufacturing operations leverage the AAI841 for machine control, quality monitoring, and environmental control systems. Its compact form factor fits seamlessly into space-constrained control panels.

System Integration & Solution Architecture

When integrated into a Yokogawa control architecture, the AAI841-H00/K4A00 serves as a critical interface between field instrumentation and the control processor. The module connects to the system bus via standard backplane connections, enabling high-speed data exchange with CPU modules and operator interfaces.

For applications requiring signal isolation, pair this module with external signal conditioners or consider Yokogawa's isolated I/O alternatives. The non-isolated design makes it particularly cost-effective for applications where all field devices share a common ground reference, such as localized control panels or skid-mounted systems.

Configuration and diagnostics are performed through Yokogawa's engineering tools, which provide intuitive graphical interfaces for channel assignment, scaling, alarm configuration, and real-time monitoring. The module supports hot-swapping in redundant configurations, minimizing downtime during maintenance activities.

Why Partner with Industrial Control Hub?

Authentic Yokogawa OEM components with complete traceability and warranty support
Worldwide shipping infrastructure supporting multi-site industrial operations
Expert technical consultation from automation specialists with deep Yokogawa platform knowledge
Competitive pricing with volume discounts for system integrators and OEMs
Expedited order processing and reliable logistics partnerships
Comprehensive product documentation and technical resources

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Building a complete control system? Our technical team can help you select the optimal combination of I/O modules, communication interfaces, and power supplies for your specific application requirements. Contact us for personalized system design assistance.

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Product Description

Yokogawa AAI841-H00/K4A00 - Versatile 8-Channel Analog I/O Module for Industrial Control Systems

The Yokogawa AAI841-H00/K4A00 is a high-performance 8-channel analog input/output module designed to deliver flexible signal processing capabilities for demanding industrial automation environments. This non-isolated I/O module combines input and output functionality in a single compact unit, making it an ideal solution for distributed control systems (DCS), SCADA networks, and process automation applications where space efficiency and versatility are paramount.