Product Details
Product Description
The AAI141-H50/K4A00 (Part Number AAI141-H50/K4A00) is a high-density analog input interface designed for the Yokogawa CENTUM VP distributed control system. This module supports up to 16 channels of 4 to 20 mA DC signals, providing a versatile solution for large-scale industrial data acquisition. Engineered for precision, it effectively handles both 2-wire and 4-wire transmitter configurations, ensuring seamless integration with a wide variety of field instrumentation.
Featuring integrated HART digital communication (denoted by the -H suffix), the AAI141-H50/K4A00 allows for the transmission of device diagnostics and secondary process variables alongside the primary analog signal. This specific assembly includes the ATK4A-00 KS Cable Interface Adapter, which optimizes cabinet space and simplifies wiring through pre-fabricated multi-core cable connections. The module's rapid update cycle and low thermal drift make it an essential component for high-speed, safety-critical process monitoring.
Technical Specifications
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Input Channels 16 channels, non-isolated, 4 to 20 mA DC
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Digital Communication HART Protocol support for smart device management
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Data Refresh Rate 10 ms internal update period
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Signal Accuracy ±16 μA (at 23°C ± 2°C)
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Input Impedance 250 Ω (Note: 400 Ω to 1000 Ω is typical for total loop impedance including field wiring)
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Step Response 100 ms typical
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Transmitter Power Supply 14.8 V to 26.4 V DC
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Input Protection 27 mA current limit per channel
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Thermal Stability Temperature drift of ±16 μA per 10°C change
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Power Requirements 310 mA at 5 V DC and 450 mA at 24 V DC
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Connection Interface KS Cable Interface Adapter (ATK4A-00)
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Operating Temperature -20°C to 70°C
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Physical Profile 0.2 kg lightweight compact form factor
Configuration and Suffix Details
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AAI141 Base 16-channel current input model
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-H Digital communication enabled via HART protocol
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5 Standard design without explosion-proof certification
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0 Basic hardware version
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/K4A00 Integrated assembly with the ATK4A-00 KS cable adapter
Application Scenarios
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High-density monitoring of pressure, temperature, and flow transmitters in refineries.
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Real-time data acquisition for fast-acting control loops in power generation.
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Integration of HART-enabled smart instruments for predictive maintenance and asset management.
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Optimized wiring installations using KS multi-core cables to reduce panel footprint.
Technical FAQ
Can this module power 2-wire field transmitters?
Yes, the AAI141-H50/K4A00 provides a built-in transmitter power supply (14.8 to 26.4 V DC), allowing it to directly power 2-wire instruments without an external power source.
What is the benefit of the /K4A00 interface?
The /K4A00 option replaces standard terminal blocks with a KS Cable Interface. This allows the module to connect to terminal boards via high-density cables, significantly reducing the risk of manual wiring errors and shortening the commissioning timeline.
Is there isolation between the 16 channels?
The AAI141-H50/K4A00 is a non-isolated module (common ground). For applications requiring channel-to-channel isolation to prevent ground loops, the AAI135 series is the recommended alternative.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.