Precision and Reliability: The AAI141-H50/K4A00 offers high accuracy (±16 μA for current inputs) and low drift, ensuring stable performance in fluctuating temperatures (±16 μA/10°C).
HART-Enabled Intelligence: Digital HART communication allows remote configuration, diagnostics, and firmware updates, reducing downtime and maintenance costs.
Flexible Connectivity: Supports multiple wiring options (terminals, KS cables, MIL connectors) for easy integration into diverse industrial setups.
Dual Redundancy Support: Compatible with dual redundant configurations, enhancing system availability in critical applications.
Compact Design: Lightweight (0.2 kg) and space-efficient, suitable for dense control panels.
TheYokogawa AAI141-H50/K4A00 is a high-performance analog input module designed for industrial automation systems, specifically engineered to monitor and transmit precise analog signals in complex control environments. As part of Yokogawa’s advanced portfolio, the AAI141-H50/K4A00 supports 16 non-isolated input channels, accepting 4–20 mA DC current or 1–5 V DC voltage signals from 2-wire/4-wire transmitters. Its integrated HART communication (via the -H suffix) enables digital data exchange, enhancing diagnostic capabilities and remote configuration. The module is optimized for reliability, with a compact design (0.2 kg) and compatibility with multiple connection options (pressure clamp terminals, KS cables, MIL connectors). Ideal for applications requiring real-time data acquisition and control, the AAI141-H50/K4A00 ensures seamless integration into Yokogawa’s Centum VP DCS and other industrial control systems.
2. Product Parameters
Parameter
Specification
Input Signal
4–20 mA DC (current), 1–5 V DC (voltage)
Number of Channels
16 (non-isolated)
Accuracy
±16 μA (current), ±4 mV (voltage)
Data Update Period
10 ms
Hart Communication
Supported (R3.02+ firmware)
Transmitter Power Supply
14.8–26.4 V DC (27 mA max output)
Input Resistance (Power On)
400–1000 Ω (current), ≥1 MΩ (voltage)
Drift (Temperature)
±16 μA/10°C (current), ±4 mV/10°C (voltage)
Current Consumption
310 mA (5 V DC), 450 mA (24 V DC)
Explosion Protection
None (suffix code “5”)
Connection Options
Pressure clamp terminals, KS cable (ATK4A-00 adapter), MIL connectors
AAI141-H50/K4A00
3. Advantages and Characteristics
Precision and Reliability: The AAI141-H50/K4A00 offers high accuracy (±16 μA for current inputs) and low drift, ensuring stable performance in fluctuating temperatures (±16 μA/10°C).
HART-Enabled Intelligence: Digital HART communication allows remote configuration, diagnostics, and firmware updates, reducing downtime and maintenance costs.
Flexible Connectivity: Supports multiple wiring options (terminals, KS cables, MIL connectors) for easy integration into diverse industrial setups.
Dual Redundancy Support: Compatible with dual redundant configurations, enhancing system availability in critical applications.
Compact Design: Lightweight (0.2 kg) and space-efficient, suitable for dense control panels.
4. Application Areas and Cases
Industries: Manufacturing, energy, chemical processing, water treatment, and oil & gas. Scenarios: Monitoring pressure/temperature transmitters, flow meters, and process sensors in DCS systems. Case Study: A chemical plant in Southeast Asia deployed the AAI141-H50/K4A00 to monitor 16 temperature sensors in a reactor. The module’s HART functionality enabled real-time troubleshooting of sensor anomalies, reducing unplanned downtime by 20% and improving process efficiency.
5. Competitor Comparison
Compared to similar analog input modules, the AAI141-H50/K4A00 stands out with:
Higher Channel Density: 16 channels (vs. 8–12 channels in 竞品).
Integrated HART Support: Built-in digital communication (eliminating need for external adapters).
Wide Voltage Range: Transmitter power supply (14.8–26.4 V DC) accommodates diverse field devices.
Lower Drift: Industry-leading temperature stability (±16 μA/10°C vs. ±20–25 μA/10°C in comparable models).
AAI141-H50/K4A00
6. Selection Recommendations
Compatibility: Ensure compatibility with your DCS (e.g., Yokogawa Centum VP) and HART-enabled devices.
Environment: Verify temperature range (-20°C to 70°C with G3 option) and explosion protection requirements (non-isolated design; use barriers for hazardous zones).
Connection: Choose between terminal blocks (ATA4S-00), KS cables (ATK4A-00), or MIL connectors (ACCC01) based on cabling standards.
Budget: Balance channel density and HART features against cost (competitive pricing vs. single-function modules).
7. Precautions
Wiring: Separate analog/digital cables and use shielded wires to minimize noise. Ground shielding layers properly.
Power Supply: Ensure transmitter voltage (14.8 V min. at 20 mA) meets field device requirements; account for wiring voltage drop.
Maintenance: Regularly inspect connectors for corrosion; replace faulty modules immediately to avoid system-wide failures.
声明: Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for AAI141-H50/K4A00 and other automation spare parts. We provide sales, technical support, and a 1-year warranty. Visit our website www.xydcontrol.com or contact us for customized solutions.
We've got you covered
We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
Continue Searching
We're here when you need us
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components
Full 12-month warranty on all components
