Description
Product Description
Overview
The Yokogawa AAl135-S03 is a high-precision analog input module designed for industrial measurement and control applications. It provides reliable, isolated signal acquisition for multiple sensors, supporting current inputs with consistent accuracy and minimal temperature drift. Its compact design and robust electrical protection make it suitable for integration into modern automation systems.
Technical Specifications
Module Features
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Model: AAl135-S03
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Number of Channels: 8 isolated input channels
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Input Signal: 4 to 20 mA current
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Maximum Allowable Input Current: 25 mA
Electrical Characteristics
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Withstand Voltage:
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Input Resistance:
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Accuracy: ±16 microampere
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Data Update Period: 10 milliseconds
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Transmitter Power Supply: 15.0 to 29.3 VDC (dependent on input current)
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Temperature Drift: ±16 microampere per 10 degrees Celsius
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Power Consumption: 360 mA at 5 VDC, 450 mA at 24 VDC
Mechanical and Connectivity
Applications
Ideal for process monitoring, industrial automation, and sensor signal acquisition in environments requiring high accuracy and channel isolation. Compatible with Yokogawa control systems and modular instrumentation platforms.
FAQ
Q: Can this module support sensors with higher currents than 25 mA?
A: No, the maximum allowable input current is 25 mA to ensure safety and accuracy.
Q: What is the update speed for measurements?
A: The module updates data every 10 milliseconds, suitable for real-time monitoring applications.
Q: How does this module differ from similar Yokogawa models like AAl135-S01?
A: The S03 version provides 8 fully isolated channels and enhanced temperature stability compared to earlier S01 modules.
