Overview
The Yokogawa AAI141-H00 S2 Analog Input Module is a high-performance input unit designed for reliable signal acquisition in distributed control systems (DCS). It converts analog process signals such as temperature, pressure, and flow into digital data for accurate monitoring and control. Moreover, the AAI141-H00 S2 provides exceptional noise immunity and high-resolution input conversion, ensuring precise process measurement across a wide range of industrial applications.
This module is part of Yokogawa’s proven CENTUM VP and CS3000 systems, recognized globally for stability, scalability, and operational excellence.
Technical Specifications
| Parameter |
Description |
| Model |
AAI141-H00 S2 |
| Product Type |
Analog Input Module |
| Channels |
16 channels |
| Signal Type |
Analog (current/voltage) |
| Input Range |
4–20 mA DC, 1–5 V DC |
| Resolution |
12 bits |
| Accuracy |
±0.1% of span |
| Input Impedance |
250 Ω (current), 1 MΩ (voltage) |
| Isolation |
Channel-to-channel and channel-to-ground isolation |
| Power Supply |
From system bus (24 V DC nominal) |
| Operating Temperature |
0°C to 55°C |
| Storage Temperature |
–25°C to 70°C |
| Mounting |
Standard I/O base |
| Dimensions |
110 mm (H) × 30 mm (W) × 130 mm (D) |
| Weight |
Approx. 0.25 kg |
FAQ
Q1: What systems are compatible with the AAI141-H00 S2 module?
A1: It is fully compatible with Yokogawa CENTUM VP and CS3000 control systems.
Q2: How many input channels does this module have?
A2: The AAI141-H00 S2 provides 16 analog input channels.
Q3: Can it handle both voltage and current signals?
A3: Yes, it supports 4–20 mA current and 1–5 V voltage inputs.
Q4: Does it support hot-swapping?
A4: Yes, the module can be replaced while the system remains operational.
Q5: What industries commonly use this module?
A5: It is ideal for oil & gas, chemical, and power generation industries requiring accurate process control.