Excellent PLC
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Product Overview
The Yokogawa AAI835-H03/K4A00 is a high-performance analog input/output (I/O) module designed for the CENTUM VP Distributed Control System (DCS). Combining precise analog input and output capabilities in a single compact module, it supports multiple signal types, ensuring flexible and reliable data acquisition and control. This module is engineered to deliver stable operation, advanced diagnostics, and seamless integration, making it ideal for complex industrial automation systems.
Key Features
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Integrated analog input and output channels in one module
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Supports 8 analog input and 8 analog output channels
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Compatible with multiple input types: 4–20 mA, 1–5 V, thermocouples
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Analog output: 4–20 mA DC current signals
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High resolution: 16-bit A/D conversion for inputs, 12-bit D/A conversion for outputs
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Comprehensive diagnostics for input, output, and module health monitoring
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Hot-swappable design for maintenance without system interruption
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Compact and modular for efficient rack space utilization
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Full compatibility with Yokogawa CENTUM VP system
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog Input/Output Module |
| Model Number | AAI835-H03/K4A00 |
| Manufacturer | Yokogawa Electric Corporation |
| Input Channels | 8 analog input channels |
| Output Channels | 8 analog output channels |
| Supported Input Signals | 4–20 mA, 1–5 V, Thermocouple |
| Output Signal Type | 4–20 mA DC current output |
| Input Resolution | 16-bit |
| Output Resolution | 12-bit |
| Input Accuracy | ±0.1% of span |
| Output Accuracy | ±0.1% of span |
| Input Impedance | >250 Ω (current), >10 kΩ (voltage) |
| Isolation | Channel-to-channel and channel-to-ground |
| Diagnostics | Input/output status, fault detection, module health |
| Hot Swappable | Yes |
| Mounting | DIN rail or I/O baseplate |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
| Certifications | CE, UL, CSA, RoHS |
Industry Applications
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Chemical and Petrochemical Processing
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Power Generation and Utilities
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Oil and Gas Industry
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Pharmaceutical Manufacturing
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Food and Beverage Processing
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Water and Wastewater Treatment
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Pulp and Paper Industry
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Metals and Mining Automation
Product Advantages
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Combines input and output functions to reduce hardware footprint
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High-precision conversion ensures accurate process control
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Advanced diagnostics facilitate proactive maintenance and system reliability
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Hot-swappable design minimizes downtime during module replacement
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Compact form factor for efficient rack space use
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Seamless integration with Yokogawa CENTUM VP DCS
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Robust against electrical noise and harsh industrial environments
Frequently Asked Questions (FAQ)
1. How many input and output channels are provided by the AAI835-H03/K4A00?
It provides 8 analog input and 8 analog output channels.
2. What types of input signals are supported?
Supports 4–20 mA, 1–5 V, and thermocouple inputs.
3. What is the output signal type?
4–20 mA DC current output.
4. Is the module hot-swappable?
Yes, it supports hot swapping.
5. What are the resolutions for input and output signals?
Input resolution is 16-bit; output resolution is 12-bit.
6. What diagnostics does the module offer?
Includes input/output status, fault detection, and module health monitoring.
7. What are the module’s physical dimensions?
107.5mm × 32.8mm × 130 mm.
8. What is the operating temperature range?
0°C to +60°C.
9. What certifications does the module have?
CE, UL, CSA, and RoHS certified.
10. What mounting options are available?
Supports DIN rail and I/O baseplate mounting.
Related Modules
| Model Number | Description |
|---|---|
| AAI141-S00 | Analog Input Module |
| AAI543-H50 | Analog Output Module |
| ADV151-E60 | Digital Input Module |
| ADV551-P13 | Digital Output Module |
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| Model Number | Description |
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