Excellent PLC
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Product Overview
The Yokogawa AAI835-H00/K4A00 is a versatile analog input/output (I/O) module designed for the CENTUM VP Distributed Control System (DCS). This module integrates both high-accuracy analog input and output channels, supporting multiple signal types to streamline process control. It is engineered for reliable performance, advanced diagnostics, and seamless system integration, making it ideal for complex industrial automation applications.
Key Features
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Combines analog input and output channels in a single module
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Supports multiple input signal types: 4–20 mA, 1–5 V, thermocouples
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Provides accurate analog output signals (4–20 mA)
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High resolution: 16-bit A/D for inputs, 12-bit D/A for outputs
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Comprehensive diagnostics for inputs, outputs, and module health
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Hot-swappable to facilitate maintenance without system interruption
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Compact design for efficient rack utilization
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Compatible with Yokogawa CENTUM VP system
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog Input/Output Module |
| Model Number | AAI835-H00/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 complexity
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High-precision measurements and control with 16-bit and 12-bit resolution
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Advanced diagnostics for proactive maintenance and fault detection
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Hot-swappable for minimal downtime during servicing
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Compact, space-saving design for efficient rack integration
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Seamless integration with Yokogawa CENTUM VP systems
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Robust against electrical noise and environmental conditions
Frequently Asked Questions (FAQ)
1. How many input and output channels does the AAI835-H00/K4A00 provide?
It provides 8 analog input and 8 analog output channels.
2. What input signals are supported?
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 input and output resolutions?
Inputs have 16-bit resolution; outputs have 12-bit resolution.
6. What diagnostics does the module offer?
Diagnostics include input/output status, fault detection, and module health monitoring.
7. What is the module’s physical size?
130 mm × 27.2 mm × 130 mm.
8. What temperature range can it operate in?
0°C to +60°C.
9. What certifications does it hold?
CE, UL, CSA, and RoHS certified.
10. How can it be mounted?
Supports DIN rail or 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 |
Popular Yokogawa Modules
| Model Number | Description |
|---|---|
| AAI141-S00/A4S00 | Analog Input Module |
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