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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa AAI835-H00-S2 is a high-performance 8-channel analog input/output module designed for use in safety and process control applications. As part of the Yokogawa ProSafe-RS safety system, this module supports both input and output functionality, providing exceptional flexibility and integration for analog signal processing. It is built with stringent safety standards and delivers precise 4–20 mA analog current signals with high accuracy and reliability.
Key Features
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8-channel mixed analog input/output module
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Supports both analog input and output in one unit
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4–20 mA signal range for inputs and outputs
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High accuracy 16-bit resolution
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Channel-to-channel and system isolation
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Designed for ProSafe-RS safety systems
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Conforms to SIL3 safety integrity level
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Hot-swappable for efficient maintenance
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog I/O Module |
| Model Number | AAI835-H00-S2 |
| Manufacturer | Yokogawa Electric Corporation |
| I/O Type | 4 channels input + 4 channels output (4–20 mA) |
| Signal Type | Analog Current (4–20 mA) |
| Resolution | 16-bit |
| Input Accuracy | ±0.1% of full scale |
| Output Accuracy | ±0.1% of full scale |
| Load Resistance (Output) | Max. 600 Ω |
| Isolation | Channel-to-channel and channel-to-system |
| Power Consumption | Approx. 6.0 W |
| Safety Certification | SIL3 (IEC 61508 compliant) |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Mounting Type | Rack-mounted |
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
Industry Applications
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Emergency Shutdown Systems (ESD)
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Burner Management Systems (BMS)
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Fire and Gas Systems (FGS)
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Safety Instrumented Systems (SIS)
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Oil & Gas Facilities
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Chemical and Petrochemical Plants
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Power Generation Plants
Product Advantages
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Dual Functionality: Handles both analog input and output in a single module
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Safety Certified: Complies with SIL3 safety standards for critical systems
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High Signal Integrity: 16-bit resolution for precise data acquisition and control
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Reliability: Enhanced diagnostics and isolation reduce fault risk
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Maintenance Efficiency: Hot-swappable design allows safe replacement without shutdown
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System Compatibility: Seamlessly integrates with ProSafe-RS
Frequently Asked Questions (FAQ)
1. What type of signals does the AAI835-H00-S2 support?
It supports 4–20 mA analog current signals for both input and output.
2. How many channels does the module have?
It has 4 input channels and 4 output channels.
3. Is the module SIL-certified?
Yes, it is SIL3 certified according to IEC 61508.
4. Can this module be used with ProSafe-RS?
Yes, it is designed specifically for Yokogawa’s ProSafe-RS system.
5. Does it support hot-swapping?
Yes, the module is hot-swappable for quick maintenance.
6. What is the resolution of the signals?
The module provides 16-bit resolution.
7. Is there channel isolation?
Yes, it features both channel-to-channel and channel-to-system isolation.
8. What is the accuracy of input and output?
Both input and output accuracy is ±0.1% of full scale.
9. What is the maximum load resistance for output?
The maximum load resistance is 600 ohms.
10. What are the module’s dimensions?
107.5mm × 32.8mm × 130 mm.
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