Product Overview
The Yokogawa AAI835-S00 S2 is a robust and reliable 8-channel analog input/output module designed for use within Yokogawa’s ProSafe-RS safety system. Built to meet stringent safety requirements, this SIL3-certified module supports 4–20 mA current signals for both inputs and outputs, making it ideal for use in safety instrumented functions (SIF) where high availability and precision are critical. With built-in isolation and diagnostic capabilities, the AAI835-S00 S2 ensures stable performance even in demanding process environments.
Key Features
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8-channel mixed analog I/O module (4 input, 4 output)
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Designed for safety applications with SIL3 certification
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4–20 mA current signal support for both input and output
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Channel-to-channel and system-level isolation
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16-bit resolution for high accuracy
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Compatible with Yokogawa ProSafe-RS systems
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Diagnostic functions for enhanced reliability
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Hot-swappable for minimal process disruption
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog Input/Output Module |
| モデル Number | AAI835-S00 S2 |
| メーカー | 横河電機 Corporation |
| I/O Configuration | 4 Analog Inputs + 4 Analog Outputs |
| Signal Range | 4–20 mA DC |
| Resolution | 16-bit |
| Input Accuracy | ±0.1% / full scale |
| Output Accuracy | ±0.1% / full scale |
| Output Load Resistance | 0–600 Ω |
| Isolation | Between channels and system |
| Diagnostic Functions | Built-in, for each channel |
| Power Consumption | Approx. 6.0 W |
| Safety Standard | SIL3 (IEC 61508) |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Mounting | Rack-mounted |
| Dimensions | 107.5 × 32.8 × 130 mm |
| 重量 | 0.3 kg |
Industry Applications
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Safety Instrumented Systems (SIS)
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Emergency Shutdown (ESD) Systems
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Fire and Gas Detection Systems (FGS)
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Process Shutdown Systems (PSD)
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Chemical and Petrochemical Plants
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Oil & Gas Facilities
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Power Generation and Distribution Plants
Product Advantages
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Dual-Function I/O: Reduces the number / modules required by combining input and output functions
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SIL3 Certified: Trusted safety performance for critical process control
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Advanced Diagnostics: Provides early fault detection for maintenance efficiency
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Hot-Swappable Design: Enables quick replacement without interrupting operation
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System Compatibility: Fully integrated with Yokogawa ProSafe-RS platform
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High Accuracy: Ensures precise monitoring and control / analog signals
よくある質問 (FAQ)
1. What kind / signals does the AAI835-S00 S2 module support?
It supports 4–20 mA analog current signals for both input and output.
2. How many channels are available on this module?
It includes 4 input and 4 output analog channels.
3. Is this module safety certified?
Yes, it is certified for SIL3 in compliance with IEC 61508.
4. Can it be used with ProSafe-RS systems?
Yes, it is fully compatible with Yokogawa’s ProSafe-RS safety systems.
5. What is the resolution / the analog signals?
The module /fers a 16-bit resolution.
6. Is there any isolation between channels?
Yes, it features channel-to-channel and channel-to-system isolation.
7. What is the maximum output load resistance?
It supports up to 600 ohms / output load resistance.
8. Does the module support hot-swapping?
Yes, it can be replaced while the system is online.
9. What are the built-in diagnostics?
It includes self-diagnostics and per-channel status monitoring.
10. What are the module dimensions?
The dimensions are 107.5mm × 32.8mm × 130 mm.
Related Modules
| モデル Number | 説明 |
|---|---|
| AAI543-H00 | 8-ch Analog Output Module |
| AAI543-H50 S1 | 16-ch Analog Output Module |
| AAI141-S00 | 8-ch Analog Input Module |
| AAI143-S50 | 16-ch Analog Input Module |
| AAI835-H00 S2 | 8-ch Analog I/O Module (H version) |
| AAI543-H53-S1 | Analog Output Module (S1 Version) |
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