Excellent PLC
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Yokogawa AAI841-H00 S2 is a high-performance analog input/output (I/O) module designed for integration with Yokogawa’s CENTUM VP Distributed Control System (DCS). This module combines multiple analog input and output channels, supporting a wide variety of signal types including current, voltage, and thermocouple inputs. Engineered for precise data acquisition and control, the AAI841-H00 S2 offers advanced diagnostics, excellent noise immunity, and robust operation in demanding industrial environments.
Key Features
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Integrated analog input and output capabilities
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Supports multiple input types: 4–20 mA, 1–5 V, thermocouples
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Provides 8 analog input and 8 analog output channels
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High-resolution 16-bit A/D for inputs and 12-bit D/A for outputs
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Comprehensive diagnostics for input/output status and fault detection
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Hot-swappable design for maintenance without interrupting system operation
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Compact and modular for efficient rack installation
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Full compatibility with CENTUM VP system
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Analog Input/Output Module |
| Model Number | AAI841-H00 S2 |
| 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 analog input and output in a single compact module
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High precision and accuracy with 16-bit and 12-bit conversion
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Advanced diagnostics facilitate preventive maintenance
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Hot-swappable to minimize system downtime
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Compact design optimizes rack space usage
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Seamless integration with Yokogawa CENTUM VP systems
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Robust against electrical noise and harsh industrial conditions
Frequently Asked Questions (FAQ)
1. How many input and output channels are available on the AAI841-H00 S2?
It has 8 analog input and 8 analog output channels.
2. What input signal types does the module support?
Supports 4–20 mA, 1–5 V, and thermocouple inputs.
3. What is the output signal range?
4–20 mA DC current output.
4. Is hot swapping supported?
Yes, the module supports hot swapping.
5. What resolutions are provided for input and output?
Inputs have 16-bit resolution; outputs have 12-bit resolution.
6. What diagnostics does the module offer?
Input/output status, fault detection, and module health monitoring.
7. What are the physical dimensions of the module?
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?
Certified by CE, UL, CSA, and RoHS.
10. What mounting options are available?
Supports DIN rail and I/O baseplate mounting.
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