Description
AAB841-S00 Yokogawa Analog Input/Output Module
Product Overview
- The Yokogawa AAB841-S00 is a versatile hybrid module for industrial control.
- It manages both signals in a single unit to save space in your DCS cabinet.
- It handles 8 inputs and 8 outputs with high speed.
- Use the AAB841-S00 for precise flow, pressure, and valve control.
- It is built for 24/7 heavy-duty factory use.
Why Choose the AAB841 Series?
- Dual Function: Combine sensing and control in one AAB841 slot.
- Rapid Action: 40ms output response ensures real-time valve adjustment.
- Low Heat: Efficient power design extends hardware life.
- Easy Wiring: Supports pressure clamp terminals for quick setup.
- Stable Signals: Low temperature drift maintains accuracy in hot rooms.
Technical Data Breakdown
- Brand: Yokogawa
- Model: AAB841-S00
- Input Count: 8 Channels (1 to 5 V DC)
- Output Count: 8 Channels (4 to 20 mA DC)
- Input Precision: ±4 mV (High accuracy sensing)
- Output Precision: ±48 µA (Fine-tuned control)
- Input Impedance: ≥ 1 MΩ (Powered state)
- Voltage Supply: 5 V DC (310 mA) / 24 V DC (250 mA)
- Response Speed: 100 ms (Input) / 40 ms (Output)
- Drift Rate: ±0.1% per 10°C change
- Module Weight: 0.3 kg (Lightweight and compact)
- Wiring Options: KS Cable or Pressure Clamp
Configuration Breakdown
- AAB841 (Base Model: Analog I/O Module)
- └── -S (Standard Type: Reliable for general industry)
- └── 0 (Basic Configuration: Standard features)
- └── 0 (Protection: No explosion protection)
Shipping & Quality Assurance
- Warranty: 12-Month Full Replacement Warranty.
- Condition: 100% Original and Brand New.
- Global Shipping: Fast delivery via FedEx, UPS, and DHL.
- Packing: Anti-static shielding and heavy-duty foam protection.
Professional FAQ & Expert Guidance
- How do I choose between AAB841-S00 and isolated modules?
- The AAB841-S00 is non-isolated. Use it when all field devices share a common ground. If your field signals have high noise or different ground levels, look for an isolated version.
- What is the “unpowered state” resistance important for?
- It protects your loop. Even if the DCS loses power, the AAB841 maintains high resistance (≥ 340 kΩ). This prevents the module from draining the field signal circuit.
- Can I use this for 0-20mA inputs?
- Standard config is 1-5V. To use 4-20mA inputs, you must install a 250Ω shunt resistor across the input terminals to convert current to voltage.
- What is the best way to reduce signal noise on this module?
- Use shielded twisted pair KS cables. Ensure the shield is grounded at only one point. Since this module is non-isolated, clean wiring is vital for precision.
- Does this module support hot-swapping?
- Check your specific Yokogawa rack manual. Usually, these I/O modules allow removal while the system is live, but always verify the “Live Replacement” status of your base unit first.
Contact: Phone +86 158 8020 0923
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