Technical FAQs

1. What is the primary function of the AAI135-H00/K4A00 module?
   To convert analog field signals into digital signals for DCS controllers.

2. Which types of analog signals are supported?
   4–20 mA, 0–10 V, or other standard analog signals.

3. What is the operating voltage?
   24 VDC nominal.

4. What are the dimensions and weight?
   107.5 × 32.8 × 130 mm; 0.3 kg.

5. What is the operating temperature range?
   0 °C to +55 °C.

6. Can it be used for retrofitting existing systems?
   Yes — compatible with legacy Yokogawa analog input networks.

7. Is it suitable for industrial environments?
   Yes — designed to handle vibration, electrical noise, and standard industrial conditions.

8. How is the module mounted?
   Cabinet or rack installation.

9. Does it consume significant power?
   No — it operates efficiently with low power consumption.

10. What maintenance is required?
    Minimal — periodic inspection of wiring, connections, and cleanliness to maintain reliable operation.