Yokogawa AA1135-H00 Analog Input Module
Product Introduction: An 8-channel isolated analog input module designed for Yokogawa’s CENTUM VP and CENTUM CS 3000 DCS systems. It accepts 4–20 mA DC current signals from field transmitters, providing high-accuracy, isolated signal acquisition for process monitoring and control.
Technical Specifications:
- Channels: 8 isolated analog input channels
- Input Signal: 4–20 mA DC
- Input Isolation: 1500 V AC channel-to-channel and channel-to-ground
Detailed content
- Resolution: 16 bits
- Accuracy: ±0.01% of full scale
- Conversion Time: 0.5 ms per channel
- Power Supply: 24 V DC (system bus-powered)
- Operating Temperature: -20°C to +70°C
- Dimensions: Standard DCS module form factor
- Weight: Approx. 0.3 kg
Functional Features:
- 8 fully isolated channels for superior noise immunity
- High accuracy and fast response for precise process monitoring
- Compatibility with Yokogawa CENTUM series DCS
- Hot-swappable design for maintenance without system shutdown
- Robust construction for harsh industrial environments
- Compliance with international safety and EMC standards
Application Scenarios:
- Oil refineries and petrochemical processing
- Power generation plants
- Chemical and pharmaceutical manufacturing
- Pulp and paper production
- Food and beverage processing
- Water treatment and distribution systems












