Overview
The Yokogawa AAV144-S50/A4S10 is a high-precision analog input module for the CENTUM VP Distributed Control System (DCS). It features 16 isolated analog input channels and supports voltage signals from 1–5 V and –10 to +10 V. This model includes the A4S10 pressure clamp terminal block with a surge absorber, ensuring robust signal integrity in harsh industrial environments. With fast data update cycles, electrical isolation, and broad environmental tolerance, this module delivers reliable performance in process automation applications.
Technical Specifications
- Model: AAV144-S50/A4S10
- Type: Analog Input Module (Voltage Input, Isolated)
- System: Yokogawa CENTUM VP
Input Specifications
- Number of Channels: 16 (all isolated)
- Signal Range: 1–5 V DC or –10 to +10 V DC
- Input Resistance:
- Power ON: 1 MΩ
- Power OFF: 200 kΩ
- Allowable Input Voltage: ±30 V
- Isolation Voltage: 1500 V AC for 1 minute
- Settable Signal Type: Common across channels 1–16
Performance
- Accuracy:
- ±4 mV (1–5 V range)
- ±20 mV (–10 to +10 V range)
- Temperature Drift:
- ±4 mV per 10°C (1–5 V)
- ±20 mV per 10°C (–10 to +10 V)
- Data Update Period: 10 ms
Environmental
- Operating Temperature: –20°C to +60°C
- Humidity: 5% to 95% RH (non-condensing)
Electrical
- Power Consumption: Max 500 mA @ 5 V DC
Physical
- Weight: 0.2 kg
- External Connections:
- Pressure clamp terminal (A4S10, with surge absorber)
- MIL connector
- KS1 cable












