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Introduction
The Yokogawa SAV144-S03 Analog Input Module is a high-reliability 16-channel analog input module designed for Yokogawa ProSafe-RS Safety Instrumented Systems (SIS) and CENTUM VP distributed control architectures. It is engineered to accurately acquire voltage signals from field instruments such as pressure transmitters, flow meters, and level sensors, converting them into stable digital values for process control and safety logic execution.
Built for mission-critical environments, the SAV144-S03 delivers high precision, strong electrical isolation, and redundancy-ready performance, making it a dependable component in large-scale industrial automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SAV144-S03 |
| Product Type | Analog Input Module |
| System Compatibility | ProSafe-RS / CENTUM VP / FCS systems |
| Input Channels | 16 isolated analog input channels |
| Input Signal Range | 1–5 V DC / 1–10 V DC |
| Permissible Input Range | ±30 V DC |
| Input Configuration | Single-ended / differential (system dependent) |
| Input Impedance | 1 MΩ (power ON), 100 kΩ (power OFF) |
| Accuracy | ±4 mV (1–5 V), ±9 mV (1–10 V) |
| Data Update Cycle | ~40 ms |
| Isolation Voltage | 1.5 kV AC for 1 minute |
| Current Consumption | ~300 mA (5 V system), ~140 mA (24 V system) |
| Communication Type | Module isolation with system backplane integration |
| External Wiring | Pressure clamp terminal / MIL connector / KS1 cable support |
| Redundancy Support | Supported in dual-redundant system configuration |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Weight | ~0.24–0.29 kg |
| Installation Type | FCU / ESB bus node installation |
