A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Introduction
The Yokogawa SAI143-H53 Analog Input Module is a high-performance, safety-oriented input device designed for advanced process automation and Safety Instrumented Systems (SIS). Built for reliability in mission-critical environments, it delivers stable acquisition of 4–20 mA analog signals with high accuracy and strong diagnostic capability.
With HART communication support and robust isolation design, this module is widely used in industries where continuous monitoring, system integrity, and operational safety are essential. It is engineered to integrate seamlessly into Yokogawa’s CENTUM and ProSafe-RS architectures, supporting scalable and redundant control systems.
Technical Specifications & Physical Data
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SAI143-H53 |
| Module Type | Analog Input Module |
| Input Channels | 16 channels (isolated) |
| Input Signal | 4–20 mA DC |
| Permissible Input Range | 0–25 mA |
| Accuracy | ±16 µA |
| Resolution | 16-bit equivalent |
| Data Update Rate | 40 ms |
| Communication | HART protocol |
| Input Impedance | 250 Ω (typical operating condition) |
| Isolation | Channel-to-system isolation |
| Withstand Voltage | 1.5 kV AC |
| Power Consumption | 320 mA @ 5V / 550 mA @ 24V |
| Operating Temperature | -20°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions (HxWxD) | approx. 10.5 × 13.6 × 1.9 cm |
| Weight | approx. 0.2 – 2.0 kg (variant dependent) |
| Mounting | Rack-mounted I/O system |
