A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Introduction
The Yokogawa SAI143-H53 S2 Analog Input Module is a high-reliability, safety-grade input solution designed for advanced process control and Safety Instrumented Systems (SIS). Built to deliver precise 4–20 mA signal acquisition, it combines robust electrical isolation, HART communication capability, and stable performance under demanding industrial conditions.
As part of Yokogawa’s ProSafe-RS ecosystem, this module is optimized for environments where accuracy, redundancy readiness, and continuous operation are essential.
Technical Specifications & Physical Data
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SAI143-H53 S2 |
| 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 |
| Isolation | Channel-to-system isolation |
| Withstand Voltage | 1.5 kV AC |
| Input Impedance | 250 Ω (operating condition) |
| 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. 15 × 13 × 4 cm |
| Weight | approx. 0.34 kg |
| Mounting | Rack-based I/O system |
| System Type | Safety / DCS compatible S2 configuration |
