A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Introduction
The Yokogawa SAI143-H53/A4D00 Analog Input Module is a high-reliability industrial-grade signal acquisition device designed for Safety Instrumented Systems (SIS) and advanced process control applications. Engineered for precision and long-term stability, it provides accurate conversion of 4–20 mA analog signals with strong electrical isolation and enhanced system redundancy support.
With its dual-redundant terminal architecture and HART communication capability, this module is optimized for mission-critical environments where operational safety, diagnostic visibility, and continuous uptime are essential.
Technical Specifications & Physical Data
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SAI143-H53/A4D00 |
| 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. 13 × 13 × 3 cm |
| Weight | approx. 0.34 – 0.5 kg |
| Terminal Type | Dual-redundant pressure clamp (/A4D00 option) |
| Mounting | Rack-based I/O system |
