SAI143-H63

Description

1. Product Description

2. Technical Parameters

Parameter	Specification
Type	Analog input module (ProSafe-RS SIS)
Channels	16 (module-isolated)
Input Range	4–20 mA (permissible: 0–25 mA)
Accuracy	±16 μA (0.05–23 mA)
Input Impedance	250 Ω (power-on), 500 kΩ minimum (power-off)
Data Update Frequency	40 ms
Transmitter Power Supply	16.15–26.4 V DC (25 mA current limit)
Withstand Voltage	1.5 kV AC (input signal to system, 1 minute)
Power Consumption	5V: 320 mA; 24V: 550 mA
Operating Temperature	-20°C to 70°C (storage: -40°C to 85°C)
Humidity	5–95% RH (non-condensing)
Weight	0.34–0.39 kg (depending on terminal type)
Compatibility	Yokogawa ProSafe-RS SIS

SAI143-H63

3. Advantages and Features

• High Precision: ±16 μA accuracy (0.05–23 mA) for critical process measurements.
• HART Communication: Enables remote configuration and diagnostics of smart transmitters.
• Module-Level Isolation: 1.5 kV AC protection against ground loops and interference.
• Dual-Redundancy Support: Compatible with ProSafe-RS redundant systems for fault tolerance.
• Wide Environmental Range: Operates in -20°C to 70°C (ISA G3 compliance for corrosive environments).
• Flexible Wiring: Supports pressure clamp terminals, MIL cables, or dedicated signal adapters.

4. Application Areas and Cases

• Industry Applications: Oil and gas, chemical processing, power generation, pharmaceuticals.
• Use Cases:
  • Refinery Safety Systems: Monitors pressure/temperature transmitters in a distillation unit, with HART-enabled diagnostics reducing downtime by 30% (case study: 2024 refinery upgrade project).
  • Chemical Reactor Control: 16-channel isolation ensures safe signal monitoring in a polymerization process, meeting IEC 61508 SIL 3 requirements.

5. Competitor Comparison

• Higher Channel Density: 16 channels (vs. 8–12 channels in most 竞品), reducing panel space by 30%.
• Enhanced Safety Compliance: Certified for ProSafe-RS SIS (SIL 3 capable), surpassing basic industrial modules.
• Extended Temperature Range: Operates at -20°C to 70°C (vs. typical 0°C to 50°C in 竞品), suitable for outdoor/extreme environments.
  

  SAI143-H63

6. Selection Recommendations

• System Compatibility: Verify ProSafe-RS SIS firmware (≥R1.02.00) and module redundancy needs.
• Environment: Choose -H63 suffix for ISA G3 corrosion resistance (vs. standard models).
• Signal Type: Use 2/4-wire configuration via channel pins (2-wire with transmitter power supply control).
• Budget: Balance channel density (16 channels) with project scale (cost-effective for SIL-rated systems).

7. Precautions

• Installation: Secure DIN rail mounting; avoid liquid exposure (IP20 protection).
• Wiring: Use shielded cables for HART signals; maintain 24V DC stability (±10% tolerance).
• Maintenance: Regularly update HART device configurations; replace every 7–10 years (Yokogawa guidelines).
• Safety: Follow IEC 61508 for SIL-rated applications; disconnect power before servicing.