Product Overview
The Yokogawa SAI143-H53/STA4D-00 Analog Input Module supports ProSafe-RS safety systems, offering 16 isolated 4–20 mA input channels with HART communication. Each channel is fully isolated to prevent cross-channel interference, ensuring accurate signal acquisition for critical process control and safety applications.
Moreover, the built-in transmitter power supply provides 16.15–26.4 V DC with a 25 mA limit, allowing seamless connection of HART-enabled devices. Dual-redundancy support guarantees continuous operation, maintaining reliability even if a module fails.
Functional Highlights
- 16 Isolated Channels: Supports 4–20 mA signals, maintaining full module isolation for robust signal integrity.
- HART Communication: Compatible with HART 5, 6, and 7 devices, using serial half-duplex communication.
- Dual Redundancy Support: Ensures uninterrupted operation by configuring redundant modules.
- Fast Data Updates: 40 ms update frequency allows real-time monitoring and control.
- Flexible Connectivity: Supports pressure clamp terminals, MIL cables, or dedicated signal cables for convenient wiring.
In addition, the module handles transmitter power ON/OFF control, which helps reset alarms in Fire & Gas devices, improving system management and safety compliance.
Technical Specifications
| Attribute | Specification |
|---|---|
| Model | SAI143-H53/STA4D-00 |
| Channels | 16, isolated |
| Input Range | 4–20 mA (Permissible 0–25 mA) |
| Input Impedance | 250 Ω + input value (ON), ≥500 kΩ (OFF) |
| Accuracy | ±16 µA (0.05–23 mA) |
| Temperature Drift | ±16 µA per 10°C |
| Data Update Frequency | 40 ms |
| Transmitter Power Supply | 16.15–26.4 V DC, 25 mA limit |
| Withstand Voltage | 1.5 kV AC (input to system) |
| Current Consumption | 5 V: 320 mA, 24 V: 550 mA |
| Weight | 0.34 kg (clamp/MIL), 0.39 kg (signal cable adapter) |
| Connection | Pressure clamp, MIL cable, dedicated signal cable |
| HART Protocol | 5.7, half-duplex, 1200 bps ±2 |
| Response Time | Max 28 characters (256.7 ms) |
| Suffix Codes | -H53/STA4D-00 (HART, clamp/MIL, ISA G3, -20 to 70°C) |
The module features robust electrical performance, including 1.5 kV AC withstand voltage and low temperature drift, making it suitable for high-reliability industrial environments.
System Integration & Typical Applications
The SAI143-H53/STA4D-00 integrates seamlessly with ProSafe-RS systems, ensuring reliable HART communication and analog signal acquisition.
Common Applications Include:
- Safety instrumented systems in chemical and petrochemical plants
- Fire & Gas monitoring and emergency shutdown systems
- Redundant analog signal acquisition for critical process control
- Integration with HART-enabled transmitters for real-time diagnostics
Therefore, this module enhances system reliability while reducing installation complexity and maintenance requirements.
FAQ
Q1: Is the SAI143-H53/STA4D-00 compatible with all HART devices?
Yes. It supports HART 5, 6, and 7 protocols, allowing connection to most HART-enabled transmitters.
Q2: How should the module be installed for redundancy?
Dual-redundancy requires ordering an additional module without suffix codes, connecting via pressure clamp terminals.
Q3: What are the delivery and warranty terms?
All Yokogawa SAI143-H53/STA4D-00 modules are 100% original, in stock, and ship via DHL, FedEx, or UPS in 3 days to 2 weeks, depending on order size. Quality issues are supported with a 30-day return policy.
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