Product Parameters
- Model Number: SAI143-H53 S3
- Suffix Codes: H (With HART Communication), 5 (High-density), 3 (Standard type)
- Input Channels: 16-Channel, Isolated
- Signal Type: 4 to 20 mA DC
- System Compatibility: CENTUM VP / ProSafe-RS Safety Instrumented System
- Safety Integrity Level: SIL3 Certified (when used in redundant configuration)
- Conversion Accuracy: ±0.1% of span
- Input Impedance: 250 Ω
Product Description The Yokogawa SAI143-H53 S3 is a high-density analog input module designed for the ProSafe-RS safety instrumented system and CENTUM VP control environments. It features 16 isolated channels capable of receiving 4-20 mA current signals from field transmitters with integrated HART communication support. The “S3” designation signifies its enhanced hardware reliability, making it suitable for critical safety loops where high availability and precise signal processing are required. The module provides internal galvanic isolation between the field circuits and the system bus, protecting the control architecture from external electrical surges and noise.
Application Areas This module is a core component in Emergency Shutdown Systems (ESD), Fire and Gas Systems (F&G), and Burner Management Systems (BMS). It is widely utilized in the global oil and gas, petrochemical, and power generation sectors to monitor critical process variables such as pressure, temperature, and flow in safety-critical environments.
Product Specifications
- Weight: 0.35 kg
- Dimensions: 130 mm x 115 mm x 32 mm
- Country of Origin: Japan
- Power Consumption: 300 mA at 24 V DC (Internal)
Operational Precautions
- Ensure the module is compatible with the version of the I/O baseplate (terminal block) being used to prevent physical misalignment or pin damage.
- When utilizing HART communication, verify that the field devices are properly configured to prevent signal interference on the 4-20 mA loop.
- For SIL3 applications, follow the manufacturer’s guidelines regarding redundant (dual) module installation and voting logic configuration.
- Never remove the module from the rack while the system is under active safety control unless the specific loop has been bypassed or placed in a safe state.
Recommended Similar Product Models
| Model Number | Product Category | Feature Set |
|---|---|---|
| SAI143-S53 | Analog Input Module | Standard 16-ch (Non-HART) |
| SAV144-S53 | Analog Input Module | 1-5 V Voltage Input |
| SAI533-H53 | Analog Output Module | 4-20 mA HART Output |
| SDV144-S53 | Digital Input Module | 16-ch 24V DC Input |
| SAT145-S53 | Temperature Input | TC/RTD Isolated Input |
