Product Description
The SAI143-S53 S3 is a high-reliability analog input safety module designed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). It is used to accurately capture 4–20 mA analog signals from field transmitters such as pressure, level, and flow sensors.
This module is engineered to meet SIL3 (IEC 61508) safety integrity standards, providing high diagnostic coverage and fail-safe protection for critical applications such as Emergency Shutdown (ESD) and Fire & Gas (F&G) systems.
The S53 variant supports 16-channel high-density signal monitoring with galvanic isolation between field wiring and internal logic circuits, protecting the system from electrical noise and surge damage. The S3 suffix indicates hardware and firmware revisions optimized for long-term operational stability in harsh industrial environments.
High-resolution 16-bit A/D conversion and fast sampling cycles ensure real-time safety monitoring and rapid execution of protective control logic.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SAI143-S53 S3 |
| Module Type | Analog Input (Current) |
| Input Channels | 16 channels (isolated) |
| Signal Range | 4–20 mA DC |
| Safety Certification | SIL3 (IEC 61508) |
| A/D Conversion | 16-bit resolution |
| Input Impedance | 250 Ω |
| Accuracy | ±0.1% of full scale |
| Isolation Voltage | 500V AC (field to logic) |
| Power Consumption | Max 500 mA at 24V DC |
| Update Cycle | 10 ms (16 channels) |
| Dimensions | 32 × 107 × 130 mm |
| Weight | 0.3 kg |
Application
The SAI143-S53 S3 is widely used in safety-critical industries, including:
-
Offshore oil and gas platforms
-
Petrochemical refineries
-
Pharmaceutical manufacturing facilities
Typical applications include:
-
High-Pressure Protection Systems (HIPPS)
-
Burner Management Systems (BMS)
-
Safety monitoring for ESD and F&G protection loops
Its high diagnostic coverage and redundant-ready design make it suitable for high-integrity process safety applications.
FAQ
Q1: Does this module support redundancy?
Yes. It is designed for redundant safety node configurations to maintain safety loop continuity in the event of a module failure.
Q2: Is it compatible with HART transmitters?
It reads the 4–20 mA analog signal. For full HART digital communication pass-through, the HART-series variants should be used.
Q3: How is this different from standard PLC analog inputs?
Unlike standard PLC I/O, this module includes extensive self-diagnostics and safety-certified redundant circuitry for critical safety system applications.
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|---|---|
| Dostava | Na voljo pospešena, tovorna in mednarodna dostava. |
| Stanje | 100 % novo z originalno embalažo |
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| Luka za pošiljanje | ShangHai, Xiamen |
| Garancija | 12 mesecev |
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| A: Da, sodelujemo z več kot 50 državami po vsem svetu. Kot vrhunski dobavitelj na Kitajskem nudimo pomembne popuste glede na tržne trende. |
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| A: Vsi naši novi in originalni izdelki imajo standardno enoletno garancijo. |
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| A: Zahtevamo 100 % plačilo T/T (telegraphični prenos) pred pošiljanjem. Za izdelke z določenim časom dobave je potreben 30 % polog vnaprej, preostalih 70 % pa pred pošiljanjem. Če imate predstavnika na Kitajskem, lahko preko njega uredite prenos RMB. |
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| A: Dostava običajno traja 1-3 dni po prejemu začetnega plačila. Za izdelke z določenim časom dobave bo pošiljanje potekalo po dogovorjenem urniku. |
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| A: Zagotavljamo varno pakiranje z več plastmi zaščite. Izdelki so najprej postavljeni v njihove originalne škatle in zapečateni z nalepkami. Nato dodamo plast mehurčkaste folije za zaščito pred trki med prevozom. Na koncu so predmeti varno zapakirani v trpežne škatle. |
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