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.
| Brze ponude | Primite cijenu i dostupnost BRZO od našeg posvećenog tima za korisničku podršku. |
|---|---|
| Dostava | Dostupna je ubrzana, teretna i međunarodna dostava. |
| Stanje | 100% Novo s originalnom ambalažom |
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| Luka za otpremu | ShangHai, Xiamen |
| Jamstvo | 12 mjeseci |
| Q: Jesu li naše cijene konkurentne? |
| A: Da, surađujemo s više od 50 zemalja širom svijeta. Kao vodeći dobavljač u Kini, nudimo značajne popuste temeljem tržišnih trendova. |
| Q: Koje je jamstveno razdoblje? |
| A: Svi naši novi i originalni proizvodi dolaze sa standardnim jamstvom od jedne godine. |
| Q: Koje metode plaćanja prihvaćamo? |
| A: Zahtijevamo 100% T/T (telegrafski transfer) uplatu prije otpreme. Za artikle s rokom isporuke, potrebno je unaprijed uplatiti 30% depozita, a preostalih 70% prije otpreme. Ako imate predstavnika u Kini, možete preko njega dogovoriti prijenos RMB. |
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| A: Uglavnom koristimo FedEx, DHL, UPS i BRE za dostavu. Ako imate račun kod bilo kojeg od ovih prijevoznika, možete sami obaviti otpremu. Također nudimo besplatnu dostavu za špeditere sa sjedištem u Kini. |
| Q: Koje je naše vrijeme isporuke? |
| A: Dostava obično traje 1-3 dana nakon primitka početne uplate. Za artikle s rokom isporuke, otprema će se izvršiti prema navedenom rasporedu. |
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| A: Osiguravamo sigurno pakiranje s višestrukim slojevima zaštite. Proizvodi se prvo stavljaju u njihove originalne kutije i zatvaraju naljepnicama. Zatim se dodaje sloj mjehurićaste folije za zaštitu od udaraca tijekom transporta. Na kraju, predmeti se sigurno pakuju u čvrste kutije. |
| Q: Kako nas kupci mogu kontaktirati i zatražiti ponudu? |
| A: Možete nas kontaktirati putem e-pošte, WhatsAppa, WeChata, Skypea ili vaše omiljene komunikacijske platforme. Obratite nam se sa svojim potrebama, a mi ćemo vam pružiti brzu, prilagođenu ponudu. |
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