Aprašymas
Overview
The Yokogawa SEC402‑51 is a high-performance ESB Bus Coupler Module designed for CENTUM VP and CENTUM CS 3000 Distributed Control Systems. It serves as a communication bridge between the Field Control Unit (FCU) and remote I/O nodes, providing deterministic, high-speed, and reliable data transfer. Engineered for long-term industrial operation, this module is ideal for petrochemical, power generation, refining, and other mission-critical environments.
Key Features
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Acts as the master-side bus coupler between FCU and remote I/O stations
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Supports multi-drop ESB network topologies
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Built-in communication health monitoring and diagnostics
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Redundant dual-coupler configuration support for enhanced reliability
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Low-power design suitable for continuous operation
Technical Specifications
General Characteristics
| Parameter | Specification |
|---|---|
| Model | SEC402‑51 |
| Type | ESB Bus Coupler Module |
| System Compatibility | CENTUM VP / CENTUM CS 3000 |
| Subsystem | FIO (Field I/O) |
| Function | Provides ESB bus communication between FCU and remote I/O |
Communication Characteristics
| Parameter | Specification |
|---|---|
| Bus Type | ESB (Extension Serial Bus) |
| Communication Role | Master-side bus coupler |
| Data Transmission | High-speed, deterministic serial communication |
| Supported Topology | Multi-drop ESB remote I/O architecture |
| Redundancy | Supports dual-coupler redundant configuration |
| Error Handling | Built-in diagnostics and communication health monitoring |
Electrical Characteristics
| Parameter | Specification |
|---|---|
| Power Supply | Provided via FCU baseplate |
| Power Consumption | Low-power design |
| Isolation | Electrical isolation between ESB bus and internal circuits |
Mechanical Characteristics
| Parameter | Specification |
|---|---|
| Mounting | Plug-in installation on FCU baseplate |
| Weight | 0.3 kg |
| Connector Type | ESB bus connector for remote I/O link |
Environmental Ratings
| Parameter | Specification |
|---|---|
| Operating Temperature | –20 °C to +55 °C (cabinet dependent) |
| Humidity | 5–95% RH, non-condensing |
| EMC Performance | Industrial-grade noise immunity |
Applications
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Process control in petrochemical plants
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Power generation and energy management systems
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Refining and chemical production lines
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Any industrial setup requiring high-speed remote I/O communication with redundancy
FAQ (Frequently Asked Questions)
Q: Which remote I/O modules are compatible with SEC402‑51?
A: Compatible with all ESB remote I/O modules in CENTUM VP and CS 3000 systems.
Q: Does this module support redundancy?
A: Yes, dual-coupler redundant configurations are supported for higher reliability.
Q: What are the operating temperature and humidity ranges?
A: –20 °C to +55 °C, with 5–95% RH non-condensing.
Q: Is the module power-efficient?
A: Yes, it features a low-power design powered via the FCU baseplate.
Q: Does the module have diagnostic functions?
A: Yes, it includes built-in communication health monitoring to quickly detect bus faults.
Savybės
Mes priimame didelius užsakymus ir turime minimalią užsakymo kiekį – tik vieną vienetą.
Pagal užklausą galime pateikti visus reikiamus dokumentus, įskaitant kilmės/atitikties sertifikatus ir kitus būtinus eksporto dokumentus.
Sandėlyje esančius daiktus siekiame pristatyti per 1-3 dienas po apmokėjimo patvirtinimo. Daiktai su nurodytu pristatymo terminu bus pristatyti pagal nurodytą grafiką.
Mes priimame 100 % T/T (telegrafinius pervedimus) apmokėjimą prieš išsiuntimą. Prekėms su laukimo terminais reikalinga 30 % avansinė įmoka, likusieji 70 % turi būti sumokėti prieš išsiuntimą. Dėl RMB pervedimų, jei turite agentą Kinijoje, susisiekite su mumis.
Mes siūlome standartinę vienerių metų garantiją visiems naujiems ir originaliems daiktams. Jei jums reikalinga pratęsta garantija, prašome susisiekti su mumis dėl papildomų kainos detalių.
Jūsų pasitenkinimas mums svarbus. Jei reikia grąžinti prekę, tai turi būti padaryta per 30 dienų nuo užsakymo datos. Produktas turi būti nenaudotas, neuždarytas ir originalioje pakuotėje su visais priedais. Pinigų grąžinimas atliekamas per 5-7 darbo dienas nuo grąžintos prekės gavimo. Atkreipkite dėmesį, kad siuntimo ir susijusios išlaidos negrąžinamos.