Yokogawa SEC402-51 ESB Bus Coupler Module
$264.00
$378.00
Deskripsi
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.
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