Yokogawa SEC402-21 ESB Bus Coupler Module | ProSafe-RS Safety Interface
Yokogawa SEC402-21 ESB Bus Coupler Module | ProSafe-RS Safety Interface
Manufacturer: Yokogawa
Product No.: SEC402-21
Condition:1000 in stock
Product Type: ESB Bus Coupler Module
Product Origin: 8921852510467
Payment: T/T, Western Union
Weight: 240g
Shipping port: Xiamen
Warranty: 12 months
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Yokogawa SEC402-21 ESB Bus Coupler Module - Critical Safety System Interface
The Yokogawa SEC402-21 is an advanced ESB (Emergency Shutdown Bus) Bus Coupler Module engineered for ProSafe-RS safety instrumented systems. This dual-redundant master interface module establishes reliable, high-integrity communication between Field Control Units (FCUs) and Safety Node Units within SIL 3-certified safety architectures.
Technical Specifications
- Model: SEC402-21
- Function: ESB Bus Master Interface / Coupler Module
- Redundancy: Dual-redundant architecture for maximum availability
- Communication Protocol: ESB proprietary safety bus protocol
- Safety Integrity Level: SIL 3 compliant (IEC 61508)
- Operating Temperature: -20°C to +60°C
- Power Consumption: Low-power design for energy efficiency
- Mounting: DIN rail compatible
- Diagnostic Capability: Built-in self-diagnostics with status LEDs
Application Scenarios
The SEC402-21 serves as the critical communication backbone in process safety applications across oil & gas, petrochemical, power generation, and pharmaceutical industries. It enables seamless data exchange between distributed field control units and centralized safety logic solvers, ensuring fail-safe operation during emergency shutdown sequences.
Typical deployments include:
- Emergency Shutdown Systems (ESD) for offshore platforms and refineries
- Fire & Gas detection system integration with safety controllers
- Burner Management Systems (BMS) requiring high-availability communication
- Critical process control loops demanding deterministic response times
- Multi-zone safety architectures with distributed I/O networks
Engineering Solutions
This module addresses complex safety communication challenges through its dual-channel redundancy, automatic failover mechanisms, and comprehensive diagnostic capabilities. The SEC402-21 continuously monitors bus integrity, detects communication faults, and maintains synchronization between redundant channels without operator intervention.
Advanced features include hot-swappable operation for maintenance without system shutdown, configurable timeout parameters for application-specific requirements, and extensive event logging for compliance documentation and troubleshooting.
System Integration Benefits
- Seamless integration with Yokogawa ProSafe-RS ecosystem
- Backward compatibility with legacy ESB infrastructure
- Reduced engineering time through pre-configured templates
- Enhanced system availability via redundant communication paths
- Simplified commissioning with auto-discovery features
Related Products
Enhance your ProSafe-RS safety system with these complementary components:
| Product | Description | Link |
|---|---|---|
| Yokogawa S2CP471-01 | ProSafe-RS Safety Controller Processor Module | View Product |
| Yokogawa AFV10D-S41151 | Duplexed Field Control Unit for distributed I/O | View Product |
| Yokogawa SSB401-13 S1 | ESB Bus Interface Slave Module for node expansion | View Product |
All products are genuine Yokogawa components with full technical support and documentation.
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191
Product Description
Yokogawa SEC402-21 ESB Bus Coupler Module - Critical Safety System Interface
The Yokogawa SEC402-21 is an advanced ESB (Emergency Shutdown Bus) Bus Coupler Module engineered for ProSafe-RS safety instrumented systems. This dual-redundant master interface module establishes reliable, high-integrity communication between Field Control Units (FCUs) and Safety Node Units within SIL 3-certified safety architectures.
Technical Specifications
- Model: SEC402-21
- Function: ESB Bus Master Interface / Coupler Module
- Redundancy: Dual-redundant architecture for maximum availability
- Communication Protocol: ESB proprietary safety bus protocol
- Safety Integrity Level: SIL 3 compliant (IEC 61508)
- Operating Temperature: -20°C to +60°C
- Power Consumption: Low-power design for energy efficiency
- Mounting: DIN rail compatible
- Diagnostic Capability: Built-in self-diagnostics with status LEDs
Application Scenarios
The SEC402-21 serves as the critical communication backbone in process safety applications across oil & gas, petrochemical, power generation, and pharmaceutical industries. It enables seamless data exchange between distributed field control units and centralized safety logic solvers, ensuring fail-safe operation during emergency shutdown sequences.
Typical deployments include:
- Emergency Shutdown Systems (ESD) for offshore platforms and refineries
- Fire & Gas detection system integration with safety controllers
- Burner Management Systems (BMS) requiring high-availability communication
- Critical process control loops demanding deterministic response times
- Multi-zone safety architectures with distributed I/O networks
Engineering Solutions
This module addresses complex safety communication challenges through its dual-channel redundancy, automatic failover mechanisms, and comprehensive diagnostic capabilities. The SEC402-21 continuously monitors bus integrity, detects communication faults, and maintains synchronization between redundant channels without operator intervention.
Advanced features include hot-swappable operation for maintenance without system shutdown, configurable timeout parameters for application-specific requirements, and extensive event logging for compliance documentation and troubleshooting.
System Integration Benefits
- Seamless integration with Yokogawa ProSafe-RS ecosystem
- Backward compatibility with legacy ESB infrastructure
- Reduced engineering time through pre-configured templates
- Enhanced system availability via redundant communication paths
- Simplified commissioning with auto-discovery features
Related Products
Enhance your ProSafe-RS safety system with these complementary components:
| Product | Description | Link |
|---|---|---|
| Yokogawa S2CP471-01 | ProSafe-RS Safety Controller Processor Module | View Product |
| Yokogawa AFV10D-S41151 | Duplexed Field Control Unit for distributed I/O | View Product |
| Yokogawa SSB401-13 S1 | ESB Bus Interface Slave Module for node expansion | View Product |
All products are genuine Yokogawa components with full technical support and documentation.
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191