
Product Description
YOKOGAWA ALE111-S50 S1 Ethernet Communication Module Overview
The YOKOGAWA ALE111-S50 S1 represents a breakthrough in safety-critical industrial networking, delivering SIL3-certified Ethernet connectivity for ProSafe-RS safety instrumented systems. Engineered with dual-port architecture and Modbus TCP/DNP3 protocol support, this module ensures uninterrupted data exchange in high-stakes process environments where milliseconds matter.
Technical Specifications
- Protocol Support: Modbus TCP, DNP3 over Ethernet
- Safety Integrity Level: SIL3 certified per IEC 61508
- Network Ports: Dual RJ45 Ethernet (10/100 Mbps)
- Isolation: Galvanic isolation 1500V AC between network and system
- Operating Temperature: -40°C to +70°C
- Power Consumption: Max 5W
- Mounting: DIN rail compatible
- Diagnostic LEDs: Power, Link, Activity indicators
Application Scenarios
Deploy the ALE111-S50 S1 in oil & gas emergency shutdown systems, chemical plant safety interlocks, power generation turbine protection, and pharmaceutical batch control where regulatory compliance demands certified safety communication. The module excels in distributed control architectures requiring real-time safety data transmission across plant-wide Ethernet backbones.
Engineering Solutions
Integrate seamlessly with SCADA systems via Modbus TCP for centralized monitoring, or leverage DNP3 for utility-grade substation automation. The dual-port design enables ring topology deployment, eliminating single points of failure. Galvanic isolation protects sensitive safety logic from electrical transients, while hot-swappable capability minimizes maintenance downtime.
Why Choose ALE111-S50 S1?
Unlike standard industrial Ethernet modules, this unit carries TÜV certification for functional safety applications, meeting stringent requirements for risk reduction in process industries. The module's firmware undergoes rigorous validation testing, ensuring deterministic response times critical for safety-related functions. Built-in diagnostics continuously monitor communication health, triggering alarms before failures impact operations.
Related Products
| Product | Description | Link |
|---|---|---|
| Yokogawa ALR111 Serial Communication Module | RS-232/422/485 interface for legacy system integration | View Product |
| Yokogawa ALR121-S50 Serial Communication Module | Enhanced serial module with advanced diagnostics | View Product |
| Yokogawa ALP121-S00 PROFIBUS-DP Communication Module | PROFIBUS fieldbus connectivity for ProSafe-RS | View Product |
Global Availability
Factory-sealed units ship worldwide with full documentation including safety manuals, configuration guides, and compliance certificates. Our technical support team assists with network architecture planning and protocol configuration.
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