Alstom ALE111-S01

Core Technical Specifications

1. Model Suffix Definition:
   • S = Standard mechanical form factor
   • 1 = G3 ISA industrial environment corrosion protection option
2. Physical Layer Standard: IEEE 802.3 10Base-T Ethernet
3. Communication Port Quantity: 1× RJ45 female copper Ethernet port
4. Transmission Speed: Fixed 10 Mbps half-duplex CSMA/CD media access control
5. Maximum Segment Cable Length: 100 m per unshielded twisted pair cable run
6. Cable Requirement: 100 Ω category 3 unshielded twisted pair copper cable
7. Backplane Bus Interface: ESB DCS internal high-speed backplane bus
8. Power Consumption: Maximum 0.4 A DC draw from rack backplane supply
9. Operating Temperature Range: 0 °C to +60 °C
10. Ingress Protection Class: IP20 (indoor cabinet installation only)
11. Mechanical Form Factor: Standard Yokogawa FIO modular DIN rail rack card
12. Net Weight: 0.3 kg

Functional Features

1. Bidirectional transparent data bridging between ESB internal DCS bus and external Ethernet network
2. Hardware media access control chip with automatic collision detection and retransmission logic
3. Front-panel LED status indicators for power, link activity, transmission/reception fault diagnosis
4. Plug-and-play hot-swappable module without FCU controller full power shutdown
5. G3 environmental coating protects PCB circuits from industrial corrosive gas atmospheres

Working Principle

Material & Structural Characteristics

• Circuit board: FR-4 PCB with G3 anti-corrosion conformal coating
• Module housing: Gray extruded aluminum alloy heat sink housing with vertical ventilation slots
• Communication connector: Gold-plated RJ45 modular jack with integrated strain relief
• Backplane connector: Spring-loaded gold-plated contact edge connector for rack insertion

Core Advantages & Highlights

1. Native compatibility with all Alstom-integrated Yokogawa CENTUM VP power plant DCS systems
2. G3 conformal coating extends service life in sulfur-containing industrial power station environments
3. Hot-swap capability eliminates full system shutdown during communication hardware replacement
4. Low power consumption minimizes rack cabinet heat generation
5. Integrated hardware fault diagnostics reduce network troubleshooting downtime

Applicable Industries

Installation Mandatory Requirements

1. Install module exclusively in designated ESB bus rack slots adjacent to EC401 bus coupler units
2. Route Ethernet RJ45 cables separately from high-voltage power wiring with minimum 10 cm clearance
3. Terminate all Ethernet cable shield screens to cabinet single-point earth ground
4. Maintain cabinet operating temperature below 60 °C to prevent Ethernet communication packet loss
5. Verify ESB bus backplane contact integrity after every module insertion/removal cycle

Operation & Maintenance Precautions

1. Do not connect ALE111-S01 to intrinsically safe hazardous area field networks; use ALE111-SE0 explosion-proof variant for Zone classified environments
2. Inspect RJ45 port contact pins annually for oxidation or mechanical damage
3. Reboot FCU controller after three consecutive communication fault alarms to clear temporary bus errors
4. Avoid stacking multiple high-power heat-generating modules directly adjacent to ALE111-S01
5. Store spare modules in sealed anti-static packaging with desiccant to preserve G3 coating integrity