Yokogawa ALE111-S51 Ethernet Communication Module
The Yokogawa ALE111-S51 is a ethernet communication module for Yokogawa platforms. E: With no explosion protection | With explosion protection: 0 | Unit: mm 125.5. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24 hours.
Technical Specifications
| Model | ALE111 Ethernet Communication Module |
|---|---|
| S | Standard Type 5 |
| E | With no explosion protection |
| With explosion protection | 0 |
| Unit | mm 125.5 |
| Description | F06E.ai |
| Basic Type | 1 With ISA Standard G3 option |
| Connection Method | Point-to-point |
| Connector | RJ-45 |
| Transmission Method | Half-duplex |
| Transmission Speed | 10 Mbps |
| Transmission Route | One port |
| Transmission Distance | 1 segment, 100 m (in between FCS and subsystems, or HUB and subsystems) |
| Manufacturer | Yokogawa |
| Model / SKU | ALE111-S51 |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
Why I/O Module Configuration Matters
The Yokogawa ALE111-S51 is an I/O module that handles signal conversion between field devices and the control system. What makes ordering a replacement tricky is that Yokogawa uses configuration codes in their part numbers — the base model might be the same, but suffix codes can change the input voltage range, output type, channel count, isolation rating, or communication protocol. Two modules that look identical from the outside can behave completely differently when plugged into the chassis.
Before ordering, verify the full part number on your existing module label. Do not rely on memory or a handwritten note from the last maintenance shift. Take a clear photo and send it to us if you are unsure — our engineers can cross-reference the part number and confirm compatibility, usually within 4 business hours.
Every I/O module we ship is factory-sealed and functionally tested on a live Yokogawa rack: all channels exercised with calibrated signal sources, communication verified, 48-hour burn-in at 55°C. Printed test report included. 12-month warranty. Worldwide shipping within 24 hours.
Compatible Parts — Same System
These modules share the same system family as the ALE111-S51. Commonly ordered together for complete rack builds or spare parts kits.
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