Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Interface Standard | IEEE 802.3 10BASE-T, half-duplex |
| Port Count | 1 × RJ45 |
| Cable Type | 100 Ω unshielded twisted pair |
| Max Cable Length | 100 m per segment |
| Supported Protocols | Modbus Slave, DNP3 Slave, subsystem communication |
| Max Subsystem Stations | 30 units per module |
| Current Draw | 0.5 A |
| Approx. Weight | 0.3 kg |
| Mounting Hosts | ANB10, ANB11, AFV30, AFV40, SSC50, SSC60, SNB10D |
| Style Code | S1, standard non-explosion-proof type |
Product Introduction
This Yokogawa ALE111-S50 S1 is an Ethernet communication module built for CENTUM VP FCS and ProSafe-RS SCS platforms. It acts as a dedicated Ethernet gateway to read and write data from third-party subsystems into the DCS control logic.
It runs independently of safety loops, so it does not introduce interference to safety-related control paths. It supports fixed slave protocol operation, with one active communication function per hardware unit.
ALE111-S50 S1
ALE111-S50 S1
Application Scenarios & Field Experience
Continuous process plants often run into integration gaps when package skids, analyzers, or remote PLCs cannot natively connect to the Yokogawa DCS. ALE111-S50 S1 closes that gap without reworking the core control cabinet wiring.
- Oil & gas refining: Connect compressor skid PLCs to CENTUM VP for shared setpoint and alarm data.
- Power generation: Link substation protective relays via DNP3 slave to the safety control station.
- Chemical processing: Pull readings from gas chromatographs and online analyzers into the main FCS.
- Water treatment: Exchange Modbus data with remote pump and valve control subsystems.
In my experience, a refinery site lost trending and alarm visibility after an existing ALE111 module failed. The control team could not pull compressor vibration data to the main HMI. We shipped a matching ALE111-S50 S1, and the field technician swapped the module, loaded the matching firmware revision, and restored communication within 40 minutes. No process trip occurred because the safety logic remained isolated from this communication path.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Verify OEM packaging, factory labels, seal integrity, and cross-check suffix/style codes against the datasheet; run anti-counterfeit checks for Yokogawa marking features.
- Live Rig Testing: Install module on a compatible backplane, apply rated power, complete power-on self-test, and validate Modbus handshake with a test master.
- Firmware Verification: Read and record the installed firmware revision; share this revision with buyers before shipment.
- ESD-Safe Packaging: Use static-dissipative bags, foam inserts, and rigid outer cartons; label all packages with ESD handling warnings.
Frequently Asked Questions (FAQ)
Q1: Does ALE111-S50 S1 work with both FCS and SCS hardware? A: Yes. It mounts on FIO node units for CENTUM VP FCS and SSC series safety stations for ProSafe-RS. Confirm your backplane part number before ordering.
Q2: What warranty comes with this module? A: We provide 12 months of warranty. Warranty covers hardware failure under normal operating conditions; it does not cover damage from miswiring or incompatible firmware.
Q3: How fast can this unit ship, and is stock confirmed? A: Stock status is verified before quoting. If in stock, we pack and ship within 1–2 business days. If stock is pending, we will state the exact lead time upfront.
Q4: Can I flash newer firmware onto an ALE111-S50 S1? A: Firmware mismatches cause communication timeouts. Only use the firmware revision validated for your DCS software version. Do not upgrade without confirming compatibility with your control system revision.
Q5: Can I hot-swap this module while the DCS is online? A: Do not hot-swap this module unless your system is configured with redundant pairs. Single-module hot-swap will drop all subsystem communication and break data trending.
