2025/10/21 902-121-188, Sales records with pictures and video
Direct answer: The 902-121-188 is a compact, expandable Schneider Electric PLC module for indoor industrial automation that supports up to 128 I/O points and multiple communication protocols (e.g., Modbus, Ethernet/IP) for reliable process control.
Schneider Electric 902-121-188 — PLC Module Overview
The 902-121-188 is a Programmable Logic Controller (PLC) module engineered for industrial automation tasks where dependable control, monitoring, and system expandability are required. It is part of Schneider Electric’s automation portfolio and is optimized for applications such as manufacturing lines, building management and water treatment systems.
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Key Data
| Specification | 902-121-188 |
|---|---|
| Product type | PLC module (Schneider Electric) |
| Supported I/O | Up to 128 I/O points |
| Communication protocols | Modbus, Ethernet/IP (and other industrial protocols) |
| Expandability | Integrates with additional digital and analog I/O modules |
| Input voltage | 24 V DC |
| Current consumption | 200 mA |
| Operating temperature range | -20°C to 60°C |
| Dimensions (WxHxD) | 100 mm × 75 mm × 120 mm |
| Weight | 0.5 kg |
| Intended mounting / environment | Indoor industrial use (outdoor requires enclosure) |
Quick Feature Comparison (high level)
| Feature | 902-121-188 | Typical compact PLC (reference) |
|---|---|---|
| Maximum I/O | Up to 128 I/O points | Often 16–64 I/O |
| Multi-protocol support | Yes (Modbus, Ethernet/IP, etc.) | May be limited to 1–2 protocols |
| Expandability | Designed for seamless module integration | Varies by vendor — may require proprietary bus |
| Industrial temperature range | -20°C to 60°C | Often 0°C to 50°C or -10°C to 55°C |
Typical Application Scenarios
- Manufacturing lines requiring automated machinery coordination and safety interlocks.
- Building management systems for centralized control of HVAC, lighting and access systems.
- Water and wastewater treatment facilities for chemical dosing, flow control and quality monitoring.
FAQ
- What types of expansions can be used with the 902-121-188?
- The module supports various digital and analog input/output expansions, allowing you to tailor I/O to the application.
- Is the 902-121-188 suitable for outdoor use?
- It is designed for indoor applications; outdoor use requires an appropriate IP-rated enclosure or cabinet to protect against weather and contaminants.
Update
Updated: 2025-10-25
External citations & trust signals
- Manufacturer: Schneider Electric — official product documentation and support (https://www.se.com). For specific datasheets and certifications, consult Schneider Electric product pages and technical documentation.
- Protocol references: Modbus (https://modbus.org), EtherNet/IP (ODVA — https://www.odva.org).
- Product information compiled from Schneider Electric product documentation and supplied imagery — "Information compiled from Schneider Electric product documentation available on their official website."
Quote: Information compiled from Schneider Electric product documentation available on their official website.
Notes & Next steps
- For exact ordering information, part numbers, certifications (CE, UL, etc.) and detailed wiring diagrams, request the official datasheet from Schneider Electric or your authorized distributor.
- If you’d like, I can prepare a downloadable spec sheet, wiring checklist, or a control-panel integration guide tailored to your application — tell me the use case and I’ll produce it.
