Omron CJ1W-EIP21S EtherNet/IP Communication Unit 100Base-TX PLC Module
Omron · PLCs & Industrial Controllers
Description The Omron CJ1W-EIP21S is an EtherNet/IP communication unit designed to enable high-speed data exchange between PLC systems and industrial networks. It supports 100Base-TX communication and integrates seamlessly with Omron NJ, CJ, and CP1H series controllers. This module is used for real-time control, monitoring, and data communication in industrial automation environments. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Industrial Automation and Controls Part Number CJ1W-EIP21S Subcategory PLC Module/Rack Module Type EtherNet/IP Communication Unit Network Type EtherNet/IP (100Base-TX) Transmission Speed 100 Mbps Media Access Method CSMA/CD Transmission Media Shielded twisted-pair (Cat 5/5e) Max Transmission Distance 100 m Mounting Type CPU Rack / Expansion Rack Compatible PLCs NJ, CJ1/CJ2, CP1H Series Current Consumption 650 mA max. at 5 VDC Dimensions 31 × 90 × 65 mm Memory Type Non-volatile (for settings and logs) Operating Temperature 0°C to 55°C Weight Approx. 91 g Information About CJ1W-EIP21S The CJ1W-EIP21S is a CPU Bus Unit from Omron’s CJ-series, developed for EtherNet/IP network integration. It is mounted on a CPU or expansion rack and facilitates communication between PLCs and external devices using standard Ethernet protocols. The unit features built-in non-volatile memory for storing network configurations, tag data links, and operational settings. It is widely used in factory automation systems where reliable and scalable network communication is required. Key Features: EtherNet/IP communication: Enables high-speed industrial Ethernet connectivity 100Base-TX support: Provides stable data transmission at 100 Mbps Wide PLC compatibility: Works with NJ, CJ1/CJ2, and CP1H series controllers Flexible mounting: Installs on CPU or expansion racks Non-volatile memory: Stores network settings, tag data links, and logs Scalable architecture: Supports multiple units per system configuration Standard Ethernet media: Uses STP cables (Cat 5/5e) for easy integration Real-time data exchange: Supports control, monitoring, and diagnostics The CJ1W-EIP21S delivers the reliability and precision required for industrial network communication and control systems.
Brand: Omron · Category: PLCs & Industrial Controllers
Key features
- EtherNet/IP communication: Enables high-speed industrial Ethernet connectivity
- 100Base-TX support: Provides stable data transmission at 100 Mbps
- Wide PLC compatibility: Works with NJ, CJ1/CJ2, and CP1H series controllers
- Flexible mounting: Installs on CPU or expansion racks
- Non-volatile memory: Stores network settings, tag data links, and logs
- Scalable architecture: Supports multiple units per system configuration
- Standard Ethernet media: Uses STP cables (Cat 5/5e) for easy integration
- Real-time data exchange: Supports control, monitoring, and diagnostics
Specifications
| Manufacturer part number | CJ1W-EIP21S |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Omron |
| Category | Industrial Automation and Controls |
| Part Number | CJ1W-EIP21S |
| Subcategory | PLC Module/Rack |
| Module Type | EtherNet/IP Communication Unit |
| Network Type | EtherNet/IP (100Base-TX) |
| Transmission Speed | 100 Mbps |
| Media Access Method | CSMA/CD |
| Transmission Media | Shielded twisted-pair (Cat 5/5e) |
| Max Transmission Distance | 100 m |
| Mounting Type | CPU Rack / Expansion Rack |
| Compatible PLCs | NJ, CJ1/CJ2, CP1H Series |
| Current Consumption | 650 mA max. at 5 VDC |
| Dimensions | 31 × 90 × 65 mm |
| Memory Type | Non-volatile (for settings and logs) |
| Operating Temperature | 0°C to 55°C |
| Weight | Approx. 91 g |
| Product type | PLC Module/Rack |
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