CS1W-ETN21 | Omron CS-Series PLC Ethernet Expansion Module, 100BASE-TX
Omron · PLCs & Industrial Controllers
Description The Omron CS1W-ETN21 Ethernet expansion module is a communication interface designed to add Ethernet connectivity to SYSMAC CS-series PLC systems. It supports 100BASE-TX Ethernet communication while maintaining backward compatibility with 10BASE-T networks. This module enables reliable high-speed data exchange between PLCs and supervisory or industrial network systems. Technical Specifications Condition New/Never Used Surplus Brand Omron Category PLC Accessories Part Number CS1W-ETN21 Subcategory Ethernet Communication Modules Product Type PLC Ethernet Expansion Module Applicable PLC Series SYSMAC CS-Series Network Type Ethernet Ethernet Standard 100BASE-TX / 10BASE-T Baud Rate 100 Mbit/s Transmission Distance Up to 100 m Network Topology Star Media Access Method CSMA/CD Modulation Method Baseband Mounting Location CPU rack or expansion rack Maximum Units per System 4 Current Consumption 380 mA max. at 5 VDC Weight 0.38 lbs (0.17 kg) Information About CS1W-ETN21 The CS1W-ETN21 is part of Omron’s CS1 series expansion modules, developed to enhance network communication capabilities within modular PLC architectures. It installs directly into the CPU rack or an expansion rack and integrates seamlessly with CS-series PLCs. The module uses standard Ethernet communication based on CSMA/CD media access and baseband modulation, allowing straightforward integration into star-topology networks. Designed for industrial environments, it provides stable data transmission over distances up to 100 meters between nodes and hubs. Key Features: Ethernet Communication Module: Adds Ethernet networking capability to CS-series PLC systems. 100BASE-TX Support: Enables high-speed communication with compatibility for 10BASE-T networks. CS-Series Integration: Designed specifically for Omron SYSMAC CS-series PLC platforms. Rack-Mount Expansion Design: Installs directly into CPU or expansion racks without additional adapters. Industrial Network Topology: Supports star-form Ethernet network configurations. Efficient Power Consumption: Operates with a maximum current draw of 380 mA at 5 VDC. Standard Ethernet Protocols: Uses CSMA/CD access method for reliable data transmission. The CS1W-ETN21 delivers the reliability and precision required for Ethernet-based communication in industrial PLC control systems.
Brand: Omron · Category: PLCs & Industrial Controllers
Key features
- Ethernet Communication Module: Adds Ethernet networking capability to CS-series PLC systems.
- 100BASE-TX Support: Enables high-speed communication with compatibility for 10BASE-T networks.
- CS-Series Integration: Designed specifically for Omron SYSMAC CS-series PLC platforms.
- Rack-Mount Expansion Design: Installs directly into CPU or expansion racks without additional adapters.
- Industrial Network Topology: Supports star-form Ethernet network configurations.
- Efficient Power Consumption: Operates with a maximum current draw of 380 mA at 5 VDC.
- Standard Ethernet Protocols: Uses CSMA/CD access method for reliable data transmission.
Specifications
| Manufacturer part number | CS1W-ETN21 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Omron |
| Category | PLC Accessories |
| Part Number | CS1W-ETN21 |
| Subcategory | Ethernet Communication Modules |
| Product Type | PLC Ethernet Expansion Module |
| Applicable PLC Series | SYSMAC CS-Series |
| Network Type | Ethernet |
| Ethernet Standard | 100BASE-TX / 10BASE-T |
| Baud Rate | 100 Mbit/s |
| Transmission Distance | Up to 100 m |
| Network Topology | Star |
| Media Access Method | CSMA/CD |
| Modulation Method | Baseband |
| Mounting Location | CPU rack or expansion rack |
| Maximum Units per System | 4 |
| Current Consumption | 380 mA max. at 5 VDC |
| Weight | 0.38 lbs (0.17 kg) |
| Product type | Ethernet Communication Modules |
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