Communication Module Omron CS1W-ETN21 Ethernet Communication
Brand New: Guaranteed quality and compatibility with various communication protocols.
One-Year Warranty: Secure your investment with peace of mind for up to one year.
Modbus RTU/TCP Support: Connects seamlessly with a wide range of industrial systems.
High-Quality Construction: Durable and reliable for long-term use.
Fast Delivery: Expect your order within 1-3 days.

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* The more the quantity the cheaper the price
* After-sale technical service support
Main products: plc module.inverter.motor.HMI (touch panel ) .sensor.other attachments.etc.
Feature: Dual-certified to CE (LVD/EMC) .UL5085 standards with complete technical file and EC Declaration of Conformity.
Advantage: Meets EU carbon footprint requirements and North American industrial safety norms no customs detention risk.
Benefit: Help you smoothly enter European and North American markets avoiding project delays due to certification issues.
Feature: High-grade insulation material (H-class) + precision winding process temperature rise ≤80K.
Advantage: 40% longer service life than industry average, supports 24/7 continuous operation in -25℃~85℃ environments.
Benefit: Reduce unplanned downtime by 50% and cut annual maintenance costs by $10,000+ for medium-sized factories.
1. Q: Do you provide technical files for CE/UL certification?
A: Yes! We offer complete technical files (including test reports, EC Declaration of Conformity) to ensure smooth customs
clearance and project acceptance.
2. Q: Can the product be customized for specific voltage and power?
A: Sure! Customization is available with MOQ 10 units no extra cost for standard voltage/power adjustments.
3. Q: What is the lead time for a 100-unit order?
A: 2-3 days, with urgent production option for project deadlines.



| Parameter | Value |
|---|---|
| Product Type | Ethernet Communication Unit |
| Product Model | CS1W-ETN21 |
| Manufacturer | Omron |
| Compatible PLC Series | SYSMAC CS Series |
| Supported Protocols | FINS/TCP, FINS/UDP, TCP/IP, FTP |
| Transmission Media | 100BASE-TX / 10BASE-T |
| Max Network Nodes | 254 Stations |
| FINS Message Response | 4 Times Faster Than Previous Modules |
| Physical Interface | RJ45 |
| Mounting Type | DIN Rail Mount |

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