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Industrial Automation

Industrial Automation

Discontinued On Mar. 2025

CS1W-ETN21

SYSMAC CS-series Ethernet Unit

CS1W-ETN21

Organically Connect the Production Site and Management

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

Ethernet Units Specifications

ItemSpecifications
Model numberCS1W-ETN21
Type100Base-TX (Can be used as 10Base-T)
Applicable PLCsCS-series PLCs
Unit classificationCS-series CPU Bus Unit
Mounting locationCPU Rack or Expansion Rack
Number of Units that can be mounted4 max. (including Expansion Racks)
Transfer
specifications
Media access methodCSMA/CD
Modulation methodBaseband
Transmission pathsStar form
Baud rate100 Mbit/s (100Base-TX)10 Mbit/s (10Base-TX)
Transmission mediaUnshielded twisted-pair (UDP) cable
Categories: 5, 5e
Shielded twisted-pair (STP) cable
Categories: 100 Ω at 5, 5e
Unshielded twisted-pair (UDP) cable
Categories: 3, 4, 5, 5e
Shielded twisted-pair (STP) cable
Categories: 100 Ω at 3, 4, 5, 5e
Transmission distance100 m (distance between hub and node)
Number of cascade connectionsNo restrictions if switching hubs are used.
Current consumption (Unit)380 mA max. at 5 V DC
Weight200 g max.
Dimensions35 × 130 × 101 mm (W × H × D)
Other general specificationsOther specifications conform to the general specifications of the CS-series.