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CJ-series Ethernet Unit


Organically Connect the Production Site and Management

Ethernet Units Specifications

Model numberCJ1W-ETN21
Type100Base-TX (Can be used as 10Base-T)
Applicable PLCsCJ-series PLCs
Unit classificationCJ-series CPU Bus Unit
Mounting locationCPU Rack or Expansion Rack
Number of Units that can be mounted4 max. (including Expansion Racks)
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)370 mA max. at 5 V DC
Weight100 g max.
Dimensions31 × 90 × 65 mm (W × H × D)
Other general specificationsOther specifications conform to the general specifications of the CJ-series.