CJ1W-ETN2101

Overview of Omron CJ1W-ETN2101

The Omron CJ1W-ETN2101 is an Ethernet communication unit designed for CJ series PLCs. It supports 100Base-TX Ethernet communication, with compatibility for standard 10Base-T networks, enabling flexible and high-speed data transfer between PLCs and other network devices in industrial automation systems.

Key Features of Omron - CJ1W-ETN2101

• Model Number: CJ1W-ETN2101
• Communication Standards: 100Base-TX (compatible with 10Base-T)
• Applicable PLCs: CJ-series PLC units
• Mounting Location: Installed in CPU Rack or Expansion Rack
• Number of Units Mountable: Up to 4 units in combination with Expansion Racks
• Media Access Method: CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
• Modulation Method: Baseband
• Transmission Path: Star form topology
• Baud Rate: 100 Mbps (100Base-TX), 10 Mbps (10Base-TX)
• Transmission Media: Compatible with unshielded twisted-pair (UTP) and shielded twisted-pair (STP) cables, categories 3, 4, 5, 5e (100 Ω impedance)
• Maximum Transmission Distance: 100 meters between hub and node
• Current Consumption: Max 370 mA at 5 V DC
• Weight: Approx. 100 g
• Dimensions: 31 mm (W) × 90 mm (H) × 65 mm (D)

Applications / Use Case

The Omron CJ1W-ETN2101 Ethernet unit is suitable for industrial automation networks requiring high-speed, reliable communication between CJ-series PLCs and other Ethernet-enabled devices. It facilitates integration into Ethernet/IP networks, enhancing system scalability and monitoring capabilities.