1756-EN3TR

Product Overview

1756-EN3TR is an Allen-Bradley Ethernet/IP bridge communication module designed for reliable industrial network connectivity.

Communication

• Protocol: Ethernet/IP

• Ethernet ports: 2 RJ45, Category 5

• Communication rate: 10/100 Mbps

• Max connections: TCP 128, CIP 256 (flexible mix of explicit/implicit connections)

• CIP unconnected messages: 128 backplane + 128 Ethernet

Power & Thermal

• Power dissipation: 5.1 W

• Thermal dissipation: 17.4 BTU/hr

• Current draw: 1 A @ 5.1 V DC, 3 mA @ 24 V DC

Electrical & Isolation

• Isolation voltage: 30 V continuous, basic insulation between Ethernet, USB, and backplane

• Ethernet cable: 802.3 compliant shielded or unshielded twisted pair

• Wiring category: 2 (Ethernet ports), 3 (USB ports)

Environmental

• Operating temperature: 0 to 60 °C (32 to 140 °F)

• Storage temperature: -40 to 85 °C (-40 to 185 °F)

• Relative humidity: 5% to 95% non-condensing

• Shock: 30 G operating and nonoperating

• Vibration: 2 G, 10–500 Hz

• ESD immunity: 6 kV contact, 8 kV air discharge

• EFT/B immunity: ±3 kV @ 5 kHz (Ethernet ports)

• Surge transient immunity: ±2 kV line-earth (common mode) on Ethernet ports

• Conducted RF immunity: 10 V rms, 150 kHz–80 MHz

Physical

• Enclosure: None (open-style)

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