Allen Bradley 1756-EN2TR EtherNet/IP Module

Electrical Specifications

Optical Interface: No
Supporting Protocol for TCP/IP: Yes
Supporting Protocol for DeviceNet: No
Redundancy: Yes
IO Link Master: No
Power Dissipation: 5.1 W
Thermal Dissipation: 17.4 BTU/h
Enclosure Type Rating: None (open-style)
Ethernet Ports: 2 Ethernet RJ45 Category 5
CIP Unconnected Messages: 128 + 128 (backplane + Ethernet)
Current Draw:
- 1 A @ 5.1V DC
- 3 mA @ 24V DC
Ethernet Cable: 802.3 compliant shielded or unshielded twisted pair
Communication Rate: 10/100 Mbps
Maximum Connections Supported:
- TCP: 128
- CIP: 256 (CIP connections can be used for explicit or implicit applications)
Isolation Voltage: 30V (continuous), Basic Insulation Type
Wiring Category:
- 2 (Ethernet ports)
- 3 (USB ports)

Surrounding Air Temperature (Max): 60 °C
Storage Temperature: -40 °C <Ta <85 °C (-40 °F <Ta <185 °F)
Emissions: CISPR 11: Class A
Vibration: 2 G @ 10…500 Hz
ESD Immunity: 6 kV contact discharges, 8 kV air discharges
Relative Humidity: 5…95% noncondensing
Shock:
- Operating: 30 G
- Nonoperating: 30 G
Conducted RF Immunity: 10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz
Surge Transient Immunity: ±2 kV line-earth (CM) on Ethernet ports
Operating Temperature: 0 °C <Ta <60 °C (32 °F <Ta <140 °F)
Radiated RF Immunity:
- 10V/m with 1 kHz sine-wave 80% AM from 80…2000 MHz
- 10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz
- 10V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz
- 3V/m with 1 kHz sine-wave 80% AM from 2000…6000 MHz