1756-CNB ControlLogix Communication Module Technical Specifications

Electrical Specifications:

• Optical Interface: No
• TCP/IP Support: No
• DeviceNet Support: No
• Other Bus Systems: Yes
• Redundancy: No
• IO Link Master: No
• EtherNet/IP Support: No
• Transmission Rate: 5000 kBps
• Power Dissipation: 5.1 W
• Thermal Dissipation: 17.4 BTU/h
• ControlNet Port: 1 ControlNet BNC
• Enclosure Type Rating: None (open-style)
• Max. Number of Nodes: 99
• Current Draw: 970 mA @ 5.1V DC, 1.7 mA @ 24V DC
• ControlNet Cable: 1786-RG6
• Wiring Category: 1 (ControlNet), 3 (NAP ports)
• Max. Connections Supported: 64
• Isolation Voltage: 30V (continuous)
• Radio Standards: None
• Slot Width: 1
• Logix Comm. Connections: 40...48
• NAP Cable: 1786-CP
• NAP Port: 1 NAP RJ45

Environmental Specifications:

• Max. Surrounding Air Temp: 60 °C
• Storage Temperature: -40 to 85 °C
• Emissions: CISPR 11: Class A
• Vibration: 2 G @ 10...500 Hz
• ESD Immunity: 6 kV contact, 8 kV air discharges
• EFT/B Immunity: ±3 kV at 5 kHz
• Relative Humidity: 5...95%
• Shock (Operating/Non-operating): 30 G / 50 G
• Conducted RF Immunity: 10V rms, 150 kHz...80 MHz
• Surge Transient Immunity: ±2 kV line-earth
• Operating Temperature: 0 to 60 °C
• Radiated RF Immunity: Various frequencies

Certification:

• North American Temp Code: T4A
• IEC Temp Code: T4

Mechanical Specifications:

• Weight: 0.26 kg
• Module Location: Chassis-based