1756-DNB

Overview

The 1756-DNB is a ControlLogix DeviceNet scanner module for high-speed communication with up to 64 nodes over the DeviceNet network.

Installation

• Module location: Any slot in ControlLogix chassis

• Enclosure type rating: None (open-style)

Communication

• DeviceNet communication rate (max):
  • 125 Kbps – 500 m (1640 ft.)
  • 250 Kbps – 250 m (820 ft.)
  • 500 Kbps – 100 m (328 ft.)

• DeviceNet current: 11–25 VDC (60 mA max)

• DeviceNet connector torque: 0.56–0.79 Nm (5–7 in-lb)

Electrical Characteristics

• Backplane current (5.1 VDC): 850 mA

• Backplane current (24 VDC): 3 mA

• Power dissipation (max): 5.8 W

• Thermal dissipation (max): 19.8 BTU/hr

Isolation

• Isolation voltage: 30 V continuous (basic insulation)

• Withstand test: 500 V AC for 60 s (DeviceNet to system)

• USB isolation: No isolation between USB and system

USB Interface

• USB version: USB 1.1

• USB port: Series B receptacle (device)

Environmental

• North American temp code: T4A

• IEC temp code: T4

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