Allen-Bradley 1756-DNB Brand Introduction Allen-Bradley 1756-DNB is ControlLogix series DeviceNet bridge scanner module developed by Rockwell Automation for industrial fieldbus network connection. It specializes in data exchange between ControlLogix PLC and DeviceNet slave devices, configured by RSNetWorx for DeviceNet software. Communication Module is the core unit of Allen-Bradley 1756-DNB. Communication Module adopts single slot structure for ControlLogix chassis installation. Communication Module supports maximum 64 network nodes connection. Communication Module realizes real-time I/O scanning and network device status monitoring. Allen-Bradley 1756-DNB provides stable Bus for workshop fieldbus control. Bus supports 125Kbps, 250Kbps, 500Kbps adjustable baud rate. Bus works with 11~25V DC DeviceNet network power supply. Bus has built-in LED indicators and diagnostic display for fault checking. Allen-Bradley 1756-DNB features reliable Transmission for controller and field device interaction. Transmission supports DeviceNet protocol and DeviceNet safety function. Transmission is compatible with ControlLogix backplane bus. Transmission supports tag mapping and real-time data exchange between PLC and field sensors, drives. Allen-Bradley 1756-DNB is widely used in automobile production lines, material handling equipment and legacy ControlLogix system upgrade. With mature Rockwell ControlLogix bus technology, this scanner module works within temperature range 0~60℃ and has strong anti-vibration and anti-interference performance. It provides full lifecycle technical support including wiring, commissioning and after-sales maintenance, serving global users as a trusted DeviceNet bridge scanner module solution.