Product:Allen Bradley 1756-DNB ControlLogix DeviceNet Scanner Module 1756-DNB

The 1756-DNB scanner module supports several sizes of input, output, and status structures over the ControlLogix backplane. These I/O structures were created to reduce the complexity of connecting DeviceNet I/O and status data with ladder programs. The module creates all three structures whether DeviceNet devices are configured or online. RSLogix 5000 software directs the controller to connect to these predefined default I/O structures. The controller automatically performs periodic updates of the structures on a cyclic basis. RSNetWorx for DeviceNet software configures scanlist map segments that are used to copy specific portions of I/O data between the I/O structures and DeviceNet network packets.

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Rockwell Allen-Bradley:

SLC500: 1747/1746 series

MicroLogix: 1761/1763/1762/1766/1764 series

CompactLogix: 1769/1768 series

Logix5000: 1756/1789/1794/1760/1788 series

PLC-5: 1771/1785 series

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