Rockwell-automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual de usuario descargar pdf (Pagina 15)

Publication 1769-UM009E-EN-P - August 2009 15

Overview Chapter 1

1769-SDN Scanner Module

Data Tables

The scanner module uses input and output data images to transfer data, status,

and command information between the scanner module and the MicroLogix

controller to manage the flow of data between your controller and network

devices.

Input Data Image - MicroLogix 1500

The input data image is transferred from the scanner module to the controller

across the Compact I/O bus.

See

Chapter 6

for definitions of the Status structure.

Output Data Image - MicroLogix 1500

The output data image is transferred from the controller to the scanner

module across the Compact I/O bus.

Word Description Data Type

0…65 Status structure 66-word array

66…245 DeviceNet slave inputs 180-word array

Word Description Data Type

0 and 1 Module command array 2-word array

2…181 DeviceNet slave outputs 180-word array

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 155 156

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Rockwell-automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual de usuario Pagina 15