Publication 1769-UM009B-EN-P - May 2002
7-6 Using the 1769-SDN Scanner Module with MicroLogix Controllers
1769-SDN Scanner Module Configuration
To configure a specific module, simply double-click on the module.
To configure the scanner in this example, double-click on the
module in slot 1.
Input Words
This is the number of input words the controller assigns to the
module. The first 66 words (0 to 65) are required by the scanner for
status. DeviceNet slave input data words start at slot word 66. You can
have a maximum of 180 input words for DeviceNet slave devices
(maximum slot amount for 1769-SDN scanner module inputs = 246).
See Configuring the I/O Devices section on page 4-10 and Chapter 5,
DeviceNet I/O Image, for more information related to mapping
DeviceNet Slave devices into the 1769-SDN’s scanlist.
Output Words
This is the number of output words the controller assigns to the
module. The first 2 words (0 and 1) are required by the scanner for
status. DeviceNet slave output data words start at slot word 2. You can
have a maximum of 180 output words for DeviceNet slave devices
(maximum slot amount for scanner outputs = 182).
See Configuring the I/O Devices section on page 4-10 and Chapter 5,
DeviceNet I/O Image, for more information related to mapping
DeviceNet Slave devices.
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