Rockwell Automation 1747-SDN SLC 500 DeviceNet Scanner Module User Manual - Manual (Page 122)

Publication 1747-UM655B-EN-P - June 2007
122 Configuring the M0/M1 Files by Using RSLogix 500 Software
3. Click Read I/O Config to upload the I/O configuration from the
processor.
4. Double-click the 1747-SDN module.
The Advanced I/O Configuration dialog opens.
5. Set the MO Length and the M1 Length to 361 (or greater) as
shown above.
6. Click OK.
7. Download the changes to the processor.
IMPORTANT
The SLC 500 processor must be placed in Run mode at least one
time after downloading the M0/M1configuration to enable
1747-SDN pass-through transactions.