Rockwell Automation 1738-ADNX ArmorPoint I/O DeviceNet Adapters User Manual
Page 95
Publication 1738-UM001A-EN-P - February 2005
Quick Start For the 1738-ADNX B-21
2. Select the pulldown listbox next to the Memory label in the
middle of the window to display the three memory buffer
choices.
3. Select each of the choices and view the mapping. You will see
that only the COS/cyclic buffer is being used (There are 2 bytes
reserved for status in each buffer. These words are not for a
specific module.)
4. Set the Memory selection back to COS/cyclic.
Note that for the 1738-ADNX, each line in the mapping area
represents a byte of data. When you view the 1756-DNB, each
line will be 4 bytes of data (double word).
Now you are ready to take a look at the output side. Based on
the numbers you saw on the main network you expect to see 3
bytes (two of them are going to be reserved status words).
The primary
network knew
you were
consuming 3
bytes of data.
Earlier view of the parameters.