Rockwell Automation 1747-ACNR15 ControlNet Adapter Module User Manual - Manual (Page 66)

Publication 1747-UM003A-EN-P
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Configuring a Module Connection
Next, you need to configure a module connection for the 1746-BAS module.
If the previous window is still open, click Apply, then OK to accept the rack
connection.
Right click on the 1746-BAS module in the Scanlist Configuration window and
select Insert Connection. A Connection Properties window again appears. Choose
Exclusive Owner-Advanced for the Connection Name.
In this case, you must choose M-file addresses for this type of connection. The
series B Basic module communicates via 8 I/O words and 64 M1 and 64 M0
file words. These Basic module M-file words are independent of the M-file
words used to transfer up to 72 words to and from the Basic module. Those 72
M0 and 72 M1 file words reside in the 1747-SCNR and are used to store the
data sent to the 1747-ACN15 from the SLC-5/04 processor and to store the
data received from the 1747-ACN15 for the SLC-5/04 processor.
The M0 file words in the 1747-SCNR, which are assigned in the Connection
Properties screen, are M0:3.3 through M0:3.74. These are the 72 words sent
from the SLC-5/04 processor to the 1747-SCNR. Words M1:3.3 through
M1:3.74 are the 72 words received from the 1747-ACN15. M-file words
M1:3.0 through M1:3.2 and M0:3.0 through M0:3.2 are reserved (refer to the
1747-SCNR User Manual for details). The next available Status Address is
M1:3.600/02, since bits 0 and 1 are used for the rack connection. The
Connection Properties window for the module connection should look like the
following.