Rockwell Automation 842D-60131331BXA DeviceNet Encoder User Manual - Manual (Page 40)

6-6 Using DeviceNet Explicit Messaging
Figure 6.3 Message Configuration
The details where communication is addressed are also required.
'DNB' is the name of the DeviceNet module (1756-DNB) at a port
from the (1756-L1) controller, '2', to communicate with encoder at
'MACID' where MACID is a variable SINT with the destination slave
DeviceNet node address. The decimal value of the node address may
be used if a variable is not desired.
Figure 6.4 Message Configuration - Communication Tab: