Rockwell Automation 1500 DeviceNet MV Controllers Installation Instructions - Manual (Page 17)

Chapter
5
1500-IN057C-EN-P – June 2013
Typical DeviceNet Scanner Examples
The following examples illustrate typical DeviceNet networks, including
both the MV controller line-up and DeviceNet Scanner(s). The
appropriate location for terminating resistors is shown for reference.
DeviceNet
Scanner
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
121Ohms
DeviceNet
Scanner
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
LV
LV
MV
MV
121Ohms
 You must attach a terminating resistor of 121 ohms, 1%, 1/4W or larger, to each end of the trunk line.
You must connect these resistors directly across the blue and white wires of the DeviceNet cable.
Figure 5.1 – DeviceNet Scanner Remote from MV Controller Line-up; one DeviceNet Network

