Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual - Manual (Page 17)

Publication 1747-RM623D-EN-P - June 2006
Install and Connect the ControlNet Scanner 1-5
3. Insert the module into the slot you have selected, noting that we
recommend that you insert the 1747-SCNR scanner as close to
the chassis power supply as possible.
4. Apply firm and even pressure to seat the module in the I/O
chassis backplane connectors.
5. Restore power to the SLC chassis.
Connect to a ControlNet
Network Connect the 1747-SCNR scanner to a ControlNet network via a tap
with a 1 m (39.4 in.) drop cable. Four taps are available from
Rockwell Automation, Inc., as shown in the figure.
After terminating your segments, connect your node to the network.
Straight T-tap Straight Y-tap
1786-TPS 1786-TPYR 1786-TPR 1786-TPYS
Right-angle Y-tap Right-angle-Tap
20094
IMPORTANT
Allen-Bradley ControlNet taps contain passive
electronics and must be purchased from Rockwell
Automation for the network to function properly.
WARNING
If you connect or disconnect the ControlNet cable
with power applied to this module or any device
on the network, an electrical arc can occur. This
could cause an explosion in hazardous location
installations. Be sure that power is removed or the
area is nonhazardous before proceeding.