Rockwell Automation 1797-Series ControlNet Ex Media Plannng Installation Manual - Manual (Page 71)

Publication CNET-IN003A-EN-P - January 2006
Install a ControlNet Ex Media System 3-29
3. Ensure the locking tabs snap into place.
4. Remove the insulator boot from the terminals.
5. Connect the trunk cable as shown in the illustration.
a. Connect the ControlNet trunk cable to the Channel A output
connector (1).
b. Connect the redundant ControlNet trunk cable to the Channel
B output connector (2).
c. Connect the ControlNet trunk cable to the Channel A input
connector (3).
d. Connect the redundant ControlNet trunk cable to the Channel
B input connector (4).
6. Install a direct ground wire with a minimum diameter of 4 mm 2
between terminal 5 and the PA Ground (Equipotential System)
in the hazardous area where the ControlNet Ex coax cable is
installed.
IMPORTANT
Connect the ControlNet Ex side of the barrier
module to either a 1797-ACNR15 FLEX Ex I/O
module or a 1797-TCAP FLEX Ex Safe Tap Dummy
Load using only ControlNet Ex Taps (such as
1797-TPR, 1797-TPYR, 1797-TPS, or 1797-TPYS).
IMPORTANT
Do not connect terminal 5 or the DIN rail to a
standard earth ground connection in the safe area.
In
Out
Out
Channel A
Channel B In
3
1
2
4
30502-mdin
5
ControlNet Trunk Cables