Rockwell Automation 1797-TB3S FLEX Ex Terminal Base - Manual (Page 11)

FLEX Ex Terminal Base Units 11
Publication 1797-5.1 - June 2010
4. Position the terminal base over the 35 x 7.5 mm DIN rail A 
(A-B pt. no. 199-DR1).
ATTENTION
Do not force the terminal base into the adjacent modules.
Forcing the units together can bend or break the hook and allow
the units to separate and break communication over the
backplane.
A
A
41106 Position terminal base at a slight angle and hook
over the top of the DIN rail (A).
41107
Slide the terminal base tight against the adapter (or preceding terminal base). Make sure the
hook on the terminal base slides under the edge of the adapter (or proceeding terminal base)
and the flexbus connector is fully retracted.