Allen-Bradley 1734-OB2, User Manual, Page: 29 / 221

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
Install POINT I/O Modules 13
2.
Rotate the terminal block into the mounting base until it locks itself in
place.
3.
If an I/O module is installed, snap the RTB handle into place on the
module.
Remove a Mounting Base To remove a mounting base, you must remove any installed module, and remove
the removable terminal block (RTB), if wired.
1.
Unlatch the RTB handle on the I/O module.
2.
Pull on the RTB handle to remove the RTB.
3.
Press in on the module lock on the top of the module, and pull up on the
I/O module to remove it from the base.
4.
Remove the module to the right of the base you are removing, noting that
the interlocking portion of the base sits under the adjacent module.
5.
Use a small-bladed screwdriver to rotate the orange DIN-rail locking screw
on the mounting base to a vertical position, noting that this releases the
locking mechanism.
6.
Lift the mounting base straight up to remove.
WARNING: When you insert or remove the module while backplane
power is on, an electrical arc can occur. This could cause an explosion in
hazardous location installations. Be sure to remove power or that the
area is nonhazardous before proceeding.
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