Rockwell Automation 1734-485ASC POINT I/O RS-232 and RS-485 ASCII Modules Installation Instructions - Manual (Page 8)

8 POINT I/O RS-232 and RS-485 ASCII Modules
Publication 1734-IN588B-EN-P - July 2003
Removing a Mounting Base
To remove a mounting base, you must remove any installed module,
and remove the removable terminal block (if wired).
1. Unlatch the RTB handle on the I/O module.
2. Pull on the RTB handle to remove the removable terminal
block.
3. Press on the module lock on the top of the module.
4. Pull on the I/O module to remove from the base.
5. Use a small bladed screwdriver to rotate the orange base
locking screw to a vertical position. This releases the locking
mechanism.
6. Then lift straight up to remove.
!
WARNING
When you connect or disconnect the Removable
Terminal Block (RTB) with field side power applied, 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.
!
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
that power is removed or the area is nonhazardous
before proceeding.