Rockwell Automation 1734-485ASC POINT I/O ASCII User Manual - Manual (Page 15)

Publication 1734-UM009B-EN-P - July 2003
Installing the ASCII Module 1-5
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 in on the module lock on the top of the module and pull
up on the I/O module to remove from the base.
4. Remove the module to the right of the base you are removing.
(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. This
releases the locking mechanism.
6. Then lift the mounting base 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.