INSTALLATION
3-24
Hardware and Installation User Manual
Complete the following steps to insert the modules into the base.
1.
Disable all user-supplied power before inserting modules.
2.
Holding the module by the bezel, position the printed circuit board in
the upper and lower card guides.
3.
Insert the module and push until it is plugged into the backplane
connector. The bezel should be tight against the base.
4.
The bezel screws provide the ground. Use a flat-blade screwdriver to
tighten the screws at the top and the bottom of the bezel. Do not
over-tighten. The maximum torque that can be applied to the screw is 3
Kg
–cm (2.60 in–lb).
For instructions on wiring I/O modules and
calculating I/O power requirements, check the
appropriate manual for each I/O module.
Complete the following steps to remove the modules into the base.
1.
Disable line and user-supplied power.
2.
Loosen the screws at the top and bottom of the bezel.
Prior to removing I/O modules, you may remove the
wiring terminal block without disturbing field
wiring. Use a Phillips-head screwdriver to remove
the screws at the top and bottom of the terminal
block and pull the terminal block off the bezel.
3.
Grasp the bezel screws and carefully remove the module. You may find
it easier to loosen the module first by gently pulling the module up and
down within the slot by the bezel screws.
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