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Installation and Startup
2.6
Installing a Module Assembly in the Module Rack
Installation Sequence
To install a module or module assembly in a module rack, proceed in the following
sequence:
1. Disconnect the power supply module from the mains supply.
2. Remove the blanking covers from the slots into which you wish to plug modules
(module assemblies). To do this, grasp the blanking cover at the marked
positions and pull it off towards the front.
3. Remove the cover from the module if this has not already been done.
4. Hang the module (see Figure 2-9) or the module assembly (see Figure 2-10)
onto the rack and swing it downwards without applying pressure from above (1).
5. Screw the module or all modules in a module assembly to the rack at the top
and bottom with a torque of 0.8 - 1.1 Nm (see Figure 2-11).
6. Replace the module cover(s) if necessary.
7. Insert the key in the mode switch on the FM 456-2 after all modules have been
fitted.
The individual steps for mounting the modules are illustrated in the following
pages.
Removal of the modules is described in Section 3.
Fitting the Module Onto the Rack
Fit the module or module assembly onto the rack (1) and swing it downwards
without applying pressure from above (2).
Figures 2-9 and 2-10 show how to fit a module or module assembly onto a module
rack and swing it into place.
2-14
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
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