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Fig. 224: Terminal Bases, Fastening with screws
Fig. 225: Function Module Terminal Bases, Fastening with screws
Practical Tip
The following procedure allows you to use the mounted modules as a template for drilling holes
in the panel. Due to module mounting hole tolerance, it is important to follow these procedures:
1.
2.
3.
4.
5.
6.
7.
2019/04/17
By wall mounting, the Terminal Base is earthed through the screws. It is neces-
sary that
–
the screws have a conductive surface (e.g. steel zinc-plated or brass nickel-
plated)
–
the mounting plate is earthed
–
the screws have a good electrical contact to the mounting plate
On a clean work surface, mount no more than 3 modules (e.g. one Terminal Base and two
Terminal Units).
Using the mounted modules as a template, carefully mark the center of all module-
mounting holes on the panel.
Return the mounted modules to the clean work surface, including any previously mounted
modules.
Drill and tap the mounting holes for the screws (M4 or #8 recommended).
Place the modules back on the panel and check for proper hole alignment.
Attach the modules to the panel using the mounting screws.
If mounting more modules, mount only the last one of this group and put
the others aside. This reduces remounting time during drilling and tapping
of the next group.
Repeat the steps for all remaining modules.
3ADR010121, 13, en_US
System Assembly, Construction and Connection
AC500 (Standard) > Mounting and Demounting
1263
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