
Installing the modules
Installation Manual PSSuniversal
21262-EN-07
30
[2]
[1]
[3]
5.2
Base modules
5.2.1
Installing base modules
Prerequisite:
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The head module must be installed.
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If the head module does not have an integrated power supply, a supply voltage module
must be installed to the right of the head module.
Please note:
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For mechanical reasons it is not possible to mix base modules with screw terminals and
base modules with cage clamp terminals.
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All contacts should be protected from contamination.
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The mechanics of the base modules are designed for 50 plug in/out cycles.
Procedure:
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We recommend that you wire up the base modules before inserting the electronic mod-
ules.
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Slot the groove on the base module on to the mounting rail from below [1].