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8. LOADING AND INSTALLATION
8.6 Installation and Removal of the Dustproof Cover
When A1S52B(S1), A1S55B(S1), A1S58B(S1) is used, it is necessary to install the
dustproof cover, which is supplied with base to the I/O module to be installed to the left end
in order to prevent intrusion of foreign material into the I/O module. Intrusion of foreign
matter into the I/O module may cause breakdowns. Procedures for installing and removing
the dustproof cover are described below.
(1) Installation
To insert the dustproof cover to the I/O module, insert the cover to the connector or
terminal side first as shown in the figure, then push the cover to the I/O module side.
DANGER
When setting up the system, do not allow any empty slot on the base unit.
If any slot is left empty, be sure to use a blank cover (A1SG60) or a dummy module
(A1SG62) for it.
When using the extension base unit, A1S52B(S1), A1S55B(S1), A1S58B(S1), attach
the included dustproof cover to the module in slot 0.
Otherwise, internal parts of the module may be flied in the short circuit test or when an
overcurrent or overvoltage is accidentally applied to the external I/O section.
I/O module
Dust-proof cover
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