Appendix 9.4.2 Countermeasures For Door - Mitsubishi Electric MELDAS C6 Maintenance Manual

Appendix 9.4.2 Countermeasures for door

(1) Use metal for all members configuring the door.
(2) When joining the door, use a gasket to lower the impedance of the contacting sections, or use a
structure with a large contact area as shown below.
a) Use of gasket
Door
EMI gasket
(3) The EMI gasket or conductive packing must contact the metal surface uniformly and at the correct
position.
[CAUTION]
• When not using a gasket, ground the control panel grounding with a grounding wire to
lower the door's impedance.
• Using screws to fix the plates that have been painted (attachment of packing) is the same
as an insulated state. Peel off the paint and fix the screws.
APPENDIX 9 EMC INSTALLATION GUIDELINES
Appendix 9.4 Panel Structure
Control
panel
I - 108
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b) Large contact area
Control panel
Door
Contact area
Cross-section drawing