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Electrical installation
3ADW000379R0501 DCS550 Manual e e
Co-axial cables
Recommendations for use with DCS550:
− 75 © type,
− RG59 cable with diameter 7 mm or RG11 cable 11 mm and
− a maximum cable length of 300 m.
Relay cables
Cable types with braided metallic screens (e.g. ÖLFLEX, LAPPKABEL, Germany) has been tested and
approved by ABB.
DCS Control Panel cable
The cable connecting the DCS Control Panel to the DCS550 converter module must not exceed 3 meters
(10 ft.). The cable type tested and approved by ABB is included in the DCS Control Panel option kits.
Fieldbus cables
Fieldbus cables can be quite different, depending on the fieldbus type. Please refer to control / signal cables
and co-axial cables.
Connection example in accordance with EMC
The example shows the principle structure of a DC drive and its connections. It is not a binding
recommendation, and it cannot respect all conditions of a plant. Therefore, consider each drive separately and
with respect to the special application. Additionally take the general installation and safety rules into account:
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