DB Drive Speed Series Amplifier SPA SPA150.4 Manual de instrucciones Pagina 132

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Appendix 6. Compliance to EU EC Directives
A6 - 3
(3) Power supply
[1] Use the power supply and servo/spindle drive unit under an Overvoltage Category II as
stipulated in IEC60664.
[2] In case of Overvoltage Category III, connect the PE terminal of the units to the earthed-neutral
of the star-connection power supply system.
[3] Do not omit the circuit breaker and electromagnetic contactor.
(4) Earthing
[1] To prevent electric shocks, always connect the servo/spindle drive unit protective earth (PE)
terminal (terminal with
mark) to the protective earth (PE) on the control panel.
[2] When connecting the earthing wire to the protective earth (PE) terminal, do not tighten the
wire terminals together. Always connect one wire to one terminal.
PE terminal
PE terminal
[3] Select the earthing wire size in accordance with Table 1 of EN60204-1.
(5) Wiring
[1] Always use crimp terminals with insulation tubes so that the connected wire does not contact
the neighboring terminals.
Crimp terminal
Insulation tube
Wire
[2] Do not connect the wires directly.
[3] Select the size of the wires for input power supply to Power Supply unit in accordance with
Table 4 and 5 of EN60204-1.
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