A - 9
(5) Grounding
(a) To prevent an electric shock, always connect the protective earth (PE) terminals (terminal marked ) of
the servo amplifier to the protective earth (PE) of the control box. Connect PE terminal of the control box
to the NEUTRAL of a power supply. Be sure to ground the NEUTRAL of a power supply.
(b) Do not connect two ground cables to the same protective earth (PE) terminal. Always connect the
cables to the terminals one-to-one.
PE terminals
PE terminals
(c) If a leakage current breaker is used to prevent an electric shock, the protective earth (PE) terminals of
the servo amplifier must be connected to the corresponding earth terminals.
(6) Wiring
(a) The cables to be connected to the terminal block of the servo amplifier must have crimping terminals
provided with insulating tubes to prevent contact with adjacent terminals.
Crimping terminal
Insulating tube
Cable
(b) Use the servo motor side power connector which complies with the EN Standard. The EN Standard-
compliant power connector sets are available from us as options. (Refer to section 13.1.2)
(7) Auxiliary equipment and options
(a) The circuit breaker and magnetic contactor used should be the EN or IEC standard-compliant products
of the models described in section 13.2.2.
(b) The sizes of the cables described in section 13.2.1 meet the following requirements. To meet the other
requirements, follow Table 5 and Appendix C in EN60204-1.
Ambient temperature: 40 (104) [ ( )]
Sheath: PVC (polyvinyl chloride)
Installed on wall surface or open table tray
(c) Use the EMC filter for noise reduction.
(8) Performing EMC tests
When EMC tests are run on a machine/device into which the servo amplifier has been installed, it must
conform to the electromagnetic compatibility (immunity/emission) standards after it has satisfied the
operating environment/electrical equipment specifications.
For the other EMC directive guidelines on the servo amplifier, refer to the EMC Installation Guidelines
(IB(NA)67310).
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