Mitsubishi HD-5000A Instruction Manual download pdf (Page 85)

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3. SIGNALS AND WIRING

3.10 Grounding

WARNING

Ground the servo amplifier and servo motor securely.

To prevent an electric shock, always connect the protective earth (PE) terminal of

the servo amplifier with the protective earth (PE) of the control box.

The servo amplifier switches the power transistor on-off to supply power to the servo motor. Depending on

the wiring and ground cable routing, the servo amplifier may be affected by the switching noise (due to

di/dt and dv/dt) of the transistor. To prevent such a fault, refer to the following diagram and always

ground.

To conform to the EMC Directive, refer to the EMC Installation Guidelines (IB (NA) 67310).

Control box

Servo amplifier

CN1A

CN1B

Line filter

NFB

Protective earth(PE)

CN2

Outer

box

Servo motor

Ensure to connect it to PE

terminal of the servo amplifier.

Do not connect it directly to

the protective earth of

the control panel.

Encoder

Programmable

controller

(Note)

Power

supply

Note. For 1-phase 230VAC, connect the power supply to L1 L2 and leave L3 open.

There is no L

3 for 1-phase 100 to 120VAC power supply. Refer to section 1.2 for the power supply specification.

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Mitsubishi HD-5000A Instruction Manual Page 85

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