Sharp CP-SR421 Instrukcja Użytkownika Pobierz pdf (Strona 52)

3. SIGNALS AND WIRING

3 - 11

3.3 Explanation of power supply system

3.3.1 Signal explanations

POINT

For the layout of connector and terminal block, refer to chapter 9 DIMENSIONS.

Abbreviation

Connection target

(Application)

Description

Supply the following power to L1, L2, and L3. For 1-phase 200 V AC to 240 V

AC, connect the power supply to L1 and L3. Leave L2 open.

Servo amplifier

Power supply

MR-J4-10B to

MR-J4-70B

MR-J4-100B to

MR-J4-700B

3-phase 200 V AC to 240 V AC,

50/60 Hz

L1/L2/L3

1-phase 200 V AC to 240 V AC,

50/60 Hz

L1/L3

L1/L2/L3

Main circuit power

supply

P3/P4

Power factor

improving DC reactor

When not using the power factor improving DC reactor, connect P3 and P4.

(factory-wired)

When using the power factor improving DC reactor, disconnect P3 and P4,

and connect the power factor improving DC reactor to P3 and P4.

Refer to section 11.1 for details.

P+/C/D Regenerative option

1) MR-J4-350B or less

When using servo amplifier built-in regenerative resistor, connect P+ and

D. (factory-wired)

When using a regenerative option, disconnect P+ and D, and connect the

regenerative option to P+ and C.

2) MR-J4-350B to MR-J4-700B

MR-J4-350B to MR-J4-700B do not have D.

When using a servo amplifier built-in regenerative resistor, connect P+ and

C. (factory-wired)

When using a regenerative option, disconnect wires of P+ and C for the

built-in regenerative resistor. And then connect wires of the regenerative

option to P+ and C.

Refer to section 11.2 to 11.5 for details.

Supply the following power to L11 and L21.

Servo amplifier

Power supply

MR-J4-10B to

MR-J4-700B

1-phase 200 V AC to 240 V AC L11/L12

L11/L12

Control circuit power

supply

U/V/W

Servo motor power

supply

Connect to the servo motor power supply terminals (U, V, and W). During

power-on, do not open or close the servo motor power supply. Otherwise, it

may cause a malfunction.

N-

Return converter

Brake unit

When using a power regenerative converter or brake unit, connect it to P+

and N-.

Do not connect it to the servo amplifier MR-J4-350B or less.

Refer to section 11.3 to 11.5 for details.

Protective earth (PE)

Connect it to the grounding terminal of the servo motor and to the protective

earth (PE) of the cabinet for grounding.

L11/L21

Refer to section 11.3 to 11.5 for details.

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