Sharp CP-SR421 Manual de usuario Pagina 52

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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
L11/L21
Refer to section 11.3 to 11.5 for details.
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