4-1
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
4
This chapter explains the installation conditions, wiring methods (including wiring
conforming to EMC Directives), and regenerative energy calculation methods for the
Servo Drive and Servomotor. It also explains the performance of External
Regeneration Resistors.
4-1 Installation Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-1-1 Servo Drive Installation Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-1-2 Servomotor Installation Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4-1-3 Decelerator Installation Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4-2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4-2-1 Power Cables for 1,500-r/min Servomotors . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4-2-2 Peripheral Equipment Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4-2-3 Main Circuit and Motor Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
4-3 Wiring Conforming to EMC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
4-3-1 Wiring Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35
4-3-2 Selecting Connection Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
4-4 Regenerative Energy Absorption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56
4-4-1 Calculating the Regenerative Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56
4-4-2 Servo Drive Regeneration Absorption Capacity . . . . . . . . . . . . . . . . . . . . . . . 4-58
4-4-3 Regenerative Energy Absorption
with an External Regeneration Resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59
4-4-4 Connecting an External Regeneration Resistor . . . . . . . . . . . . . . . . . . . . . . . 4-60
4-5 Using DC Power Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63
4-5-1 Connection Example for Using DC power Input . . . . . . . . . . . . . . . . . . . . . . . 4-64
System Design
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