Connecting An External Regeneration Resistor - Omron R88M-K User Manual

Ac servomotors/servo drives g5-series with built-in ethercat communications
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4 System Design
4-4-4

Connecting an External Regeneration Resistor

R88D-KNA5L-ECT/-KN01L-ECT/-KN02L-ECT/-KN01H-ECT/
R88D-KN02H-ECT/-KN04H-ECT
Normally B2 and B3 are open.
If an External Regeneration Resistor is necessary, connect the External Regeneration Resistor
between B1 and B2 as shown in the diagram below.
Servo Drive
B1
B2
Precautions for Correct Use
Precautions for Correct Use
• Connect the thermal switch output so that the main circuit power supply is shut OFF when the
contacts open.
When using multiple External Regeneration Resistors, connect each thermal switch in series.
The resistor may be damaged by burning, or cause fire if it is used without setting up a power
supply shutoff sequence using the output from the thermal switch.
R88D-KN04L-ECT/-KN08H-ECT/-KN10H-ECT/-KN15H-ECT/-KN20H-
ECT/-KN30H-ECT/-KN50H-ECT/-KN06F-ECT/-KN10F-ECT/-KN15F-
ECT/-KN20F-ECT/-KN30F-ECT/-KN50F-ECT
Normally B2 and B3 are shorted.
If an External Regeneration Resistor is necessary, remove the short-circuit bar between B2 and B3,
and then connect the External Regeneration Resistor between B1 and B2 as shown in the diagram
below.
Servo Drive
B1
B3
B2
Precautions for Correct Use
Precautions for Correct Use
• Connect the thermal switch output so that the main circuit power supply is shut OFF when the
contacts open.
When using multiple External Regeneration Resistors, connect each thermal switch in series.
The resistor may be damaged by burning, or cause fire if it is used without setting up a power
supply shutoff sequence using the output from the thermal switch.
4-60
Thermal switch output
θ >
External Regeneration Resistor
Thermal switch output
θ >
External Regeneration Resistor
Remove the short-circuit bar between B2 and B3.
G5-series AC Servomotors and Servo Drives User's Manual (with Built-in EtherCAT Communications)

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