Appendix 8-5 Overload Protection Characteristics - Mitsubishi Electric MELDAS MDS-R Series Specifications And Instruction Manual

Appendix 8 Old motor specifications

Appendix 8-5 Overload protection characteristics

The servo drive unit has an electronic thermal relay to protect the servomotor and servo drive unit from
overloads. The operation characteristics of the electronic thermal relay are shown below when standard
parameters (SV021=60, SV022=150) are set. If overload operation over the electronic thermal relay
protection curve shown below is carried out, overload 1 (alarm 50) will occur. If the maximum torque is
commanded continuously for one second or more due to a machine collision, etc., overload 2 (alarm 51)
will occur.
A8 - 17
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