Mitsubishi Electric M800VS Series Connection And Set Up Manual page 649

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M800VS/M80V Series Connection and Setup Manual

42 Appendix 7: Precautions for Compliance to UL/c-UL Standards

(1) Selection of external 24 VDC power supply unit (unit to be prepared by machine tool builder)

This NC system complies with the UL Standards on the condition that the stabilized power supply unit supplying 24 VDC

to each unit is a UL-approved part of SELV/limited power LPS or Class 2.

Use a UL-approved part for the stabilized power supply unit supplying 24 VDC to each unit.

(2) Unit ambient temperature

This NC system complies with the UL Standards on the condition that the unit is used at a temperature less than the max-

imum ambient temperature given in the "Environment Conditions" section. Make sure that the maximum ambient tem-

perature of each unit does not exceed the temperature given in "Environment Conditions" section.

IB-1501613-A