Справочник Пользователя для Mitsubishi Electronics C6/C64
APPENDIX 9 EMC INSTALLATION GUIDELINES
Appendix 9.6 Parts for EMC Countermeasures
I - 119
Appendix 9.6.4 Selection of stabilized power supply
Consider the following characteristics when selecting the stabilized power supply (prepared by user).
Use a power supply that complies with CE Marking or that follows the Safety Standards given below.
Use a power supply that complies with CE Marking or that follows the Safety Standards given below.
Stabilized power supply selection items
Item
Conditions
Voltage fluctuation
±5%
±5% or less of 24VDC output
Ripple noise
Max. 120mV
±5% or less of 24VDC output
Output
Spike noise
Max. 500mV
Output current
–
Refer to the Connection Manual and
calculate.
calculate.
Output holding time
Min. 20ms
Instantaneous OFF time
Standards
Safety Standards
: UL1950, CSA C22.2 No. 234 approved, IEC950 compliant
Noise Terminal Voltage
: FCC Class A, VCCI-1 Class
High Harmonics Current Restrictions : IEC1000-3-2