Specifications

APPENDIX 3 EMC INSTALLATION GUIDELINES
6. Parts for EMC Measures
134
6.4 Selection of Stabilized Power Supply
Consider the following characteristics when selecting the stabilized power supply.
Use a power supply that complies with CE Marking or that follows the safety standards given below.
Stabilized power supply selection items
Item Symbol Conditions
Voltage fluctuation %
±5max. ±5% or less of 24VDC output
Output
fluctuation
Ripple noise mV 120max.
±5% or less of 24VDC output
Spike noise mV 500max.
Output current A
−−
Refer to the Connection Manual.
Output holding time ms 20min. 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