M800VS/M80V Series Connection and Setup Manual
40 Appendix 5: EMC Installation Guidelines
40.6 EMC Countermeasure Parts
607
IB-1501613-A
40.6.4 Selection of Stabilized Power Supply
Consider the following characteristics when selecting the stabilized power supply (prepared by machine manufacturer).
Use a power supply that complies with CE Marking or that follows the safety standards given below.
<Stabilized power supply selection items>
<Standards>
Item Standard setting Remarks
Output
Voltage fluctuation ±5% ±5% or less of 24 VDC output
Ripple noise 120 mV (max.)
Spike noise 500 mV (max.)
Output current ―― Refer to the maximum current consumption of the unit in use and calculate.
Output holding time 20 ms (min) Instantaneous power failure time (AC side)
Safety standards UL1950, CSA C22.2 No. 234 approved, IEC950 compliant
Noise terminal voltage FCC Class A, VCCI Class A
High harmonics current restrictions IEC61000-3-2
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