Beckhoff PS1011-2420-0000, Documentation

Page: 14 / 32

Technical data, mounting, wiring
PS1011-2420-0000 14 Version: 1.0
3.5 Hold-up time
The hold-up time is the time during which the output voltage of a power supply remains within the
specification after a loss of input power. The hold-up time depends on the output load.
At no load the hold-up time can be up to several seconds. During this time, the green DC OK lamp also lights
up.
AC 100V AC 120V AC 230V
Hold-up time typ. 54ms 54ms 54ms At 24V, 10A, see Fig. Hold-up time over
input voltage
Min. 44ms 44ms 44ms At 24V, 10A, see Fig. Hold-up time over
input voltage
typ. 27ms 27ms 27ms At 24V, 20A, see Fig. Hold-up time over
input voltage
Min. 22ms 22ms 22ms At 24V, 20A, see Fig. Hold-up time over
input voltage
Fig. 6: Hold-up time over input voltage; switch-off behavior, definitions