| General information |
| Product type designation |
PS 25W 24VDC |
| HW functional status |
from FS01 |
| Firmware version |
from V1.0.0 |
| Engineering with |
| ● STEP 7 TIA Portal configurable/integrated from version |
V12 / V12 |
| ● STEP 7 configurable/integrated from version |
V5.5 SP3 or higher |
| Supply voltage |
| Rated value (DC) |
24 V |
| permissible range, lower limit (DC) |
19.2 V; Static 19.2 V, dynamic 18.5 V |
| permissible range, upper limit (DC) |
28.8 V; Static 28.8 V, dynamic 30.2 V |
| Reverse polarity protection |
Yes |
| Short-circuit protection |
Yes |
| Mains buffering |
| ● Mains/voltage failure stored energy time |
20 ms |
| Input current |
| Rated value at 24 V DC |
1.3 A |
| Output current |
| Short-circuit protection |
Yes |
| Power |
| Infeed power to the backplane bus |
25 W |
| Power loss |
| Power loss at nominal rating conditions |
6.2 W |
| Interrupts/diagnostics/status information |
| Status indicator |
Yes |
| Potential separation |
| primary/secondary |
Yes |
| Isolation |
| Isolation tested with |
707 V DC (type test) |
| EMC |
| Interference immunity against voltage surge |
| ● Interference immunity on supply lines acc. to IEC 61000-4-5 |
Yes; ±1 kV (acc. to IEC 61000-4-5; 1995; surge symm.), ±2 kV (acc. to IEC 61000-4-5; 1995; surge asymm.), no external protective circuit required |
| Degree and class of protection |
| Equipment protection class |
III, with protective conductor |
| Ambient conditions |
| Ambient temperature during operation |
| ● min. |
-25 °C; up to FS03: 0 °C |
| ● max. |
60 °C |
| ● horizontal installation, min. |
-25 °C; up to FS03: 0 °C |
| ● horizontal installation, max. |
60 °C |
| ● vertical installation, min. |
-25 °C; up to FS03: 0 °C |
| ● vertical installation, max. |
40 °C |
| Ambient temperature during storage/transportation |
| ● min. |
-40 °C |
| ● max. |
70 °C |
| Altitude during operation relating to sea level |
| ● Installation altitude above sea level, max. |
5 000 m; Restrictions for installation altitudes > 2 000 m, see manual |
| Dimensions |
| Width |
35 mm |
| Height |
147 mm |
| Depth |
129 mm |
| Weights |
| Weight, approx. |
350 g |