SIMATIC S7-1500, System power supply PS 25W 24 V DC, supplies the backplane bus of the S7-1500 with operating voltage

General information Product type designation PS 60 W 24/48/60 V DC HW functional status FS03 Firmware version 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 Installation type/mounting Rail mounting Yes Supply voltage Rated value (DC) 24 V / 48 V / 60 V permissible range, lower limit (DC) 19.2 V; Static 19.2 V, dynamic 18.5 V permissible range, upper limit (DC) 72 V; Static 72 V, dynamic 75.5 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 3 A Rated value at 48 V DC 1.5 A Rated value at 60 V DC 1.2 A Output current Short-circuit protection Yes Power Infeed power to the backplane bus 60 W Power loss Power loss at nominal rating conditions 12 W Interrupts/diagnostics/status information Status indicator Yes Potential separation primary/secondary Yes; Electrical isolation for 230 V AC (reinforced isolation) Isolation Isolation tested with 2 500 V DC/2 s (routine 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