Product data sheet
General Information
Product Type Mark PS 25W 24VDC
Hardware Functional Status FS01 or higher
Firmware version from V1.0.0 onwards
With program package
● STEP 7 TIA port, configurable/integrated, since version V12 / V12
● STEP 7 configurable/integrated, version V5.5 SP3 or higher for self-protection.
Supply voltage
Nominal 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
Power and voltage disconnect jumper
● Blackout/power failure jumper time 20 ms
Input current
Rated at DC 24 V 1.3 A
Output current
Short-circuit protection yes
Power
Feed power on the backplane bus 25 W
Power loss
Power loss at rated conditions 6.2 W
Alarm/diagnostic/status messages
Status Display Yes
Potential isolation
Primary/Secondary Yes
Insulation
Insulation test with 707 V DC (test type)
EMV
Resistance to nickel-hydration (surge) against impulse voltages
Power conductor dryness according to IEC 61000-4-5 Yes; ±1 kV (according to IEC 61000-4-5; 1995; symmetrical surges), ±2 kV (according to IEC 61000-4-5; 1995; asymmetrical surges)
61000-4-5; 1995; asymmetric surge), no external protection circuitry required
Protection classes and categories
Equipment protection class III with safety lead attached
Environmental Requirements
Ambient temperature during operation
● Minimum -25 °C
● Maximum 60 °C
Operating altitude at the reference sea level
Maximum installation altitude 5,000 m; limited for installation altitudes >2,000 m, see manuals
Size
Width 35 mm
Height 147 mm
Depth 129 mm
Weight, approx. 350 g