Siemens SIMATIC S7-300 Module data - Page 72

Power Supply Modules
2-4
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the PS 305; 2 A (6ES7305-1BA80-0AA0)
Dimensions and Weight
Dimensions W H D
(in millimeters)
80 125 120
Weight Approx. 740 g
Input Rating
Input voltage
• Rated value
• Voltage range
24/48/72/96/110 VDC
16.8 to 138 VDC
Rated input current
• At 24 V
• At 48 V
• At 72 V
• At 96 V
• At 110 V
2.7 A
1.3 A
0.9 A
0.65 A
0.6 A
Inrush current (at 25 C) 20 A
I
2
t (at inrush current) 5 A
2
s
Output Rating
Output voltage
• Rated value
• Permitted range
24 VDC
24 V " 3 %, stable at
no load
• Ramp-up time max. 3 s
Output current
• Rated value 2 A;
1)
Can be connected in
parallel
Short-circuit protection Electronic, nonlatching,
from 1.65 to 1.95 x I
N
Residual ripple max. 150 mV
ss
Other Parameters
Protection class according to
IEC 536 (DIN VDE 0106, Part
1)
I, with protective
grounding conductor
Insulation
• Isolation voltage rating
(24 V to input)
150 VAC
• Tested with 2800 VDC
Reliable isolation SELV circuit
Buffering of supply failures (at
24/48/72/96/110 V)
> 10 ms
• Repeat rate min. 1 s
Efficiency 75%
Power input 64 W
Power loss 16 W
Diagnostics
LED for output voltage available Yes, green LED
1)
With limited input voltage range > 24 V (24 to 138 VDC)
the PS 305 can be loaded with 3 A.