Power supply modules
2.1 Power Supply Module PS 305; 2 A; (6AG1305-1BA80-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
2-3
Line protection
The mains supply of the PS 305 power supply module (2 A) should be protected with a
miniature circuit-breaker (for example Siemens 5SN1 series) of the following rating:
● Rated current at 110 VDC: 10 A
● Tripping characteristics (type): C.
Reaction to atypical operating conditions
Table 2-1 Reaction of the PS 305;(2 A) power supply module to atypical operating conditions
If ... ... then ... 24 VDC LED
... the output circuit is overloaded:
• I > 3.9 A (dynamic)
• 3 A < I ≤ 3.9 A (static)
Voltage dip, automatic voltage recovery
Voltage drop, reduction of service life
flashes
... short-circuit at the output Output voltage 0 V; automatic voltage recovery
after short-circuit is eliminated
off
overvoltage on primary side risk of destruction -
undervoltage on primary side Automatic shut-down; automatic voltage
recovery
off
Technical data of PS 305; 2 A (6ES7305-1BA80-0AA0)
Technical data
Dimensions and weight
Dimensions W x H x D (mm) 80 x 125 x 120
Weight approx. 740 g
Input parameters
Input voltage
• Rated value
• Voltage range
24/48/72/96/110 VDC
16.8 VDC 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 parameters
Output voltage
• Rated value
• Permissible range
24 VDC
24 V ± 3 %, open circuit-proof
• Rampup time
max. 3 s
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