Power supply modules
2.3 PS 307; 5 A power supply module; (6ES7307-1EAx0-0AA0)
S7-300 Automation System Module data
2-10 Manual, 08/2006, A5E00105505-04
Block diagram of PS 307; 5 A
1
/
'&9
/
8
0
Figure 2-3 Block diagram of the PS 307; 5A
Line protection
To protect the mains supply line of the PS 307; 5 A power supply module, you should install
a miniature circuit-breaker (for example Siemens 5SN1 series) of the following rating:
● Rated current at 230 VAC: 10 A
● Tripping characteristics (type): C.
Reaction to atypical operating conditions
Table 2-3 Reaction of the PS 307; 5A power supply module to atypical operating conditions
If ... ... then ... 24 VDC
LED
the output circuit is overloaded:
• I > 6.5 A (dynamic)
• 5 A < I ≤ 6.5 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
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