Table 2-3 Reaction Of The Ps 307; 5A Power Supply Module To Atypical Operating Conditions - Siemens SIMATIC S7-300 Manual

Power supply modules
2.3 PS 307; 5 A power supply module; (6ES7307-1EAx0-0AA0)
Block diagram of PS 307; 5 A
Figure 2-3
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 ...
the output circuit is overloaded:
I > 6.5 A (dynamic)
•
5 A < I ≤ 6.5 A (static)
•
short-circuit at the output
overvoltage on primary side
undervoltage on primary side
2-10
Block diagram of the PS 307; 5A
... then ...
Voltage dip, automatic voltage recovery
Voltage drop, reduction of service life
Output voltage 0 V; automatic voltage recovery after short-
circuit is eliminated
risk of destruction
Automatic shut-down; automatic voltage recovery
24 VDC
LED
flashes
off
-
off
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04