Siemens PSU300B Manual page 75

LEDs and a potential-free signaling contact indicate the associated charge state of the
battery (see Section Figure 2-5 Operating display and signaling (example 6EP1456-
3BA00 / 6EP1437-3BA20) (Page 12)):
Green LED (12 V OK, 24 V OK) lights
Signaling contact 13-14 closed
Yellow LED (overload) lights
Signaling contact 13-14 open
Figure 9-9
The SITOP PSU300B power supply is a built-in device. It must be installed in a housing or
control cabinet, to which only qualified personnel have access.
If SITOP is used as the battery charging device, the VDE 0510 regulations or the
appropriate national regulations must be observed and an adequate ventilation of the
battery location ensured.
SITOP PSU300M/300B
Manual, 11.2014, C98130-A7574-A2-2-7629
Battery charging with SITOP PSU300B
WARNING
9.7 Battery charging with SITOP PSU300B
Battery voltage > approx. 10 V or > approx. 20 V
Battery voltage < approx. 10 V or < approx. 20 V
Applications
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