Applications
9.7 Battery charging with SITOP PSU300B
SITOP PSU300M/300B
Manual, 11.2014, C98130-A7574-A2-2-7629
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
Battery voltage > approx. 10 V or > approx. 20 V
Yellow LED (overload) lights
Signaling contact 13-14 open
Battery voltage < approx. 10 V or < approx. 20 V
Figure 9-9
Battery charging with SITOP PSU300B
WARNING
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.