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HPSB7012E
3
7. Buffer power supply unit HPSB 13,8V/3x5V÷7,4V/3x2A/65Ah.
- HPS 3xDCDC20 (3x5V÷7,4V/3x2A) + 65Ah
8. Buffer power supply unit HPSB 13,8V/3x5V÷7,4V/6x1A/65Ah.
- HPS 3xDCDC20 (3x5V÷7,4V/3x2A)+3xLB2 6x1A (AWZ585 or AWZ586) + 65Ah
1.2 Block diagram (fig.1)
Fig.1. The block diagram of the PSU.
1.3 Description of PSU components and connectors ( tab.1, tab.2, fig.2).
Element no.
[Fig. 2]
Description
[1]
PSU module
[2]
connectors (see: tab.2)
[3]
green LED
indicates AC power
[4]
potentiometer,
output voltage adjustment
[5]
BAT+/GND: battery outputs
+ BAT=red, - GND=black
[6]
TAMPER,
contact of sabotage protection
(NC)
[7]
Additional connector for LED indication
[8]
Selection jumper for charging current:
Ibat =1A
Ibat =2A
Legend:
jumper installed,
jumper removed.
Factory settings: Ibat =1A (jumper installed).
Tab.1. The components of the PSU.
Element no.
[Fig. 2]
Description
L, N
L-N
power supply connector
Protection connector (electric shock protection)
V+
V-
DC supply output
DC supply output (GND)
Tab.2. Output terminals of the PSU.
