3
7. Buffer power supply unit HPSB 27,6V/2x24V/16x0,3A/2x17Ah.
- HPS 2 x RN25024(27,6V/24V) + 2xLB8 16x0,3A (AWZ577 or AWZ580) + 2x17 Ah
8. Buffer power supply unit HPSB 27,6V/3x5V÷18V/3x2A÷1,3A/2x17Ah.
- HPS 3xDCDC20 (3x5V÷18V) + 2x17Ah
9. Buffer power supply unit HPSB 27,6V/3x5V÷18V/3x2A÷1,3A/12x0,5A/2x17Ah.
- HPS 3xDCDC20 (3x5V÷18V) + 3xLB4 12x0,5A (AWZ574 or AWZ576) + 2x17Ah
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 =0,5A
Ibat =2A
Legend:
jumper installed,
jumper removed.
Factory settings: Ibat =0,5A (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.
