Salter Brecknell WB-521 Series - Manual (Page 13)

SBI521 Service Manual 11
1.5 Sockets and Jumpers
Figure 1.6 shows main board connectors for the loadcell, printer or computer, power
supply and battery..
Figure 1.6 SBI-521 Main Circuit Board
1.5.1 Definition of Sockets and Jumpers
Table 1.8 ADP - Adapter Power Input Connector
Table 1.9 Battery Power Input Connector
Pin # Definition In/Out/Power Electrical Level
1 Adapter input voltage + Power input 12Vdc(10.5-15Vdc,
≥
0.5A)
2 Adapter input voltage - (GND) Power ground 0Vdc
3 Shell Earth
Pin # Definition In/Out/Power Electrical Level
1 Battery input voltage + Power input 5.6-7.2Vdc (6V/4.0AH lead acid battery)
2 Battery input voltage - (GND) Power ground 0Vdc