Sam4s ER-430 SERIES - Power Block Diagram

9 Block Diagram
SAM4S ER-430 SERIES 9-3
9-3 Power Block Diagram
This system is operated under 120Vac or 230Vac. All data is saved by the Battery when the Main power is
turned off. The power circuit supplies the five different DC voltage sources and one AC voltage source.
Figure 9-1 Power Block Diagram
No. Voltage Description
1 VDISP (+30VDC) VFD Grid/Anode Driving Voltage
2 +24 (+24VDC) Cash Drawer Solenoid Driving / Fiscal Writing Voltage
3 VCC (+5VDC) Logic IC Driving / VFD Filament Voltage
4 VBT (+Min 3.6VDC) Battery Voltage (Use for RTC, SRAM)
Table 9-1 Power Source Voltage Descriptions
POWER
TRANS
Power
Rectification
C
ir
cu
it
#
1
VDISP(+30V)
+24V
[For Drawer / Fiscal Volt.]
[Power Fail Source]
[Printer ]
[For VFD Display]
Voltage
Regulation
C
ir
cu
i
t
#
2
Voltage
Regulation
C
ir
cu
it
#
1
VCC(+5V)
[For Logic, VFD]
Battery Volt.
Stora
g
e Circuit
VBT(Min +3.6V)
[For Battery Voltage]