protech PS3100 Series, User Manual, Page: 31 / 115

Chapter 2 Hardware Configuration
Page: 2-14
PS3100 SERIES USER
’
S MANUAL
2-9. CASH DRAWER CONNECTOR
DRW1, DRW2 : Cash Drawer Connector
The pin assignment is as follows :
PIN ASSIGNMENT
1 GND
2 Drawer
Open
3 Drawer Sense
4 +12V
5 NC
6 GND
Prox-3100 cash drawer control in GPIO port
To Open Drawer 1 (GPIO 12)
Write "48Dh " to I/O Port "10"h
To Close Drawer
Write "48Dh " to I/O Port "00"h
Detect Drawer1 Status (GPIO 14)
Read I/O “48D”h
Definition (BIT6)
To Open Drawer 2 (GPIO25)
Write "48Fh " to I/O Port "20"h
To Close Drawer
Write "48D " to I/O Port "00"h
Detect Drawer2 Status (GPIO15)
Read I/O “48D”h
Definition (BIT7)