RW973 User Manual
21
5.3 Cash Drawer interface signal
Electrical characteristics
Driving voltage
：
DC 24 V
Driving current
：
maximum 0.8 A ( In 510 ms)
Drawer check signal
：
“L” = 0
～
0.5 V “H” = 3
～
5 V
Interface signal definition
Pin No.
Signal
Function
1
FG
Frame Ground
2
DRAWER 1
Drawer kick-out drive signal
1
3
DRSW
Drawer open/close signal
4
VDR
Drawer driving source
5
DRAWER 2
Drawer kick-out drive signal
2
6
GND
GND
Note
：
Strictly prohibit to hot plug the plug
When arranging the line of communication, you have to avoid paralleling with the
strong current
You have to use the shielded communication line
