9
2.7 EARTH
It must be ensured that the correct earth is in place between
the davinci III Vending module and the slot reader.
2.6 PIN ASSIGNMENT FOR THE CONNECTORS
2.6.1 PIN assignment for the davinci III Vending module
Article name
Connector type
Application
1
2
3
4
5
6
7
8
Power
Molex
12 V-36 VDC
GND
VCC
Power
RJ45
12 V-20 VAC
AC1
AC1
AC1
AC2
AC2
AC2
Connect to module
Mini-DIN 6-pin
Connection to
the components
+12V
+12V
RxD
TxD
GND
GND
Article name
Connector type
Application
1
2
3
4
5
6
7
8
Connect to module
Mini-DIN 6-pin
Connection to
the components
+12V
+12V
RxD
TxD
GND
GND
2.6.2 PIN assignment for the card readers
(Connectors dependent on the respective card reader):
2.6.3 PIN assignment for the RFID reader
Article name
Connector type
Application
1
2
3
4
5
6
7
8
Power
Screw/plug connection
5 VDC Supply (Aux)
VCC
GND
Comm
RJ45
Ethernet
Tx+
Tx-
Rx+
Rx-
ECR
RJI2
Cash register
interface
U in
Ext
+12V
U in
Ext
+12V
RxD
TxD
GND
GND
USB type 1.1
Standard type A
Standard type B
Host and device
+ 5V
D-
D+
GND
Connect to module
Mini-DIN 6-pin
Connection to
the components
+12V
+12V
RxD
TxD
GND
GND
Figure: Earthing example davinci III Vending