The Speaker Company me240 Barcode Reader User Manual


 
6
6
Connector
Description
1
USB connector
2
RS-232C connector
3
SD card slot
4
Ethernet RJ-45 connector (Option)
5
USB host connector (Option)
6
Micro processor
7
Head open sensor connector
Pin
Description
Voltage
1
Head open sensor emitter
power pin
1.2~1.4V
2
GND
0V
3
Head open sensor
receiver
0V: Head close
3.3V: Head open
4
GND
0V
8
RFID module connector
9
Recovery connector
10
Ribbon near end sensor connector
Pin
Description
Voltage
1
GND
0V
2
Encoder signal
3.3V
3
Power
3.3V
11
Centronics soft cable connector (Option)
12
Stepping motor connector
13
Centronics power connector (Option)
14
Gap sensor connector
Pin
Description
Voltage
1
Power
5V
2
Gap sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
3
Black mark sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
4
Gap and black mark
sensor receiver
A/D: 0~3.3V
5
GND
0V
15
Ribbon sensor connector