
Barcode Scanner VB14A
INSTALLATION
Subject to reasonable modifications due to technical advances.
Copyright Fuchs, Printed in Germany
Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
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Figure 6.8
RS232 main interface connections using hardware handshaking
The RTS232 and CTS232 signals control data transmission and synchronize the
connected devices.
Figure 6.9
RS232 control signals
Connector
25-Pin
Name
Function
2
TX232
transmit data
3
RX232
receive data
4
RTS232
request to send
5
CTS232
clear to send
7
GND/SGND
signal ground
USER
INTERFACE
Chassis
TX232
RX232
RTS232
CTS232
SGND
RXD
TXD
DCD
DTR
SGND
2
3
4
5
7
VB14A 25-pin
1
DATA
TRANSMISSION
DATA
TRANSMISSION
TRANSMISSION
STOPPED
ENABLED
ENABLED
DISABLED
IDLE
IDLE
+V
RTS
-V
+V
TX DATA
-V
+V
RTS
-V
C1 C2
C3 C4 C5