E-11
TXD
RTS
SW4
SW5
SW7
SW6
SW8
TXA
TXB
RXA
COM3
RXB
Table (1) DIPSW1
("When using USB" are the DIPSW1 factory settings.)
DIPSW2 (SW4 to SW8) in the above table 2 operate as shown in the circuit
diagram below.
Fig. 1 DIPSW2 (SW4 to SW8) circuit diagram
DIPSW1
No.
Description
ON
OFF
When using
USB
When using
COM4
1
Used by the system
Reserved
Reserved
OFF
OFF
2
Changes T ouch Panel's communciation method COM4
USB
OFF
ON
3
Switches the COM4 T ouch Panel Receive Data
Communication ON or OFF
Available
NOT Available
OFF
ON
4
Switches the COM4 T ouch Panel Send Data
Communication ON or OFF
Available
NOT Available
OFF
ON
5
Switches the External Device's usage of COM4
ON or OFF
Available
NOT Available
OFF
ON
6
Switches the USB Reference Voltage ON or OFF Available
NOT Available
ON
OFF
7
Switches the USB T ouch Panel Possitive (+) Data
Communication ON or OFF
Available
NOT Available
ON
OFF
8
Switches the USB T ouch Panel Negative (-) Data
Communication ON or OFF
Available
NOT Available
ON
OFF
Table (2) DIPSW2
(Factory settings are all OFF.)
* 1 If you use termination resistance, base your setiings on your connection specifica-
tions.
DIPSW2
No.
Description
ON
OFF
RS-232C RS-422 RS-485
1
Changes COM1 (RS-232C)
#9 pin (RI <-> +5V)
+5V 500mA external output
possible
RI
ON/OFF ON/OFF ON/OFF
2
Changes COM3's
communciation method
RS-422/RS-485
RS-232C
OFF
ON
ON
3
Changes COM2 (RS-232C)
#9 pin (RI <-> +5V)
+5V 500mA external output
possible
RI
ON/OFF ON/OFF ON/OFF
4
Changes T X data's output
mode
T X data output is controlled via
the RT S signal
T X data output is
NOT controlled via the RT S
signal. (normally output)
OFF
ON/OFF
ON
5
Switches the T X termination
resistance ON/OFF
Inserts termination resistance of
220
Ω
between T XA and T XB.
No termination
OFF
ON
ON/OFF
*1
6
Switches the RX termination
resistance ON/OFF
Inserts termination resistance of
220
Ω
between RXA and RXB.
No termination
OFF
ON
ON/OFF
*1
7
Switches the shorting of T XA
and RXA ON or OFF
Shorts T XA and RXA
(RS-485 mode)
No shorting
(RS-422 mode)
OFF
OFF
ON
8
Switches the shorting of T XB
and RXB ON or OFF
Shorts T XB and RXB
(RS-485 mode)
No shorting
(RS-422 mode)
OFF
OFF
ON
9
Changes COM3's
communciation method
RS-422/RS-485
RS-232C
OFF
ON
ON
10
Used by the system
Reserved
Reserved
OFF
OFF
OFF
