02027011 ZSME300000342
35
EXCELL PRECISION CO., LTD.
RS-232 Wiring instruction
To connect RS232, please open the housing, RS-
232’s PIN connectors
locate on the bottom-right corner of the main board. The most common
connection method is using 9PIN and 25PIN, as shown below
PC
PIN
Function
Female 9 PINS
Function
QWS/GWS
2
Transmit Data
SG
3
Receive Data
RxD
5
Signal Ground
TxD
Printer
PIN
Function
Male 25 PINS
Function
QWS/GWS
2
Receive Data
SG
3
Transmit Data
RxD
7
Signal Ground
TxD
RS-485 Wiring instruction
To connect RS-485, please make J17, J18 short and J15, J16 open on main board.
PC
PIN
Function
Female 9 PINS
Function
QWS/GWS
2
Transmit Data
SG
3
Receive Data
DA
5
Signal Ground
DB
Printer
PIN
Function
Male 25 PINS
Function
QWS/GWS
2
Receive Data
SG
3
Transmit Data
DA
7
Signal Ground
DB
To use other connection methods, please identify the signal and following the above
principles. After it is finished, please install the housing by the instruction in the
SPECIAL
NOTICE.
Summary of Contents for GWS
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