Excell GW - RS232 Interface Wiring; RS485 Interface Wiring

EXCELL PRECISION CO., LTD
02005159 ZSME300000350
50
RS232 wiring instruction
To connect RS232, please open the housing, RS232’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
QW/GW
2
Transmit Data
SG
3
Receive Data
RxD
5
Signal Ground
TxD
Printer
PIN
Function
Male 25 PINS
Function
QW/GW
2
Receive Data
SG
3
Transmit Data
RxD
7
Signal Ground
TxD
RS485 wiring instruction
To connect RS485, please make J17, J18 short and J15, J16 open on main board.
PC
PIN
Function
Female 9 PINS
Function
QW/GW
2
Transmit Data
SG
3
Receive Data
DA
5
Signal Ground
DB
Printer
PIN
Function
Male 25 PINS
Function
QW/GW
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.